1
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Bell DS, James P, López-García M. Social Distance Approximation on Public Transport Using Stereo Depth Camera and Passenger Pose Estimation. SENSORS (BASEL, SWITZERLAND) 2023; 23:9665. [PMID: 38139510 PMCID: PMC10748158 DOI: 10.3390/s23249665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/23/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023]
Abstract
In order to effectively balance enforced guidance/regulation during a pandemic and limit infection transmission, with the necessity for public transportation services to remain safe and operational, it is imperative to understand and monitor environmental conditions and typical behavioural patterns within such spaces. Social distancing ability on public transport as well as the use of advanced computer vision techniques to accurately measure this are explored in this paper. A low-cost depth-sensing system is deployed on a public bus as a means to approximate social distancing measures and study passenger habits in relation to social distancing. The results indicate that social distancing on this form of public transport is unlikely for an individual beyond a 28% occupancy threshold, with an 89% chance of being within 1-2 m from at least one other passenger and a 57% chance of being within less than one metre from another passenger at any one point in time. Passenger preference for seating is also analysed, which clearly demonstrates that for typical passengers, ease of access and comfort, as well as seats having a view, are preferred over maximising social-distancing measures. With a highly detailed and comprehensive set of acquired data and accurate measurement capability, the employed equipment and processing methodology also prove to be a robust approach for the application.
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Affiliation(s)
- Daniel Steven Bell
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK;
| | - Philip James
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK;
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2
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Yavari A, Korala H, Georgakopoulos D, Kua J, Bagha H. Sazgar IoT: A Device-Centric IoT Framework and Approximation Technique for Efficient and Scalable IoT Data Processing. SENSORS (BASEL, SWITZERLAND) 2023; 23:5211. [PMID: 37299938 PMCID: PMC10255853 DOI: 10.3390/s23115211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/15/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
The Internet of Things (IoT) plays a fundamental role in monitoring applications; however, existing approaches relying on cloud and edge-based IoT data analysis encounter issues such as network delays and high costs, which can adversely impact time-sensitive applications. To address these challenges, this paper proposes an IoT framework called Sazgar IoT. Unlike existing solutions, Sazgar IoT leverages only IoT devices and IoT data analysis approximation techniques to meet the time-bounds of time-sensitive IoT applications. In this framework, the computing resources onboard the IoT devices are utilised to process the data analysis tasks of each time-sensitive IoT application. This eliminates the network delays associated with transferring large volumes of high-velocity IoT data to cloud or edge computers. To ensure that each task meets its application-specific time-bound and accuracy requirements, we employ approximation techniques for the data analysis tasks of time-sensitive IoT applications. These techniques take into account the available computing resources and optimise the processing accordingly. To evaluate the effectiveness of Sazgar IoT, experimental validation has been conducted. The results demonstrate that the framework successfully meets the time-bound and accuracy requirements of the COVID-19 citizen compliance monitoring application by effectively utilising the available IoT devices. The experimental validation further confirms that Sazgar IoT is an efficient and scalable solution for IoT data processing, addressing existing network delay issues for time-sensitive applications and significantly reducing the cost related to cloud and edge computing devices procurement, deployment, and maintenance.
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Affiliation(s)
- Ali Yavari
- 6G Research and Innovation Lab, Swinburne University of Technology, Melbourne, VIC 3122, Australia
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, VIC 3122, Australia; (D.G.); (H.B.)
| | - Harindu Korala
- Institute of Railway Technology, Monash University, Melbourne, VIC 3800, Australia;
| | - Dimitrios Georgakopoulos
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, VIC 3122, Australia; (D.G.); (H.B.)
| | - Jonathan Kua
- School of Information Technology, Deakin University, Geelong, VIC 3220, Australia;
| | - Hamid Bagha
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, VIC 3122, Australia; (D.G.); (H.B.)
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3
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Montero D, Aranjuelo N, Leskovsky P, Loyo E, Nieto M, Aginako N. Multi-camera BEV video-surveillance system for efficient monitoring of social distancing. MULTIMEDIA TOOLS AND APPLICATIONS 2023; 82:1-25. [PMID: 37362701 PMCID: PMC9989588 DOI: 10.1007/s11042-023-14416-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 11/18/2022] [Accepted: 01/21/2023] [Indexed: 06/28/2023]
Abstract
The current sanitary emergency situation caused by COVID-19 has increased the interest in controlling the flow of people in indoor infrastructures, to ensure compliance with the established security measures. Top view camera-based solutions have proven to be an effective and non-invasive approach to accomplish this task. Nevertheless, current solutions suffer from scalability problems: they cover limited range areas to avoid dealing with occlusions and only work with single camera scenarios. To overcome these problems, we present an efficient and scalable people flow monitoring system that relies on three main pillars: an optimized top view human detection neural network based on YOLO-V4, capable of working with data from cameras at different heights; a multi-camera 3D detection projection and fusion procedure, which uses the camera calibration parameters for an accurate real-world positioning; and a tracking algorithm which jointly processes the 3D detections coming from all the cameras, allowing the traceability of individuals across the entire infrastructure. The conducted experiments show that the proposed system generates robust performance indicators and that it is suitable for real-time applications to control sanitary measures in large infrastructures. Furthermore, the proposed projection approach achieves an average positioning error below 0.2 meters, with an improvement of more than 4 times compared to other methods.
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Affiliation(s)
- David Montero
- Computer Vision and Artificial Inteligence, University of the Basque Country, Donostia, 20018 Guipuzcoa Spain
| | - Nerea Aranjuelo
- Computer Vision and Artificial Inteligence, University of the Basque Country, Donostia, 20018 Guipuzcoa Spain
- ITS and Engineering, Vicomtech, Donostia, 20009 Guipuzcoa Spain
| | - Peter Leskovsky
- ITS and Engineering, Vicomtech, Donostia, 20009 Guipuzcoa Spain
| | - Estíbaliz Loyo
- ITS and Engineering, Vicomtech, Donostia, 20009 Guipuzcoa Spain
| | - Marcos Nieto
- ITS and Engineering, Vicomtech, Donostia, 20009 Guipuzcoa Spain
| | - Naiara Aginako
- Computer Vision and Artificial Inteligence, University of the Basque Country, Donostia, 20018 Guipuzcoa Spain
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4
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Murad SS, Yussof S, Badeel R, Hashim W. A Novel Social Distancing Approach for Limiting the Number of Vehicles in Smart Buildings Using LiFi Hybrid-Network. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3438. [PMID: 36834127 PMCID: PMC9962525 DOI: 10.3390/ijerph20043438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
The coronavirus (COVID-19) has arisen as one of the most severe problems due to its ongoing mutations as well as the absence of a suitable cure for this virus. The virus primarily spreads and replicates itself throughout huge groups of individuals through daily touch, which regretfully can happen in several unanticipated way. As a result, the sole viable attempts to constrain the spread of this new virus are to preserve social distance, perform contact tracing, utilize suitable safety gear, and enforce quarantine measures. In order to control the virus's proliferation, scientists and officials are considering using several social distancing models to detect possible diseased individuals as well as extremely risky areas to sustain separation and lockdown procedures. However, models and systems in the existing studies heavily depend on the human factor only and reveal serious privacy vulnerabilities. In addition, no social distancing model/technique was found for monitoring, tracking, and scheduling vehicles for smart buildings as a social distancing approach so far. In this study, a new system design that performs real-time monitoring, tracking, and scheduling of vehicles for smart buildings is proposed for the first time named the social distancing approach for limiting the number of vehicles (SDA-LNV). The proposed model employs LiFi technology as a wireless transmission medium for the first time in the social distance (SD) approach. The proposed work is considered as Vehicle-to-infrastructure (V2I) communication. It might aid authorities in counting the volume of likely affected people. In addition, the proposed system design is expected to help reduce the infection rate inside buildings in areas where traditional social distancing techniques are not used or applicable.
