Related papers: Posture Prediction for Healthy Sitting using a Smart Chair

Posture Prediction for Healthy Sitting using a Smart Chair

URL: http://arxiv.org/abs/2201.02615v1
Date: Wed, 5 Jan 2022 20:31:28 GMT
Title: Posture Prediction for Healthy Sitting using a Smart Chair
Authors: Tariku Adane Gelaw, Misgina Tsighe Hagos
Abstract summary: Poor sitting habits have been identified as a risk factor to musculoskeletal disorders and lower back pain. This study builds Machine Learning models for classifying sitting posture of a person.
Score: 0.0
License: http://creativecommons.org/licenses/by/4.0/
Abstract: Poor sitting habits have been identified as a risk factor to musculoskeletal disorders and lower back pain especially on the elderly, disabled people, and office workers. In the current computerized world, even while involved in leisure or work activity, people tend to spend most of their days sitting at computer desks. This can result in spinal pain and related problems. Therefore, a means to remind people about their sitting habits and provide recommendations to counterbalance, such as physical exercise, is important. Posture recognition for seated postures have not received enough attention as most works focus on standing postures. Wearable sensors, pressure or force sensors, videos and images were used for posture recognition in the literature. The aim of this study is to build Machine Learning models for classifying sitting posture of a person by analyzing data collected from a chair platted with two 32 by 32 pressure sensors at its seat and backrest. Models were built using five algorithms: Random Forest (RF), Gaussian Na\"ive Bayes, Logistic Regression, Support Vector Machine and Deep Neural Network (DNN). All the models are evaluated using KFold cross-validation technique. This paper presents experiments conducted using the two separate datasets, controlled and realistic, and discusses results achieved at classifying six sitting postures. Average classification accuracies of 98% and 97% were achieved on the controlled and realistic datasets, respectively.

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