Developing an IoT bathroom speaker for elderly safety

This report presents a secure and autonomous solution for detecting falls in bathroom environments, addressing privacy concerns associated with traditional video surveillance systems. The proposed approach integrates machine learning and artificial intelligence algorithms into edge processing device...

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Main Author: Ng, Priscilla Li Hui
Other Authors: Soh Yeng Chai
Format: Final Year Project (FYP)
Language:English
Published: Nanyang Technological University 2024
Subjects:
Online Access:https://hdl.handle.net/10356/177045
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author Ng, Priscilla Li Hui
author2 Soh Yeng Chai
author_facet Soh Yeng Chai
Ng, Priscilla Li Hui
author_sort Ng, Priscilla Li Hui
collection NTU
description This report presents a secure and autonomous solution for detecting falls in bathroom environments, addressing privacy concerns associated with traditional video surveillance systems. The proposed approach integrates machine learning and artificial intelligence algorithms into edge processing devices, enabling real-time decision- making at the network's edge. The system utilizes advanced audio classification models to identify conscious occupants expressing fear when calling for help, complemented by obscured thermal imaging techniques to detect unconscious fallen individuals. The audio classifier employs a Deep Neural Network (DNN) architecture trained on the Toronto Emotional Speech Data Set (TESS), achieving an overall accuracy of 88.22% in recognizing emotions from vocalizations. The thermal image classifier analyses temperature differentials between image pixels, correctly identifying fallen postures with 96% recall and 38% precision when the optimal temperature threshold is applied. Extensive testing and evaluation of the system's performance are conducted, including the construction of a thermal image dataset and the incorporation of background bathroom noise into the audio classification model, reducing the fear detection accuracy to 72.73%. The report provides a comprehensive overview of the system's methodology, hardware and software architectures, data collection and training processes, and presents the results obtained from various test scenarios. Recommendations for future work and potential enhancements are also discussed, highlighting the system's potential for widespread adoption and its contribution to enhancing elderly safety in bathroom environments while prioritizing data privacy and security.
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spelling ntu-10356/1770452024-05-31T15:42:48Z Developing an IoT bathroom speaker for elderly safety Ng, Priscilla Li Hui Soh Yeng Chai School of Electrical and Electronic Engineering EYCSOH@ntu.edu.sg Engineering Machine learning IoT Edge processing Deep neural network This report presents a secure and autonomous solution for detecting falls in bathroom environments, addressing privacy concerns associated with traditional video surveillance systems. The proposed approach integrates machine learning and artificial intelligence algorithms into edge processing devices, enabling real-time decision- making at the network's edge. The system utilizes advanced audio classification models to identify conscious occupants expressing fear when calling for help, complemented by obscured thermal imaging techniques to detect unconscious fallen individuals. The audio classifier employs a Deep Neural Network (DNN) architecture trained on the Toronto Emotional Speech Data Set (TESS), achieving an overall accuracy of 88.22% in recognizing emotions from vocalizations. The thermal image classifier analyses temperature differentials between image pixels, correctly identifying fallen postures with 96% recall and 38% precision when the optimal temperature threshold is applied. Extensive testing and evaluation of the system's performance are conducted, including the construction of a thermal image dataset and the incorporation of background bathroom noise into the audio classification model, reducing the fear detection accuracy to 72.73%. The report provides a comprehensive overview of the system's methodology, hardware and software architectures, data collection and training processes, and presents the results obtained from various test scenarios. Recommendations for future work and potential enhancements are also discussed, highlighting the system's potential for widespread adoption and its contribution to enhancing elderly safety in bathroom environments while prioritizing data privacy and security. Bachelor's degree 2024-05-29T01:16:08Z 2024-05-29T01:16:08Z 2024 Final Year Project (FYP) Ng, P. L. H. (2024). Developing an IoT bathroom speaker for elderly safety. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/177045 https://hdl.handle.net/10356/177045 en A1093-231 application/pdf Nanyang Technological University
spellingShingle Engineering
Machine learning
IoT
Edge processing
Deep neural network
Ng, Priscilla Li Hui
Developing an IoT bathroom speaker for elderly safety
title Developing an IoT bathroom speaker for elderly safety
title_full Developing an IoT bathroom speaker for elderly safety
title_fullStr Developing an IoT bathroom speaker for elderly safety
title_full_unstemmed Developing an IoT bathroom speaker for elderly safety
title_short Developing an IoT bathroom speaker for elderly safety
title_sort developing an iot bathroom speaker for elderly safety
topic Engineering
Machine learning
IoT
Edge processing
Deep neural network
url https://hdl.handle.net/10356/177045
work_keys_str_mv AT ngpriscillalihui developinganiotbathroomspeakerforelderlysafety