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Affiliation(s)
- Sallar Salam Murad
- Institute of Informatics and Computing in Energy, University Tenaga Nasional, Kajang 43000, Malaysia
| | - Salman Yussof
- Institute of Informatics and Computing in Energy, University Tenaga Nasional, Kajang 43000, Malaysia
| | - Rozin Badeel
- Department of Network, Parallel & Distributed Computing, University Putra Malaysia, Seri Kembangan 43400, Malaysia
| | - Wahidah Hashim
- Institute of Informatics and Computing in Energy, University Tenaga Nasional, Kajang 43000, Malaysia
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5
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Cao J, Mehmood H, Liu X, Tarkoma S, Gilman E, Su X. Fighting Pandemics With Augmented Reality and Smart Sensing-Based Social Distancing. IEEE COMPUTER GRAPHICS AND APPLICATIONS 2023; 43:65-75. [PMID: 37022379 DOI: 10.1109/mcg.2022.3229107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
In a postpandemic world, remaining vigilant and maintaining social distancing are still crucial so societies can contain the virus and the public can avoid disproportionate health impacts. Augmented reality (AR) can visually assist users in understanding the distances in social distancing. However, integrating external sensing and analysis is required for social distancing beyond the users' local environment. We present DistAR, an android-based application for social distancing leveraging AR and smart sensing using on-device analysis of optical images and environment crowdedness from smart campus data. Our prototype is one of the first efforts to combine AR and smart sensing technologies to create a real-time social distancing application.
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6
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Seker M, Männistö A, Iosifidis A, Raitoharju J. Automatic social distance estimation for photographic studies: Performance evaluation, test benchmark, and algorithm. MACHINE LEARNING WITH APPLICATIONS 2022; 10:100427. [PMID: 36406281 PMCID: PMC9643040 DOI: 10.1016/j.mlwa.2022.100427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 10/13/2022] [Accepted: 10/18/2022] [Indexed: 11/10/2022] Open
Abstract
The social distancing regulations introduced to slow down the spread of COVID-19 virus directly affect a basic form of non-verbal communication, and there may be longer term impacts on human behavior and culture that remain to be analyzed in proxemics studies. To obtain quantitative results for such studies, large media and/or personal photo collections must be analyzed. Several social distance monitoring methods have been proposed for safety purposes, but they are not directly applicable to general photo collections with large variations in the imaging setup. In such studies, the interest shifts from safety to analyzing subtle differences in social distances. Currently, there is no suitable benchmark for developing such algorithms. Collecting images with measured ground-truth pair-wise distances using different camera settings is cumbersome. Moreover, performance evaluation for these algorithms is not straightforward, and there is no widely accepted evaluation protocol. In this paper, we provide an image dataset with measured pair-wise social distances under different camera positions and settings. We suggest a performance evaluation protocol and provide a benchmark to easily evaluate such algorithms. We also propose an automatic social distance estimation method that can be applied on general photo collections. Our method is a hybrid method that combines deep learning-based object detection and human pose estimation with projective geometry. The method can be applied on uncalibrated single images with known focal length and sensor size. The results on our benchmark are encouraging with 91% human detection rate and only 38.24% average relative distance estimation error among the detected people.
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Affiliation(s)
- Mert Seker
- Unit of Computing Sciences, Tampere University, Tampere, Finland
| | - Anssi Männistö
- Unit of Communication Sciences, Tampere University, Tampere, Finland
| | - Alexandros Iosifidis
- Department of Electrical and Computer Engineering, Aarhus University, Aarhus, Denmark
| | - Jenni Raitoharju
- Faculty of Information Technology, University of Jyväskylä, Jyväskylä, Finland,Corresponding author
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7
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Junayed MS, Islam MB. Automated Physical Distance Estimation and Crowd Monitoring Through Surveillance Video. SN COMPUTER SCIENCE 2022; 4:67. [PMID: 36467857 PMCID: PMC9702862 DOI: 10.1007/s42979-022-01480-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 10/24/2022] [Indexed: 06/17/2023]
Abstract
The contagious Corona Virus (COVID-19) transmission can be reduced by following and maintaining physical distancing (also known as COVID-19 social distance). The World Health Organisation (WHO) recommends preventing COVID-19 from spreading in public areas. On the other hand, people may not be maintaining the required 2-m physical distance as a mandated safety precaution in shopping malls and public places. The spread of the fatal disease may be slowed by an active monitoring system suitable for identifying distances between people and alerting them. This paper introduced a deep learning-based system for automatically detecting physical distance using video from security cameras. The proposed system introduced the TH-YOLOv5 for object detection and classification and Deepsort for tracking the detected people using bounding boxes from the video. TH-YOLOv5 included another prediction head to identify objects of varying sizes. The original prediction heads are then replaced with Transformer Heads (TH) to investigate the prediction capability of the self-attention mechanism. Then, we include the convolutional block attention model (CBAM) to identify attention areas in settings with dense objects. Pairwise L2 vectorized normalization was utilized to generate a three-dimensional feature space for tracking physical distances and the violation index, determining the number of individuals who follow the distance rules. We use the MS COCO and HumanCrowd, CityPersons, and Oxford Town Centre (OTC) data sets for training and testing. Experimental results demonstrate that the proposed system obtained a weighted mAP score of 89.5% and an FPS score of 29; both are computationally comparable.
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Affiliation(s)
- Masum Shah Junayed
- Department of Computer Engineering, Bahcesehir University, Istanbul, 34349 Turkey
- Department of Computer Science and Engineering, Daffodil International University, Dhaka, 1207 Bangladesh
| | - Md Baharul Islam
- Department of Computer Engineering, Bahcesehir University, Istanbul, 34349 Turkey
- Department of Computer Science and Engineering, Daffodil International University, Dhaka, 1207 Bangladesh
- College of Data Science and Engineering, American University of Malta, Bomla, 1013 Malta
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8
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Elbir AM, Gurbilek G, Soner B, Papazafeiropoulos AK, Kourtessis P, Coleri S. Vehicular networks for combating a worldwide pandemic: Preventing the spread of COVID-19. SMART HEALTH (AMSTERDAM, NETHERLANDS) 2022; 26:100353. [PMID: 36312989 PMCID: PMC9595421 DOI: 10.1016/j.smhl.2022.100353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 08/11/2022] [Accepted: 10/11/2022] [Indexed: 11/05/2022]
Abstract
As a worldwide pandemic, the coronavirus disease-19 (COVID-19) has caused serious restrictions in people’s social life, along with the loss of lives, the collapse of economies and the disruption of humanitarian aids. Despite the advance of technological developments, we, as researchers, have witnessed that several issues need further investigation for a better response to a pandemic outbreak. Therefore, researchers recently started developing ideas to stop or at least reduce the spread of the pandemic. While there have been some prior works on wireless networks for combating a pandemic scenario, vehicular networks and their potential bottlenecks have not yet been fully examined. Furthermore, the vehicular scenarios can be identified as the locations, where the social distancing is mostly violated. With this motivation, this article provides an extensive discussion on vehicular networking for combating a pandemic. We provide the major applications of vehicular networking for combating COVID-19 in public transportation, in-vehicle diagnosis, border patrol and social distance monitoring. Next, we identify the unique characteristics of the collected data in terms of privacy, flexibility and coverage, then highlight corresponding future directions in privacy preservation, resource allocation, data caching and data routing. We believe that this work paves the way for the development of new products and algorithms that can facilitate the social life and help controlling the spread of the pandemic.
