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Yu H, Zhang Q, Yang LT. An Edge-Cloud-Aided Private High-Order Fuzzy C-Means Clustering Algorithm in Smart Healthcare. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2024; 21:1083-1092. [PMID: 37018339 DOI: 10.1109/tcbb.2022.3233380] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Smart healthcare has emerged to provide healthcare services using data analysis techniques. Especially, clustering is playing an indispensable role in analyzing healthcare records. However, large multi-modal healthcare data imposes great challenges on clustering. Specifically, it is hard for traditional approaches to obtain desirable results for healthcare data clustering since they are not able to work for multi-modal data. This paper presents a new high-order multi-modal learning approach using multimodal deep learning and the Tucker decomposition (F- HoFCM). Furthermore, we propose an edge-cloud-aided private scheme to facilitate the clustering efficiency for its embedding in edge resources. Specifically, the computationally intensive tasks, such as parameter updating with high-order back propagation algorithm and clustering through high-order fuzzy c-means, are processed in a centralized location with cloud computing. The other tasks such as multi-modal data fusion and Tucker decomposition are performed at the edge resources. Since the feature fusion and Tucker decomposition are nonlinear operations, the cloud cannot obtain the raw data, thus protecting the privacy. Experimental results state that the presented approach produces significantly more accurate results than the existing high-order fuzzy c-means (HOFCM) on multi-modal healthcare datasets and furthermore the clustering efficiency are significantly improved by the developed edge-cloud-aided private healthcare system.
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Bałdyga M, Barański K, Belter J, Kalinowski M, Weichbroth P. Anomaly Detection in Railway Sensor Data Environments: State-of-the-Art Methods and Empirical Performance Evaluation. SENSORS (BASEL, SWITZERLAND) 2024; 24:2633. [PMID: 38676250 PMCID: PMC11054908 DOI: 10.3390/s24082633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/12/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024]
Abstract
To date, significant progress has been made in the field of railway anomaly detection using technologies such as real-time data analytics, the Internet of Things, and machine learning. As technology continues to evolve, the ability to detect and respond to anomalies in railway systems is once again in the spotlight. However, railway anomaly detection faces challenges related to the vast infrastructure, dynamic conditions, aging infrastructure, and adverse environmental conditions on the one hand, and the scale, complexity, and critical safety implications of railway systems on the other. Our study is underpinned by the three objectives. Specifically, we aim to identify time series anomaly detection methods applied to railway sensor device data, recognize the advantages and disadvantages of these methods, and evaluate their effectiveness. To address the research objectives, the first part of the study involved a systematic literature review and a series of controlled experiments. In the case of the former, we adopted well-established guidelines to structure and visualize the review. In the second part, we investigated the effectiveness of selected machine learning methods. To evaluate the predictive performance of each method, a five-fold cross-validation approach was applied to ensure the highest accuracy and generality. Based on the calculated accuracy, the results show that the top three methods are CatBoost (96%), Random Forest (91%), and XGBoost (90%), whereas the lowest accuracy is observed for One-Class Support Vector Machines (48%), Local Outlier Factor (53%), and Isolation Forest (55%). As the industry moves toward a zero-defect paradigm on a global scale, ongoing research efforts are focused on improving existing methods and developing new ones that contribute to the safety and quality of rail transportation. In this sense, there are at least four avenues for future research worth considering: testing richer data sets, hyperparameter optimization, and implementing other methods not included in the current study.
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Affiliation(s)
- Michał Bałdyga
- Meritus Systemy Informatyczne Sp. z.o.o., Prosta 70, 00-838 Warsaw, Poland
| | - Kacper Barański
- Meritus Systemy Informatyczne Sp. z.o.o., Prosta 70, 00-838 Warsaw, Poland
| | - Jakub Belter
- Meritus Systemy Informatyczne Sp. z.o.o., Prosta 70, 00-838 Warsaw, Poland
| | - Mateusz Kalinowski
- Meritus Systemy Informatyczne Sp. z.o.o., Prosta 70, 00-838 Warsaw, Poland
| | - Paweł Weichbroth
- Department of Software Engineering, Faculty of Electronics, Telecomunications and Informatics, Gdansk University of Technology, 80-233 Gdansk, Poland
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Sahlab N, Sonji I, Weyrich M. Graph-based association rule learning for context-based health monitoring to enable user-centered assistance. Artif Intell Med 2023; 135:102455. [PMID: 36628792 DOI: 10.1016/j.artmed.2022.102455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 11/25/2022]
Abstract
In response to the demographic change and the accompanying challenges for effective healthcare, approaches to enable using advancements of digitalization and IoT infrastructures as well as AI methods to deliver results in the field of personalized health assistance are necessary. In our research, we aim at enabling user-centered assistance with the help of networked sensors and Health Assistance Systems as well as learning methods based on connected graph data that model the shared system, user, and environmental context. In particular, this paper demonstrates a graph-based dynamic context model for a medication assistance system and presents an association rule learning method using Apriori algorithm to learn correlations between user vitals, activities as well as medication intake behavior. An application scenario for context-based heart rate monitoring is consequently presented as proof of concept, where associated contextual elements from the modeled context relating surges in monitored heart rate to environmental and user activity are shown.