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Affiliation(s)
- Ahmet M. Elbir
- Electrical and Electronics Engineering, Duzce University, Duzce, Turkey,University of Luxembourg, Luxembourg,Corresponding author at: Electrical and Electronics Engineering, Duzce University, Duzce, Turkey
| | - Gokhan Gurbilek
- Electrical and Electronics Engineering, Koc University, Istanbul, Turkey,Koc University Ford Otosan Automotive Technologies Laboratory (KUFOTAL), Istanbul, Turkey
| | - Burak Soner
- Electrical and Electronics Engineering, Koc University, Istanbul, Turkey,Koc University Ford Otosan Automotive Technologies Laboratory (KUFOTAL), Istanbul, Turkey
| | | | | | - Sinem Coleri
- Electrical and Electronics Engineering, Koc University, Istanbul, Turkey
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9
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Radu LD, Popescul D. The role of data platforms in COVID-19 crisis: a smart city perspective. ASLIB J INFORM MANAG 2022. [DOI: 10.1108/ajim-01-2022-0032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PurposeThe Covid-19 pandemic has profoundly affected urban communities, generating the need for an immediate response from local governance. The availability of urban data platforms in some smart cities helped the relevant actors to develop various solutions in an innovative and highly contextual way. The purpose of this paper is to explore the role of data platforms in smart cities in the context of the Covid-19 crisis.Design/methodology/approachA total of 85 studies were identified using the Clarivate Analytics Web of Science electronic library. After applying exclusion and inclusion criteria, 61 publications were considered appropriate and reasonable for the research, being read in-depth. Finally, only 52 studies presented relevant information for the topic and were synthesized following the defined research questions. During the research, the authors included in the paper other interesting references found in selected articles and important information regarding the role of data in the fight against Covid-19 in smart cities available on the Internet and social media, with the intention to capture both academic and practical perspectives.FindingsThe authors' main conclusion suggests that based on their previous expertise in collecting, processing and analyzing data from multiple sources, some smart cities quickly adapted their data platforms for an efficient response against Covid-19. The results highlight the importance of open data, data sharing, innovative thinking, the collaboration between public and private stakeholders, and the participation of citizens, especially in these difficult times.Practical implicationsThe city managers and data operators can use the presented case studies and findings to identify relevant data-driven smart solutions in the fight against Covid-19 or another crisis.Social implicationsThe performance of smart cities is a social concern since the population of urban communities is continuously growing. By reviewing the adoption of information technologies-based solutions to improve the quality of citizens' life, the paper emphasizes their potential in societies in which information technology is embedded, especially during a major crisis.Originality/valueThis research re-emphasizes the importance of collecting data in smart cities, the role of the diversity of their sources and the necessity of citizens, companies and government synergetic involvement, especially in a pandemic context. The existence of smart solutions to process and extract information and knowledge from large data sets was essential for many actors involved in smart cities, helping them in the decision-making process. Based on previous expertise, some smart cities quickly adapted their data platforms for an efficient response against Covid-19. The paper analyzes also these success cases that can be considered models to be adopted by other municipalities in similar circumstances.
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10
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Liu X, Kortoçi P, Motlagh NH, Nurmi P, Tarkoma S. A survey of COVID-19 in public transportation: Transmission risk, mitigation and prevention. MULTIMODAL TRANSPORTATION 2022. [PMCID: PMC9174338 DOI: 10.1016/j.multra.2022.100030] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
The COVID-19 pandemic is posing significant challenges to public transport operators by drastically reducing demand while also requiring them to implement measures that minimize risks to the health of the passengers. While the collective scientific understanding of the SARS-CoV-2 virus and COVID-19 pandemic are rapidly increasing, currently there is a lack of understanding of how the COVID-19 relates to public transport operations. This article presents a comprehensive survey of the current research on COVID-19 transmission mechanisms and how they relate to public transport. We critically assess literature through a lens of disaster management and survey the main transmission mechanisms, forecasting, risks, mitigation, and prevention mechanisms. Social distancing and control on passenger density are found to be the most effective mechanisms. Computing and digital technology can support risk control. Based on our survey, we draw guidelines for public transport operators and highlight open research challenges to establish a research roadmap for the path forward.
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11
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Ottakath N, Elharrouss O, Almaadeed N, Al-Maadeed S, Mohamed A, Khattab T, Abualsaud K. ViDMASK dataset for face mask detection with social distance measurement. DISPLAYS 2022; 73:102235. [PMID: 35574253 PMCID: PMC9085388 DOI: 10.1016/j.displa.2022.102235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 04/24/2022] [Accepted: 05/02/2022] [Indexed: 06/15/2023]
Abstract
The COVID-19 outbreak has extenuated the need for a monitoring system that can monitor face mask adherence and social distancing with the use of AI. With the existing video surveillance systems as base, a deep learning model is proposed for mask detection and social distance measurement. State-of-the-art object detection and recognition models such as Mask RCNN, YOLOv4, YOLOv5, and YOLOR were trained for mask detection and evaluated on the existing datasets and on a newly proposed video mask detection dataset the ViDMASK. The obtained results achieved a comparatively high mean average precision of 92.4% for YOLOR. After mask detection, the distance between people's faces is measured for high risk and low risk distance. Furthermore, the new large-scale mask dataset from videos named ViDMASK diversifies the subjects in terms of pose, environment, quality of image, and versatile subject characteristics, producing a challenging dataset. The tested models succeed in detecting the face masks with high performance on the existing dataset, MOXA. However, with the VIDMASK dataset, the performance of most models are less accurate because of the complexity of the dataset and the number of people in each scene. The link to ViDMask dataset and the base codes are available at https://github.com/ViDMask/VidMask-code.git.
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Affiliation(s)
- Najmath Ottakath
- Qatar University, College of Engineering, Department of Computer Science and Engineering, Qatar
| | - Omar Elharrouss
- Qatar University, College of Engineering, Department of Computer Science and Engineering, Qatar
| | - Noor Almaadeed
- Qatar University, College of Engineering, Department of Computer Science and Engineering, Qatar
| | - Somaya Al-Maadeed
- Qatar University, College of Engineering, Department of Computer Science and Engineering, Qatar
| | - Amr Mohamed
- Qatar University, College of Engineering, Department of Computer Science and Engineering, Qatar
| | - Tamer Khattab
- Qatar University, College of Engineering, Department of Electrical Engineering, Qatar
| | - Khalid Abualsaud
- Qatar University, College of Engineering, Department of Computer Science and Engineering, Qatar
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12
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Alrawais A, Alharbi F, Almoteri M, Altamimi B, Alnafisah H, Aljumeiah N. Privacy-Preserving Techniques in Social Distancing Applications: A Comprehensive Survey. JOURNAL OF ADVANCED COMPUTATIONAL INTELLIGENCE AND INTELLIGENT INFORMATICS 2022. [DOI: 10.20965/jaciii.2022.p0325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
During the world’s challenge to confront the rapidly spreading coronavirus disease (COVID-19) pandemic and the consequent heavy losses and disruption to society, returning to normal life has become a demand. Social distancing, also known as physical distancing, plays a pivotal role in this scenario. Social distancing is a practice to maintain a safe space between a person and others who are not from the same household, preventing the spread of contagious viral diseases. To support this case, several public authorities and governments around the world have proposed social distancing applications (also known as contact-tracing apps). However, the adoption of these applications is arguable because of concerns regarding privacy and user data protection. In this study, we present a comprehensive survey of privacy-preserving techniques for social distancing applications. We provide an extensive background on social distancing applications, including measuring the physical distance between people. We also discuss various privacy-preserving techniques that are used by social distancing applications; specifically, we thoroughly analyze and compare these applications, considering multiple features. Finally, we provide insights and recommendations for designing social distancing applications while reducing the burden of privacy problems.
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13
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Vishnu Kumar TV, John A, Vighnesh M, Jagannath M. Social distance monitoring system using deep learning and entry control system for commercial application. MATERIALS TODAY. PROCEEDINGS 2022; 62:4605-4611. [PMID: 35291397 PMCID: PMC8914536 DOI: 10.1016/j.matpr.2022.03.077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
For the last few months, the world has been under an astringent lockdown due to COVID-19. The number of COVID-19 cases is incrementing steadily. Even though scientists have found a vaccine for the obviation of the virus, the threat of being affected is high when we head out. Thus, one of the most efficacious modes of aversion is social distancing and home quarantine. As this was a sudden outbreak, people have not stocked up supplies and most of their personal work has been halted. Therefore, when people start to go outside, with or without a vaccine, it will be arduous to follow social distancing in countries, which are densely populated. With this in mind, this paper proposes a system that can be used in commercial spaces such as shops, banks, malls, offices, restaurants, and other similar places, where the system continuously checks whether customers are adhering to social distancing norms and only allows a certain number of people into the commercial space. This system is made up of two parts: an Entry Control System and a Six feet Apart analysis. This paper's work has been compared to previously completed projects and discussed. People who are concerned about social distancing and overcrowding will benefit greatly from the installation of this gadget in the private and/or public sectors.