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Affiliation(s)
- Nada Sahlab
- University of Stuttgart, Institute of Industrial Automation and Software Engineering, Pfaffenwaldring 47, 70569 Stuttgart, Germany.
| | - Iman Sonji
- University of Stuttgart, Institute of Industrial Automation and Software Engineering, Pfaffenwaldring 47, 70569 Stuttgart, Germany
| | - Michael Weyrich
- University of Stuttgart, Institute of Industrial Automation and Software Engineering, Pfaffenwaldring 47, 70569 Stuttgart, Germany
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Kong D, Liu S, Hong Y, Chen K, Luo Y. Perspectives on the popularization of smart senior care to meet the demands of older adults living alone in communities of Southwest China: A qualitative study. Front Public Health 2023; 11:1094745. [PMID: 36908438 PMCID: PMC9998995 DOI: 10.3389/fpubh.2023.1094745] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 01/31/2023] [Indexed: 03/14/2023] Open
Abstract
Background Older adults who live alone face challenges in daily life and in maintaining their health status quo. Currently, however, their growing demands cannot be satisfied with high quality; therefore, these demands expressed by elders may be settled in the form of smart senior care. Hence, the improvement in smart senior care may produce more positive meanings in promoting the health and sense of happiness among this elderly population. This study aimed to explore the perceptions of demands and satisfaction with regard to the provision of senior care services to the community-dwelling older adults who live alone in Southwest China, thus providing a reference for the popularization of smart senior care. Methods This study adopted a qualitative descriptive approach on demands and the popularization of smart senior care. Semi-structured and in-depth individual interviews were conducted with 15 community-dwelling older adults who lived alone in Southwest China between March and May 2021. Thematic analysis was applied to analyze the data. Results Through data analysis, three major themes and subcategories were generated: "necessities" (contradiction: more meticulous daily life care and higher psychological needs vs. the current lower satisfaction status quo; conflict: higher demands for medical and emergency care against less access at present), "feasibility" (objectively feasible: the popularization of smart devices and applications; subjectively feasible: interests in obtaining health information), and "existing obstacles" (insufficient publicity; technophobia; patterned living habits; and concerns). Conclusions Smart senior care may resolve the contradiction that prevails between the shortage of medical resources and the increasing demands for eldercare. Despite several obstacles that stand in the way of the popularization of smart senior care, the necessities and feasibility lay the preliminary foundation for its development and popularization. Decision-makers, communities, developers, and providers should cooperate to make smart senior care more popular and available to seniors living alone, facilitating independence while realizing aging in place by promoting healthy aging.