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Affiliation(s)
- T V Vishnu Kumar
- School of Electronics Engineering, Vellore Institute of Technology Chennai, Tamil Nadu, India
| | - Andrew John
- School of Electronics Engineering, Vellore Institute of Technology Chennai, Tamil Nadu, India
| | - M Vighnesh
- School of Electronics Engineering, Vellore Institute of Technology Chennai, Tamil Nadu, India
| | - M Jagannath
- School of Electronics Engineering, Vellore Institute of Technology Chennai, Tamil Nadu, India
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14
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Murad SS, Yussof S, Badeel R. Wireless Technologies for Social Distancing in the Time of COVID-19: Literature Review, Open Issues, and Limitations. SENSORS 2022; 22:s22062313. [PMID: 35336484 PMCID: PMC8953680 DOI: 10.3390/s22062313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/29/2022] [Accepted: 02/02/2022] [Indexed: 11/16/2022]
Abstract
This research aims to provide a comprehensive background on social distancing as well as effective technologies that can be used to facilitate the social distancing practice. Scenarios of enabling wireless and emerging technologies are presented, which are especially effective in monitoring and keeping distance amongst people. In addition, detailed taxonomy is proposed summarizing the essential elements such as implementation type, scenarios, and technology being used. This research reviews and analyzes existing social distancing studies that focus on employing different kinds of technologies to fight the Coronavirus disease (COVID-19) pandemic. This study main goal is to identify and discuss the issues, challenges, weaknesses and limitations found in the existing models and/or systems to provide a clear understanding of the area. Articles were systematically collected and filtered based on certain criteria and within ten years span. The findings of this study will support future researchers and developers to solve specific issues and challenges, fill research gaps, and improve social distancing systems to fight pandemics similar to COVID-19.
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Affiliation(s)
- Sallar Salam Murad
- Institute of Informatics and Computing in Energy, University Tenaga Nasional, Kajang 43000, Malaysia;
- Correspondence:
| | - Salman Yussof
- Institute of Informatics and Computing in Energy, University Tenaga Nasional, Kajang 43000, Malaysia;
| | - Rozin Badeel
- Department of Network, Parallel & Distributed Computing, University Putra Malaysia, Seri Kembangan 43400, Malaysia;
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15
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Mhlanga D. The Role of Artificial Intelligence and Machine Learning Amid the COVID-19 Pandemic: What Lessons Are We Learning on 4IR and the Sustainable Development Goals. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:1879. [PMID: 35162901 PMCID: PMC8835201 DOI: 10.3390/ijerph19031879] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 01/31/2022] [Accepted: 02/03/2022] [Indexed: 01/20/2023]
Abstract
The COVID-19 pandemic came with disruptions in every aspect of human existence, with all the sectors of the economies of the world affected greatly. In the health sector, the pandemic halted and reversed progress in health and subsequently shortened life expectancy, especially in developing and underdeveloped nations. On the other hand, machine learning and artificial intelligence contributed a great deal to the handling of the pandemic globally. Therefore, the current study aimed to assess the role played by artificial intelligence and machine learning in addressing the dangers posed by the COVID-19 pandemic, as well as extrapolate the lessons on the fourth industrial revolution and sustainable development goals. Using qualitative content analysis, the results indicated that artificial intelligence and machine learning played an important role in the response to the challenges posed by the COVID-19 pandemic. Artificial intelligence, machine learning, and various digital communication tools through telehealth performed meaningful roles in scaling customer communications, provided a platform for understanding how COVID-19 spreads, and sped up research and treatment of COVID-19, among other notable achievements. The lessons we draw from this is that, despite the disruptions and the rise in the number of unintended consequences of technology in the fourth industrial revolution, the role played by artificial intelligence and machine learning motivates us to conclude that governments must build trust in these technologies, to address health problems going forward, to ensure that the sustainable development goals related to good health and wellbeing are achieved.
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Affiliation(s)
- David Mhlanga
- Faculty of Business and Economics, University of Johannesburg, Johannesburg 2006, South Africa
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16
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Gopal B, Ganesan A. Real time deep learning framework to monitor social distancing using improved single shot detector based on overhead position. EARTH SCIENCE INFORMATICS 2022; 15:585-602. [PMID: 35035588 PMCID: PMC8749912 DOI: 10.1007/s12145-021-00758-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 12/24/2021] [Indexed: 06/14/2023]
Abstract
The current COVID 19 halo infection has caused a severe catastrophe with its deadly spread. Despite the implementation of the vaccine, the severity of the infection has not diminished, and it has become stronger and more destructive. So, the only solution to protect ourselves from infection is social-distancing. Although social-distancing has been in practice for a long time, in most places it is not effectively followed, and it is very difficult to find out manually at all times whether people are following it or not. Therefore, we introduced a newly developed framework of deep-learning technique to automatically identify whether people maintain social-distancing or not using remote sensing top view images. Initially, we are detecting the context of image which includes information about the environment. Our detection model recognizes individuals using the boundary box. Then centroid is determined over every detected boundary box. By means of applying Euclidean distance, the pair range distances of the detected boundary box centroid are determined. To evaluate whether the distance measurement exceeds the minimum social distance limit, the violation threshold is established. We used Improved Single Shot Detector model for detecting a person over an image. Experiments are carried out on widely collected remote sensing images from various environments. Based on the object detection algorithm of deep learning, a variety of performance metrics are compared to evaluate the efficiency of the proposed model. Research outcome shows that, our proposed model outperforms well while recognize and detect a person in a well excellent way.
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Affiliation(s)
- Bharathi Gopal
- Department of Master of Computer Applications, Shanmuga Industries Arts and Science College, Tiruvannamalai, Tamilnadu India
| | - Anandharaj Ganesan
- Department of Computer Science and Applications, Adhiparasakthi College of Arts and Science, Tamilnadu Kalavai, India
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17
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Shah H, Shah S, Tanwar S, Gupta R, Kumar N. Fusion of AI techniques to tackle COVID-19 pandemic: models, incidence rates, and future trends. MULTIMEDIA SYSTEMS 2022; 28:1189-1222. [PMID: 34276140 PMCID: PMC8275905 DOI: 10.1007/s00530-021-00818-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 05/29/2021] [Indexed: 05/05/2023]
Abstract
The COVID-19 pandemic is rapidly spreading across the globe and infected millions of people that take hundreds of thousands of lives. Over the years, the role of Artificial intelligence (AI) has been on the rise as its algorithms are getting more and more accurate and it is thought that its role in strengthening the existing healthcare system will be the most profound. Moreover, the pandemic brought an opportunity to showcase AI and healthcare integration potentials as the current infrastructure worldwide is overwhelmed and crumbling. Due to AI's flexibility and adaptability, it can be used as a tool to tackle COVID-19. Motivated by these facts, in this paper, we surveyed how the AI techniques can handle the COVID-19 pandemic situation and present the merits and demerits of these techniques. This paper presents a comprehensive end-to-end review of all the AI-techniques that can be used to tackle all areas of the pandemic. Further, we systematically discuss the issues of the COVID-19, and based on the literature review, we suggest their potential countermeasures using AI techniques. In the end, we analyze various open research issues and challenges associated with integrating the AI techniques in the COVID-19.
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Affiliation(s)
- Het Shah
- Department of Computer Science and Engineering, Institute of Technology, Nirma University, Ahmedabad, India
| | - Saiyam Shah
- Department of Computer Science and Engineering, Institute of Technology, Nirma University, Ahmedabad, India
| | - Sudeep Tanwar
- Department of Computer Science and Engineering, Institute of Technology, Nirma University, Ahmedabad, India
| | - Rajesh Gupta
- Department of Computer Science and Engineering, Institute of Technology, Nirma University, Ahmedabad, India
| | - Neeraj Kumar
- Department of Computer Science Engineering, Thapar Institute of Engineering and Technology, Deemed to be University, Patiala, India
- School of Computer Science, University of Petroleum and Energy Studies, Dehradun, Uttarakhand India
- King Abdul Aziz University, Jeddah, Saudi Arabia
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18
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Alo UR, Nkwo FO, Nweke HF, Achi II, Okemiri HA. Non-Pharmaceutical Interventions against COVID-19 Pandemic: Review of Contact Tracing and Social Distancing Technologies, Protocols, Apps, Security and Open Research Directions. SENSORS (BASEL, SWITZERLAND) 2021; 22:280. [PMID: 35009822 PMCID: PMC8749862 DOI: 10.3390/s22010280] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 12/17/2022]
Abstract
The COVID-19 Pandemic has punched a devastating blow on the majority of the world's population. Millions of people have been infected while hundreds of thousands have died of the disease throwing many families into mourning and other psychological torments. It has also crippled the economy of many countries of the world leading to job losses, high inflation, and dwindling Gross Domestic Product (GDP). The duo of social distancing and contact tracing are the major technological-based non-pharmaceutical public health intervention strategies adopted for combating the dreaded disease. These technologies have been deployed by different countries around the world to achieve effective and efficient means of maintaining appropriate distance and tracking the transmission pattern of the diseases or identifying those at high risk of infecting others. This paper aims to synthesize the research efforts on contact tracing and social distancing to minimize the spread of COVID-19. The paper critically and comprehensively reviews contact tracing technologies, protocols, and mobile applications (apps) that were recently developed and deployed against the coronavirus disease. Furthermore, the paper discusses social distancing technologies, appropriate methods to maintain distances, regulations, isolation/quarantine, and interaction strategies. In addition, the paper highlights different security/privacy vulnerabilities identified in contact tracing and social distancing technologies and solutions against these vulnerabilities. We also x-rayed the strengths and weaknesses of the various technologies concerning their application in contact tracing and social distancing. Finally, the paper proposed insightful recommendations and open research directions in contact tracing and social distancing that could assist researchers, developers, and governments in implementing new technological methods to combat the menace of COVID-19.
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Affiliation(s)
- Uzoma Rita Alo
- Department of Computer Science and Informatics, Alex Ekwueme Federal University, Ndufu-Alike, Ikwo P.M.B 1010, Abakaliki 480211, Ebonyi State, Nigeria; (F.O.N.); (I.I.A.); (H.A.O.)
| | - Friday Onwe Nkwo
- Department of Computer Science and Informatics, Alex Ekwueme Federal University, Ndufu-Alike, Ikwo P.M.B 1010, Abakaliki 480211, Ebonyi State, Nigeria; (F.O.N.); (I.I.A.); (H.A.O.)
| | - Henry Friday Nweke
- Centre for Research in Machine Learning, Artificial Intelligence and Network Systems, Computer Science Department, Ebonyi State University, P.M.B 053, Abakaliki 480211, Ebonyi State, Nigeria;
| | - Ifeanyi Isaiah Achi
- Department of Computer Science and Informatics, Alex Ekwueme Federal University, Ndufu-Alike, Ikwo P.M.B 1010, Abakaliki 480211, Ebonyi State, Nigeria; (F.O.N.); (I.I.A.); (H.A.O.)
| | - Henry Anayo Okemiri
- Department of Computer Science and Informatics, Alex Ekwueme Federal University, Ndufu-Alike, Ikwo P.M.B 1010, Abakaliki 480211, Ebonyi State, Nigeria; (F.O.N.); (I.I.A.); (H.A.O.)
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19
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COVID-19 digital contact tracing applications and techniques: A review post initial deployments. TRANSPORTATION ENGINEERING 2021; 5:100072. [PMCID: PMC8132499 DOI: 10.1016/j.treng.2021.100072] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/30/2021] [Accepted: 05/17/2021] [Indexed: 05/24/2023]
Abstract
The coronavirus disease 2019 (COVID-19) is a severe global pandemic that has claimed millions of lives and continues to overwhelm public health systems in many countries. The spread of COVID-19 pandemic has negatively impacted the human mobility patterns such as daily transportation-related behavior of the public. There is a requirement to understand the disease spread patterns and its routes among neighboring individuals for the timely implementation of corrective measures at the required placement. To increase the effectiveness of contact tracing, countries across the globe are leveraging advancements in mobile technology and Internet of Things (IoT) to aid traditional manual contact tracing to track individuals who have come in close contact with identified COVID-19 patients. Even as the first administration of vaccines begins in 2021, the COVID-19 management strategy will continue to be multi-pronged for the foreseeable future with digital contact tracing being a vital component of the response along with the use of preventive measures such as social distancing and the use of face masks. After some months of deployment of digital contact tracing technology, deeper insights into the merits of various approaches and the usability, privacy, and ethical trade-offs involved are emerging. In this paper, we provide a comprehensive analysis of digital contact tracing solutions in terms of their methodologies and technologies in the light of the new data emerging about international experiences of deployments of digital contact tracing technology. We also provide a discussion on open challenges such as scalability, privacy, adaptability and highlight promising directions for future work.
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20
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Grekousis G, Liu Y. Digital contact tracing, community uptake, and proximity awareness technology to fight COVID-19: a systematic review. SUSTAINABLE CITIES AND SOCIETY 2021; 71:102995. [PMID: 34002124 PMCID: PMC8114870 DOI: 10.1016/j.scs.2021.102995] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/02/2021] [Accepted: 05/02/2021] [Indexed: 05/04/2023]
Abstract
Digital contact tracing provides an expeditious and comprehensive way to collect and analyze data on people's proximity, location, movement, and health status. However, this technique raises concerns about data privacy and its overall effectiveness. This paper contributes to this debate as it provides a systematic review of digital contact tracing studies between January 1, 2020, and March 31, 2021. Following the PRISMA protocol for systematic reviews and the CHEERS statement for quality assessment, 580 papers were initially screened, and 19 papers were included in a qualitative synthesis. We add to the current literature in three ways. First, we evaluate whether digital contact tracing can mitigate COVID-19 by either reducing the effective reproductive number or the infected cases. Second, we study whether digital is more effective than manual contact tracing. Third, we analyze how proximity/location awareness technologies affect data privacy and population participation. We also discuss proximity/location accuracy problems arising when these technologies are applied in different built environments (i.e., home, transport, mall, park). This review provides a strong rationale for using digital contact tracing under specific requirements. Outcomes may inform current digital contact tracing implementation efforts worldwide regarding the potential benefits, technical limitations, and trade-offs between effectiveness and privacy.
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Affiliation(s)
- George Grekousis
- School of Geography and Planning, Department of Urban and Regional Planning, No 135, Xingang Xi Road, Guangzhou, Haizhu, 510275, China
- Guangdong Key Laboratory for Urbanization and Geo-simulation, Sun Yat-sen University, No 135, Xingang Xi Road, Guangzhou, Haizhu, 510275, China
| | - Ye Liu
- School of Geography and Planning, Department of Urban and Regional Planning, No 135, Xingang Xi Road, Guangzhou, Haizhu, 510275, China
- Guangdong Key Laboratory for Urbanization and Geo-simulation, Sun Yat-sen University, No 135, Xingang Xi Road, Guangzhou, Haizhu, 510275, China
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21
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Shubina V, Ometov A, Basiri A, Lohan ES. Effectiveness modelling of digital contact-tracing solutions for tackling the COVID-19 pandemic. JOURNAL OF NAVIGATION 2021; 74:853-886. [PMCID: PMC8060546 DOI: 10.1017/s0373463321000175] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 02/15/2021] [Indexed: 05/18/2023]
Abstract
Since the beginning of the coronavirus (COVID-19) global pandemic, digital contact-tracing applications (apps) have been at the centre of attention as a digital tool to enable citizens to monitor their social distancing, which appears to be one of the leading practices for mitigating the spread of airborne infectious diseases. Many countries have been working towards developing suitable digital contact-tracing apps to allow the measurement of the physical distance between citizens and to alert them when contact with an infected individual has occurred. However, the adoption of digital contact-tracing apps has faced several challenges so far, including interoperability between mobile devices and users’ privacy concerns. There is a need to reach a trade-off between the achievable technical performance of new technology, false-positive rates, and social and behavioural factors. This paper reviews a wide range of factors and classifies them into three categories of technical, epidemiological and social ones, and incorporates these into a compact mathematical model. The paper evaluates the effectiveness of digital contact-tracing apps based on received signal strength measurements. The results highlight the limitations, potential and challenges of the adoption of digital contact-tracing apps.
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Affiliation(s)
- Viktoriia Shubina
- Tampere University, Tampere, Finland
- University ‘Politehnica’ of Bucharest, Bucharest, Romania
- Corresponding author. E-mail:
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22
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Kolasa K, Mazzi F, Leszczuk-Czubkowska E, Zrubka Z, Péntek M. State of the Art in Adoption of Contact Tracing Apps and Recommendations Regarding Privacy Protection and Public Health: Systematic Review. JMIR Mhealth Uhealth 2021; 9:e23250. [PMID: 34033581 PMCID: PMC8195202 DOI: 10.2196/23250] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/30/2020] [Accepted: 02/22/2021] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND During the COVID-19 pandemic, contact tracing apps have received a lot of public attention. The ongoing debate highlights the challenges of the adoption of data-driven innovation. We reflect on how to ensure an appropriate level of protection of individual data and how to maximize public health benefits that can be derived from the collected data. OBJECTIVE The aim of the study was to analyze available COVID-19 contact tracing apps and verify to what extent public health interests and data privacy standards can be fulfilled simultaneously in the process of the adoption of digital health technologies. METHODS A systematic review of PubMed and MEDLINE databases, as well as grey literature, was performed to identify available contact tracing apps. Two checklists were developed to evaluate (1) the apps' compliance with data privacy standards and (2) their fulfillment of public health interests. Based on both checklists, a scorecard with a selected set of minimum requirements was created with the goal of estimating whether the balance between the objective of data privacy and public health interests can be achieved in order to ensure the broad adoption of digital technologies. RESULTS Overall, 21 contact tracing apps were reviewed. In total, 11 criteria were defined to assess the usefulness of each digital technology for public health interests. The most frequently installed features related to contact alerting and governmental accountability. The least frequently installed feature was the availability of a system of medical or organizational support. Only 1 app out of 21 (5%) provided a threshold for the population coverage needed for the digital solution to be effective. In total, 12 criteria were used to assess the compliance of contact tracing apps with data privacy regulations. Explicit user consent, voluntary use, and anonymization techniques were among the most frequently fulfilled criteria. The least often implemented criteria were provisions of information about personal data breaches and data gathered from children. The balance between standards of data protection and public health benefits was achieved best by the COVIDSafe app and worst by the Alipay Health Code app. CONCLUSIONS Contact tracing apps with high levels of compliance with standards of data privacy tend to fulfill public health interests to a limited extent. Simultaneously, digital technologies with a lower level of data privacy protection allow for the collection of more data. Overall, this review shows that a consistent number of apps appear to comply with standards of data privacy, while their usefulness from a public health perspective can still be maximized.