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Affiliation(s)
- Dehui Kong
- School of Nursing, Army Medical University (Third Military Medical University), Shapingba, Chongqing, China
| | - Siqi Liu
- School of Nursing, Army Medical University (Third Military Medical University), Shapingba, Chongqing, China
| | - Yan Hong
- School of Nursing, Army Medical University (Third Military Medical University), Shapingba, Chongqing, China
| | - Kun Chen
- School of Nursing, Army Medical University (Third Military Medical University), Shapingba, Chongqing, China
| | - Yu Luo
- School of Nursing, Army Medical University (Third Military Medical University), Shapingba, Chongqing, China
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Motwani A, Shukla PK, Pawar M. Ubiquitous and smart healthcare monitoring frameworks based on machine learning: A comprehensive review. Artif Intell Med 2022; 134:102431. [PMID: 36462891 PMCID: PMC9595483 DOI: 10.1016/j.artmed.2022.102431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 10/11/2022] [Accepted: 10/19/2022] [Indexed: 02/04/2023]
Abstract
During the COVID-19 pandemic, the patient care delivery paradigm rapidly shifted to remote technological solutions. Rising rates of life expectancy of older people, and deaths due to chronic diseases (CDs) such as cancer, diabetes and respiratory disease pose many challenges to healthcare. While the feasibility of Remote Patient Monitoring (RPM) with a Smart Healthcare Monitoring (SHM) framework was somewhat questionable before the COVID-19 pandemic, it is now a proven commodity and is on its way to becoming ubiquitous. More health organizations are adopting RPM to enable CD management in the absence of individual monitoring. The current studies on SHM have reviewed the applications of IoT and/or Machine Learning (ML) in the domain, their architecture, security, privacy and other network related issues. However, no study has analyzed the AI and ubiquitous computing advances in SHM frameworks. The objective of this research is to identify and map key technical concepts in the SHM framework. In this context an interesting and meaningful classification of the research articles surveyed for this work is presented. The comprehensive and systematic review is based on the "Preferred Reporting Items for Systematic Review and Meta-Analysis" (PRISMA) approach. A total of 2540 papers were screened from leading research archives from 2016 to March 2021, and finally, 50 articles were selected for review. The major advantages, developments, distinctive architectural structure, components, technical challenges and possibilities in SHM are briefly discussed. A review of various recent cloud and fog computing based architectures, major ML implementation challenges, prospects and future trends is also presented. The survey primarily encourages the data driven predictive analytics aspects of healthcare and the development of ML models for health empowerment.
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Affiliation(s)
- Anand Motwani
- School of Computing Science & Engineering, VIT Bhopal University, Sehore, (MP) 466114, India; Department of Computer Science & Engineering, University Institute of Technology, RGPV, Bhopal, (MP) 462033, India.
| | - Piyush Kumar Shukla
- Department of Computer Science & Engineering, University Institute of Technology, RGPV, Bhopal, (MP) 462033, India.
| | - Mahesh Pawar
- Department of Information Technology, University Institute of Technology, RGPV, Bhopal, (MP) 462033, India.
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Palumbo A, Ielpo N, Calabrese B, Corchiola D, Garropoli R, Gramigna V, Perri G. SIMpLE: A Mobile Cloud-Based System for Health Monitoring of People with ALS. SENSORS 2021; 21:s21217239. [PMID: 34770548 PMCID: PMC8587347 DOI: 10.3390/s21217239] [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: 09/20/2021] [Revised: 10/18/2021] [Accepted: 10/26/2021] [Indexed: 01/05/2023]
Abstract
Adopting telemonitoring services during the pandemic for people affected by chronic disease is fundamental to ensure access to health care services avoiding the risk of COVID-19 infection. Among chronic diseases, Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig’s disease, is a progressive neurodegenerative disease of adulthood, caused by the loss of spinal, bulbar and cortical motor neurons, which leads to paralysis of the voluntary muscles and, also, involves respiratory ones. Therefore, remote monitoring and teleconsulting are essential services for ALS patients with limited mobility, as the disease progresses, and for those living far from ALS centres and hospitals. In addition, the COVID 19 pandemic has increased the need to remotely provide the best care to patients, avoiding infection during ALS centre visits. The paper illustrates an innovative, secure medical monitoring and teleconsultation mobile cloud-based system for disabled people, such as those with ALS (Amyotrophic Lateral Sclerosis). The design aims to remotely monitor biosignals, such as ECG (electrocardiographic) and EMG (electromyographic) signals of ALS patients in order to prevent complications related to the pathology.
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Affiliation(s)
- Arrigo Palumbo
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (A.P.); (N.I.)
| | - Nicola Ielpo
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (A.P.); (N.I.)
| | - Barbara Calabrese
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (A.P.); (N.I.)
- Correspondence:
| | | | - Remo Garropoli
- Garropoli Computer Science Consulting, 87100 Cosenza, Italy;
| | - Vera Gramigna
- Neuroscience Research Center, Magna Graecia University, 88100 Catanzaro, Italy;
| | - Giovanni Perri
- Radiological Center Perri-Bilotti, 87100 Cosenza, Italy;
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Mamdiwar SD, R A, Shakruwala Z, Chadha U, Srinivasan K, Chang CY. Recent Advances on IoT-Assisted Wearable Sensor Systems for Healthcare Monitoring. BIOSENSORS-BASEL 2021; 11:bios11100372. [PMID: 34677328 PMCID: PMC8534204 DOI: 10.3390/bios11100372] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 01/30/2023]
Abstract
IoT has played an essential role in many industries over the last few decades. Recent advancements in the healthcare industry have made it possible to make healthcare accessible to more people and improve their overall health. The next step in healthcare is to integrate it with IoT-assisted wearable sensor systems seamlessly. This review rigorously discusses the various IoT architectures, different methods of data processing, transfer, and computing paradigms. It compiles various communication technologies and the devices commonly used in IoT-assisted wearable sensor systems and deals with its various applications in healthcare and their advantages to the world. A comparative analysis of all the wearable technology in healthcare is also discussed with tabulation of various research and technology. This review also analyses all the problems commonly faced in IoT-assisted wearable sensor systems and the specific issues that need to be tackled to optimize these systems in healthcare and describes the various future implementations that can be made to the architecture and the technology to improve the healthcare industry.