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Affiliation(s)
- Katarzyna Kolasa
- Division of Health Economics and Healthcare Management, Kozminski University, Warsaw, Poland
| | - Francesca Mazzi
- Queen Mary University of London, London, United Kingdom
- Maastricht University, Maastricht, Netherlands
| | | | - Zsombor Zrubka
- Health Economics Research Center, Óbuda University, Budapest, Hungary
- Corvinus Institute for Advanced Studies, Corvinus University of Budapest, Budapest, Hungary
| | - Márta Péntek
- Health Economics Research Center, Óbuda University, Budapest, Hungary
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23
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Umair M, Cheema MA, Cheema O, Li H, Lu H. Impact of COVID-19 on IoT Adoption in Healthcare, Smart Homes, Smart Buildings, Smart Cities, Transportation and Industrial IoT. SENSORS (BASEL, SWITZERLAND) 2021; 21:3838. [PMID: 34206120 PMCID: PMC8199516 DOI: 10.3390/s21113838] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 05/25/2021] [Accepted: 05/28/2021] [Indexed: 12/23/2022]
Abstract
COVID-19 has disrupted normal life and has enforced a substantial change in the policies, priorities and activities of individuals, organisations and governments. These changes are proving to be a catalyst for technology and innovation. In this paper, we discuss the pandemic's potential impact on the adoption of the Internet of Things (IoT) in various broad sectors, namely healthcare, smart homes, smart buildings, smart cities, transportation and industrial IoT. Our perspective and forecast of this impact on IoT adoption is based on a thorough research literature review, a careful examination of reports from leading consulting firms and interactions with several industry experts. For each of these sectors, we also provide the details of notable IoT initiatives taken in the wake of COVID-19. We also highlight the challenges that need to be addressed and important research directions that will facilitate accelerated IoT adoption.
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Affiliation(s)
- Muhammad Umair
- Department of Electrical, Electronics and Telecommunication Engineering, New Campus, University of Engineering and Technology, Lahore, Punjab 54890, Pakistan;
| | - Muhammad Aamir Cheema
- Faculty of Information Technology, Monash University, Wellington Rd, Clayton, VIC 3800, Australia
| | - Omer Cheema
- IoT Wi-Fi Business Unit, Dialog Semiconductor, Green Park Reading RG2 6GP, UK;
| | - Huan Li
- Department of Computer Science, Aalborg University, Fredrik Bajers Vej 7K, 9220 Aalborg Øst, Denmark;
| | - Hua Lu
- Department of People and Technology, Roskilde University, Universitetsvej 1, 4000 Roskilde, Denmark;
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24
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Ahmed I, Ahmad M, Jeon G. Social distance monitoring framework using deep learning architecture to control infection transmission of COVID-19 pandemic. SUSTAINABLE CITIES AND SOCIETY 2021; 69:102777. [PMID: 33619448 PMCID: PMC7889035 DOI: 10.1016/j.scs.2021.102777] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The recent outbreak of the COVID-19 affected millions of people worldwide, yet the rate of infected people is increasing. In order to cope with the global pandemic situation and prevent the spread of the virus, various unprecedented precaution measures are adopted by different countries. One of the crucial practices to prevent the spread of viral infection is social distancing. This paper intends to present a social distance framework based on deep learning architecture as a precautionary step that helps to maintain, monitor, manage, and reduce the physical interaction between individuals in a real-time top view environment. We used Faster-RCNN for human detection in the images. As the human's appearance significantly varies in a top perspective; therefore, the architecture is trained on the top view human data set. Moreover, taking advantage of transfer learning, a new trained layer is fused with a pre-trained architecture. After detection, the pair-wise distance between peoples is estimated in an image using Euclidean distance. The detected bounding box's information is utilized to measure the central point of an individual detected bounding box. A violation threshold is defined that uses distance to pixel information and determines whether two people violate social distance or not. Experiments are conducted using various test images; results demonstrate that the framework effectively monitors the social distance between peoples. The transfer learning technique enhances the overall performance of the framework by achieving an accuracy of 96% with a False Positive Rate of 0.6%.
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Affiliation(s)
- Imran Ahmed
- Institute of Management Sciences, Center of Excellence in Information Technology, 1-A, Sector E-5, Phase VII, Hayatabad, Peshawar, Pakistan
| | - Misbah Ahmad
- Institute of Management Sciences, Center of Excellence in Information Technology, 1-A, Sector E-5, Phase VII, Hayatabad, Peshawar, Pakistan
| | - Gwanggil Jeon
- Department of Embedded Systems Engineering, Incheon National University, Incheon, Republic of Korea
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25
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Zuo F, Gao J, Kurkcu A, Yang H, Ozbay K, Ma Q. Reference-free video-to-real distance approximation-based urban social distancing analytics amid COVID-19 pandemic. JOURNAL OF TRANSPORT & HEALTH 2021; 21:101032. [PMID: 36567866 PMCID: PMC9765816 DOI: 10.1016/j.jth.2021.101032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/13/2021] [Accepted: 02/24/2021] [Indexed: 05/06/2023]
Abstract
INTRODUCTION The rapidly evolving COVID-19 pandemic has dramatically reshaped urban travel patterns. In this research, we explore the relationship between "social distancing," a concept that has gained worldwide familiarity, and urban mobility during the pandemic. Understanding social distancing behavior will allow urban planners and engineers to better understand the new norm of urban mobility amid the pandemic, and what patterns might hold for individual mobility post-pandemic or in the event of a future pandemic. METHODS There are still few efforts to obtain precise information on social distancing patterns of pedestrians in urban environments. This is largely attributed to numerous burdens in safely deploying any effective field data collection approaches during the crisis. This paper aims to fill that gap by developing a data-driven analytical framework that leverages existing public video data sources and advanced computer vision techniques to monitor the evolution of social distancing patterns in urban areas. Specifically, the proposed framework develops a deep-learning approach with a pre-trained convolutional neural network to mine the massive amount of public video data captured in urban areas. Real-time traffic camera data collected in New York City (NYC) was used as a case study to demonstrate the feasibility and validity of using the proposed approach to analyze pedestrian social distancing patterns. RESULTS The results show that microscopic pedestrian social distancing patterns can be quantified by using a generalized real-distance approximation method. The estimated distance between individuals can be compared to social distancing guidelines to evaluate policy compliance and effectiveness during a pandemic. Quantifying social distancing adherence will provide decision-makers with a better understanding of prevailing social contact challenges. It also provides insights into the development of response strategies and plans for phased reopening for similar future scenarios.
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Affiliation(s)
- Fan Zuo
- C2SMART Center, Department of Civil and Urban Engineering, Tandon School of Engineering, New York University, 6 MetroTech Center, 4th Floor, Brooklyn, NY, 11201, USA
| | - Jingqin Gao
- C2SMART Center, Department of Civil and Urban Engineering, Tandon School of Engineering, New York University, 6 MetroTech Center, 4th Floor, Brooklyn, NY, 11201, USA
| | - Abdullah Kurkcu
- Ulteig, 5575 DTC Parkway, Suite 200, Greenwood Village, CO, 80111, USA
| | - Hong Yang
- Department of Computational Modeling and Simulation Engineering, Old Dominion University, 1117 ENGR & COMP SCI BLDG, Norfolk, VA, 23529, USA
| | - Kaan Ozbay
- C2SMART Center, Department of Civil and Urban Engineering & Center for Urban Science and Progress (CUSP), Tandon School of Engineering, New York University, 6 MetroTech Center, 4th Floor, Brooklyn, NY, 11201, USA
| | - Qingyu Ma
- Department of Computational Modeling and Simulation Engineering, Old Dominion University, 1117 ENGR & COMP SCI BLDG, Norfolk, VA, 23529, USA
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26
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Pandl KD, Thiebes S, Schmidt-Kraepelin M, Sunyaev A. How detection ranges and usage stops impact digital contact tracing effectiveness for COVID-19. Sci Rep 2021; 11:9414. [PMID: 33941793 PMCID: PMC8093197 DOI: 10.1038/s41598-021-88768-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 04/14/2021] [Indexed: 01/12/2023] Open
Abstract
To combat the COVID-19 pandemic, many countries around the globe have adopted digital contact tracing apps. Various technologies exist to trace contacts that are potentially prone to different types of tracing errors. Here, we study the impact of different proximity detection ranges on the effectiveness and efficiency of digital contact tracing apps. Furthermore, we study a usage stop effect induced by a false positive quarantine. Our results reveal that policy makers should adjust digital contact tracing apps to the behavioral characteristics of a society. Based on this, the proximity detection range should at least cover the range of a disease spread, and be much wider in certain cases. The widely used Bluetooth Low Energy protocol may not necessarily be the most effective technology for contact tracing.
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Affiliation(s)
- Konstantin D Pandl
- Institute of Applied Informatics and Formal Description Methods, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Scott Thiebes
- Institute of Applied Informatics and Formal Description Methods, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Manuel Schmidt-Kraepelin
- Institute of Applied Informatics and Formal Description Methods, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Ali Sunyaev
- Institute of Applied Informatics and Formal Description Methods, Karlsruhe Institute of Technology, Karlsruhe, Germany.
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27
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Su J, He X, Qing L, Niu T, Cheng Y, Peng Y. A novel social distancing analysis in urban public space: A new online spatio-temporal trajectory approach. SUSTAINABLE CITIES AND SOCIETY 2021; 68:102765. [PMID: 33585169 PMCID: PMC7865092 DOI: 10.1016/j.scs.2021.102765] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 01/16/2021] [Accepted: 01/30/2021] [Indexed: 05/07/2023]
Abstract
Social distancing in public spaces plays a crucial role in controlling or slowing down the spread of coronavirus during the COVID-19 pandemic. Visual Social Distancing (VSD) offers an opportunity for real-time measuring and analysing the physical distance between pedestrians using surveillance videos in public spaces. It potentially provides new evidence for implementing effective prevention measures of the pandemic. The existing VSD methods developed in the literature are primarily based on frame-by-frame pedestrian detection, addressing the VSD problem from a static and local perspective. In this paper, we propose a new online multi-pedestrian tracking approach for spatio-temporal trajectory and its application to multi-scale social distancing measuring and analysis. Firstly, an online multi-pedestrian tracking method is proposed to obtain the trajectories of pedestrians in public spaces, based on hierarchical data association. Then, a new VSD method based on spatio-temporal trajectories is proposed. The proposed method not only considers the Euclidean distance between tracking objects frame-by-frame but also takes into account the discrete Fréchet distance between trajectories, hence forms a comprehensive solution from both static and dynamic, local and holistic perspectives. We evaluated the performance of the proposed tracking method using the public dataset MOT16 benchmark. We also collected our own pedestrian dataset "SCU-VSD" and designed a multi-scale VSD analysis scheme for benchmarking the performance of the social distancing monitoring in the crowd. Experiments have demonstrated that the proposed method achieved outstanding performance on the analysis of social distancing.
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Affiliation(s)
- Jie Su
- College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Xiaohai He
- College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Linbo Qing
- College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Tong Niu
- College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Yongqiang Cheng
- Department of Computer Science and Technology, University of Hull, Hull, HU6 7RX, United Kingdom
| | - Yonghong Peng
- Department of Computing and Mathematics, Manchester Metropolitan University, Manchester, M1 5GD, United Kingdom
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Minetto A, Nardin A, Dovis F. Modelling and Experimental Assessment of Inter-Personal Distancing Based on Shared GNSS Observables. SENSORS (BASEL, SWITZERLAND) 2021; 21:2588. [PMID: 33917083 PMCID: PMC8067691 DOI: 10.3390/s21082588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/29/2021] [Accepted: 04/01/2021] [Indexed: 11/16/2022]
Abstract
In the last few years, all countries worldwide have fought the spread of SARS-CoV-2 (COVID-19) by exploiting Information and Communication Technologies (ICT) to perform contact tracing. In parallel, the pandemic has highlighted the relevance of mobility and social distancing among citizens. The monitoring of such aspects appeared prominent for reactive decision-making and the effective tracking of the infection chain. In parallel to the proximity sensing among people, indeed, the concept of social distancing has captured the attention to signal processing algorithms enabling short-to-medium range distance estimation to provide behavioral models in the emergency. By exploiting the availability of smart devices, the synergy between mobile network connectivity and Global Navigation Satellite Systems (GNSS), cooperative ranging approaches allow computing inter-personal distance measurements in outdoor environments through the exchange of light-weight navigation data among interconnected users. In this paper, a model for Inter-Agent Ranging (IAR) is provided and experimentally assessed to offer a naive collaborative distancing technique that leverages these features. Although the technique provides distance information, it does not imply the disclosure of the user's locations being intrinsically prone to protect sensitive user data. A statistical error model is presented and validated through synthetic simulations and real, on-field experiments to support implementation in GNSS-equipped mobile devices. Accuracy and precision of IAR measurements are compared to other consolidated GNSS-based techniques showing comparable performance at lower complexity and computational effort.
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Affiliation(s)
- Alex Minetto
- Department of Electronics and Telecommunications (DET), Politecnico di Torino, 10129 Turin, Italy; (A.N.); (F.D.)
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29
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Hoeben EM, Bernasco W, Suonperä Liebst L, van Baak C, Rosenkrantz Lindegaard M. Social distancing compliance: A video observational analysis. PLoS One 2021; 16:e0248221. [PMID: 33720951 PMCID: PMC7959357 DOI: 10.1371/journal.pone.0248221] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 02/18/2021] [Indexed: 02/03/2023] Open
Abstract
PURPOSE Virus epidemics may be mitigated if people comply with directives to stay at home and keep their distance from strangers in public. As such, there is a public health interest in social distancing compliance. The available evidence on distancing practices in public space is limited, however, by the lack of observational data. Here, we apply video observation as a method to examine to what extent members of the public comply with social distancing directives. DATA Closed Circuit Television (CCTV) footage of interactions in public was collected in inner-city Amsterdam, the Netherlands. From the footage, we observed instances of people violating the 1.5-meter distance directives in the weeks before, during, and after these directives were introduced to mitigate the COVID-19 pandemic. RESULTS We find that people complied with the 1.5-meter distance directives when these directives were first introduced, but that the level of compliance started to decline soon after. We also find that violation of the 1.5-meter distance directives is strongly associated with the number of people observed on the street and with non-compliance to stay-at-home directives, operationalized with large-scale aggregated location data from cell phones. All three measures correlate to a varying extent with temporal patterns in the transmission of the COVID-19 virus, temperature, COVID-19 related Google search queries, and media attention to the topic. CONCLUSION Compliance with 1.5 meter distance directives is short-lived and coincides with the number of people on the street and with compliance to stay-at-home directives. Potential implications of these findings are that keep- distance directives may work best in combination with stay-at-home directives and place-specific crowd-control strategies, and that the number of people on the street and community-wide mobility as captured with cell phone data offer easily measurable proxies for the extent to which people keep sufficient physical distance from others at specific times and locations.