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Affiliation(s)
- Shwetank Dattatraya Mamdiwar
- School of Electronics Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India; (S.D.M.); (A.R.); (Z.S.)
| | - Akshith R
- School of Electronics Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India; (S.D.M.); (A.R.); (Z.S.)
| | - Zainab Shakruwala
- School of Electronics Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India; (S.D.M.); (A.R.); (Z.S.)
| | - Utkarsh Chadha
- Department of Manufacturing Engineering, School of Mechanical Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India;
| | - Kathiravan Srinivasan
- School of Computer Science and Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India;
| | - Chuan-Yu Chang
- Department of Computer Science and Information Engineering, National Yunlin University of Science and Technology, Yunlin 64002, Taiwan
- Correspondence:
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El-Rashidy N, El-Sappagh S, Islam SMR, M. El-Bakry H, Abdelrazek S. Mobile Health in Remote Patient Monitoring for Chronic Diseases: Principles, Trends, and Challenges. Diagnostics (Basel) 2021; 11:diagnostics11040607. [PMID: 33805471 PMCID: PMC8067150 DOI: 10.3390/diagnostics11040607] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/17/2021] [Accepted: 03/05/2021] [Indexed: 02/07/2023] Open
Abstract
Chronic diseases are becoming more widespread. Treatment and monitoring of these diseases require going to hospitals frequently, which increases the burdens of hospitals and patients. Presently, advancements in wearable sensors and communication protocol contribute to enriching the healthcare system in a way that will reshape healthcare services shortly. Remote patient monitoring (RPM) is the foremost of these advancements. RPM systems are based on the collection of patient vital signs extracted using invasive and noninvasive techniques, then sending them in real-time to physicians. These data may help physicians in taking the right decision at the right time. The main objective of this paper is to outline research directions on remote patient monitoring, explain the role of AI in building RPM systems, make an overview of the state of the art of RPM, its advantages, its challenges, and its probable future directions. For studying the literature, five databases have been chosen (i.e., science direct, IEEE-Explore, Springer, PubMed, and science.gov). We followed the (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) PRISMA, which is a standard methodology for systematic reviews and meta-analyses. A total of 56 articles are reviewed based on the combination of a set of selected search terms including RPM, data mining, clinical decision support system, electronic health record, cloud computing, internet of things, and wireless body area network. The result of this study approved the effectiveness of RPM in improving healthcare delivery, increase diagnosis speed, and reduce costs. To this end, we also present the chronic disease monitoring system as a case study to provide enhanced solutions for RPMs.
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Affiliation(s)
- Nora El-Rashidy
- Machine Learning and Information Retrieval Department, Faculty of Artificial Intelligence, Kafrelsheiksh University, Kafrelsheiksh 13518, Egypt;
| | - Shaker El-Sappagh
- Centro Singular de Investigación en Tecnoloxías Intelixentes (CiTIUS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Information Systems Department, Faculty of Computers and Artificial Intelligence, Benha University, Banha 13518, Egypt
- Correspondence: (S.E.-S.); (S.M.R.I.)
| | - S. M. Riazul Islam
- Department of Computer Science and Engineering, Sejong University, Seoul 05006, Korea
- Correspondence: (S.E.-S.); (S.M.R.I.)
| | - Hazem M. El-Bakry
- Information Systems Department, Faculty of Computers and Information, Mansoura University, Mansoura 13518, Egypt; (H.M.E.-B.); (S.A.)
| | - Samir Abdelrazek
- Information Systems Department, Faculty of Computers and Information, Mansoura University, Mansoura 13518, Egypt; (H.M.E.-B.); (S.A.)