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Affiliation(s)
- Evelien M. Hoeben
- Netherlands Institute for the Study of Crime and Law Enforcement (NSCR), Amsterdam, The Netherlands
| | - Wim Bernasco
- Netherlands Institute for the Study of Crime and Law Enforcement (NSCR), Amsterdam, The Netherlands
- Department of Spatial Economics, School of Business and Economics, VU University Amsterdam, Amsterdam, The Netherlands
| | | | - Carlijn van Baak
- Netherlands Institute for the Study of Crime and Law Enforcement (NSCR), Amsterdam, The Netherlands
| | - Marie Rosenkrantz Lindegaard
- Netherlands Institute for the Study of Crime and Law Enforcement (NSCR), Amsterdam, The Netherlands
- Department of Spatial Economics, School of Business and Economics, VU University Amsterdam, Amsterdam, The Netherlands
- Department of Sociology, Faculty of Social and Behavioural Sciences, University of Amsterdam, Amsterdam, The Netherlands
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30
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Kolesnichenko O, Mazelis L, Sotnik A, Yakovleva D, Amelkin S, Grigorevsky I, Kolesnichenko Y. Sociological modeling of smart city with the implementation of UN sustainable development goals. SUSTAINABILITY SCIENCE 2021; 16:581-599. [PMID: 33425036 PMCID: PMC7779083 DOI: 10.1007/s11625-020-00889-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 11/24/2020] [Indexed: 06/12/2023]
Abstract
The COVID-19 pandemic before mass vaccination can be restrained only by the limitation of contacts between people, which makes the digital economy a key condition for survival. More than half of the world's population lives in urban areas, and many cities have already transformed into "smart" digital/virtual hubs. Digital services ensure city life safe without an economy lockout and unemployment. Urban society strives to be safe, sustainable, well-being, and healthy. We set the task to construct a hybrid sociological and technological concept of a smart city with matched solutions, complementary to each other. Our modeling with the elaborated digital architectures and with the bionic solution for ensuring sufficient data governance showed that a smart city in comparison with the traditional city is tightly interconnected inside like a social "organism". Society has entered a decisive decade during which the world will change by moving closer towards SDGs targets 2030 as well as by the transformation of cities and their digital infrastructures. It is important to recognize the large vector of sociological transformation as smart cities are just a transition phase to human-centered personal space or smart home. The "atomization" of the world urban population raises the gap problem in achieving SDGs because of different approaches to constructing digital architectures for smart cities or smart homes in countries. The strategy of creating smart cities should bring each citizen closer to SDGs at the individual level, laying in the personal space the principles of sustainable development and wellness of personality. Supplementary Information The online version contains supplementary material available at 10.1007/s11625-020-00889-5.
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Affiliation(s)
- Olga Kolesnichenko
- I. M. Sechenov First Moscow State Medical University, 11/2 Rossolimo Street, 119021 Moscow, Russia
| | - Lev Mazelis
- Department of Mathematics and Modeling, Vladivostok State University of Economics and Service, 41 Gogolya Street, 690014 Vladivostok, Russia
| | - Alexander Sotnik
- ZAO (CJSC) Firm CV PROTEK, 2 Chermyanskaya Street, 2, 127282 Moscow, Russia
| | - Dariya Yakovleva
- Department of Mathematics and Modeling, Vladivostok State University of Economics and Service, 41 Gogolya Street, 690014 Vladivostok, Russia
| | - Sergey Amelkin
- Moscow State Linguistic University, 38 Ostozhenka Street, 119034 Moscow, Russia
| | - Ivan Grigorevsky
- A.K. Aylamazyan Program Systems Institute of RAS, 4A Peter I Street, 152024 Pereslavl-Zalessky, Russia
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31
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Shorfuzzaman M, Hossain MS, Alhamid MF. Towards the sustainable development of smart cities through mass video surveillance: A response to the COVID-19 pandemic. SUSTAINABLE CITIES AND SOCIETY 2021; 64:102582. [PMID: 33178557 PMCID: PMC7644199 DOI: 10.1016/j.scs.2020.102582] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/13/2020] [Accepted: 10/27/2020] [Indexed: 05/22/2023]
Abstract
Sustainable smart city initiatives around the world have recently had great impact on the lives of citizens and brought significant changes to society. More precisely, data-driven smart applications that efficiently manage sparse resources are offering a futuristic vision of smart, efficient, and secure city operations. However, the ongoing COVID-19 pandemic has revealed the limitations of existing smart city deployment; hence; the development of systems and architectures capable of providing fast and effective mechanisms to limit further spread of the virus has become paramount. An active surveillance system capable of monitoring and enforcing social distancing between people can effectively slow the spread of this deadly virus. In this paper, we propose a data-driven deep learning-based framework for the sustainable development of a smart city, offering a timely response to combat the COVID-19 pandemic through mass video surveillance. To implementing social distancing monitoring, we used three deep learning-based real-time object detection models for the detection of people in videos captured with a monocular camera. We validated the performance of our system using a real-world video surveillance dataset for effective deployment.
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Affiliation(s)
- Mohammad Shorfuzzaman
- Department of Computer Science, College of Computers and Information Technology (CCIT), Taif University, Taif, Saudi Arabia
| | - M Shamim Hossain
- Department of Software Engineering, College of Computer and Information Sciences, King Saud University, P.O. Box: 51178, Riyadh 11543, Saudi Arabia
| | - Mohammed F Alhamid
- Department of Software Engineering, College of Computer and Information Sciences, King Saud University, P.O. Box: 51178, Riyadh 11543, Saudi Arabia
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Nguyen CT, Saputra YM, Huynh NV, Nguyen NT, Khoa TV, Tuan BM, Nguyen DN, Hoang DT, Vu TX, Dutkiewicz E, Chatzinotas S, Ottersten B. A Comprehensive Survey of Enabling and Emerging Technologies for Social Distancing-Part I: Fundamentals and Enabling Technologies. IEEE ACCESS : PRACTICAL INNOVATIONS, OPEN SOLUTIONS 2020; 8:153479-153507. [PMID: 34812349 PMCID: PMC8545308 DOI: 10.1109/access.2020.3018140] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 08/13/2020] [Indexed: 05/14/2023]
Abstract
Social distancing plays a pivotal role in preventing the spread of viral diseases illnesses such as COVID-19. By minimizing the close physical contact among people, we can reduce the chances of catching the virus and spreading it across the community. This two-part paper aims to provide a comprehensive survey on how emerging technologies, e.g., wireless and networking, artificial intelligence (AI) can enable, encourage, and even enforce social distancing practice. In this Part I, we provide a comprehensive background of social distancing including basic concepts, measurements, models, and propose various practical social distancing scenarios. We then discuss enabling wireless technologies which are especially effect- in social distancing, e.g., symptom prediction, detection and monitoring quarantined people, and contact tracing. The companion paper Part II surveys other emerging and related technologies, such as machine learning, computer vision, thermal, ultrasound, etc., and discusses open issues and challenges (e.g., privacy-preserving, scheduling, and incentive mechanisms) in implementing social distancing in practice.
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Affiliation(s)
- Cong T. Nguyen
- Department of Computer Science and EngineeringHo Chi Minh City University of TechnologyHo Chi MInh City700000Vietnam
- Department of Computer Science and EngineeringVietnam National University-Ho Chi Minh CityHo Chi MInh City700000Vietnam
| | - Yuris Mulya Saputra
- School of Electrical and Data EngineeringUniversity of Technology SydneySydneyNSW2007Australia
- Department of Electrical Engineering and InformaticsVocational CollegeUniversitas Gadjah MadaYogyakarta55281Indonesia
| | - Nguyen Van Huynh
- School of Electrical and Data EngineeringUniversity of Technology SydneySydneyNSW2007Australia
| | - Ngoc-Tan Nguyen
- School of Electrical and Data EngineeringUniversity of Technology SydneySydneyNSW2007Australia
- VNU University of Engineering and Technology, Vietnam National UniversityHanoi711000Vietnam
| | - Tran Viet Khoa
- VNU University of Engineering and Technology, Vietnam National UniversityHanoi711000Vietnam
| | - Bui Minh Tuan
- VNU University of Engineering and Technology, Vietnam National UniversityHanoi711000Vietnam
| | - Diep N. Nguyen
- School of Electrical and Data EngineeringUniversity of Technology SydneySydneyNSW2007Australia
| | - Dinh Thai Hoang
- School of Electrical and Data EngineeringUniversity of Technology SydneySydneyNSW2007Australia
| | - Thang X. Vu
- Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg4365Luxembourg CityLuxembourg
| | - Eryk Dutkiewicz
- School of Electrical and Data EngineeringUniversity of Technology SydneySydneyNSW2007Australia
| | - Symeon Chatzinotas
- Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg4365Luxembourg CityLuxembourg
| | - Björn Ottersten
- Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg4365Luxembourg CityLuxembourg
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