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Fares N, Sherratt RS, Elhajj IH. Directing and Orienting ICT Healthcare Solutions to Address the Needs of the Aging Population. Healthcare (Basel) 2021; 9:147. [PMID: 33540510 PMCID: PMC7912863 DOI: 10.3390/healthcare9020147] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND With an aging population, it is essential to maintain good health and autonomy for as long as possible. Instead of hospitalisation or institutionalisation, older people with chronic conditions can be assisted in their own home with numerous "smart" devices that support them in their activities of daily living, manage their medical conditions, and prevent fall incidents. Information and Communication Technology (ICT) solutions facilitate the monitoring and management of older people's health to improve quality of life and physical activity with a decline in caregivers' burden. METHOD The aim of this paper was to conduct a systematic literature review to analyse the state of the art of ICT solutions for older people with chronic conditions, and the impact of these solutions on their quality of life from a biomedical perspective. RESULTS By analysing the literature on the available ICT proposals, it is shown that different approaches have been deployed by noticing that the more cross-interventions are merged then the better the results are, but there is still no evidence of the effects of ICT solutions on older people's health outcomes. Furthermore, there are still unresolved ethical and legal issues. CONCLUSION While there has been much research and development in healthcare ICT solutions for the aging population, ICT solutions still need significant development in order to be user-oriented, affordable, and to manage chronic conditions in the aging wider population.
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Affiliation(s)
- Nada Fares
- Department of Biomedical Engineering, School of Biological Sciences, University of Reading, Berkshire RG6 6AY, UK;
| | - R. Simon Sherratt
- Department of Biomedical Engineering, School of Biological Sciences, University of Reading, Berkshire RG6 6AY, UK;
| | - Imad H. Elhajj
- Department of Electrical and Computer Engineering, American University of Beirut, Beirut 1107 2020, Lebanon;
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Gaitan NC, Ungurean I. BACnet Application Layer over Bluetooth-Implementation and Validation. SENSORS 2021; 21:s21020538. [PMID: 33451056 PMCID: PMC7828491 DOI: 10.3390/s21020538] [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: 12/21/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 11/17/2022]
Abstract
The development of the smart building concept and building automation field is based on the exponential evolution of monitoring and control technologies. Residents of the smart building must interact with the monitoring and control system. A widely used method is specific applications executed on smartphones, tablets, and PCs with Bluetooth connection to the building control system. At this time, smartphones are increasingly used in everyday life for payments, reading newspapers, monitoring activity, and interacting with smart homes. The devices used to build the control system are interconnected through a specific network, one of the most widespread being the Building Automation and Control Network (BACnet) network. Here, we propose the use of the BACnet Application Layer over Bluetooth. We present a proposal of a concept and a practical implementation that can be used to test and validate the operation of the BACnet Application Layer over Bluetooth.
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Affiliation(s)
- Nicoleta Cristina Gaitan
- Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania
- MANSiD Integrated Center, Stefan cel Mare University, 720229 Suceava, Romania
- Correspondence: (N.C.G.); (I.U.)
| | - Ioan Ungurean
- Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania
- MANSiD Integrated Center, Stefan cel Mare University, 720229 Suceava, Romania
- Correspondence: (N.C.G.); (I.U.)
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eHomeSeniors Dataset: An Infrared Thermal Sensor Dataset for Automatic Fall Detection Research. SENSORS 2019; 19:s19204565. [PMID: 31640148 PMCID: PMC6832422 DOI: 10.3390/s19204565] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/09/2019] [Accepted: 09/25/2019] [Indexed: 11/26/2022]
Abstract
Automatic fall detection is a very active research area, which has grown explosively since the 2010s, especially focused on elderly care. Rapid detection of falls favors early awareness from the injured person, reducing a series of negative consequences in the health of the elderly. Currently, there are several fall detection systems (FDSs), mostly based on predictive and machine-learning approaches. These algorithms are based on different data sources, such as wearable devices, ambient-based sensors, or vision/camera-based approaches. While wearable devices like inertial measurement units (IMUs) and smartphones entail a dependence on their use, most image-based devices like Kinect sensors generate video recordings, which may affect the privacy of the user. Regardless of the device used, most of these FDSs have been tested only in controlled laboratory environments, and there are still no mass commercial FDS. The latter is partly due to the impossibility of counting, for ethical reasons, with datasets generated by falls of real older adults. All public datasets generated in laboratory are performed by young people, without considering the differences in acceleration and falling features of older adults. Given the above, this article presents the eHomeSeniors dataset, a new public dataset which is innovative in at least three aspects: first, it collects data from two different privacy-friendly infrared thermal sensors; second, it is constructed by two types of volunteers: normal young people (as usual) and performing artists, with the latter group assisted by a physiotherapist to emulate the real fall conditions of older adults; and third, the types of falls selected are the result of a thorough literature review.
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