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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Sitting Posture Assessment Method for Back Pain Prevention System
verfasst von : Daiki Joumori, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi
Erschienen in: Human Interaction, Emerging Technologies and Future Applications III
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Abstract
Back pain is widespread in Japan in recent years. The economic loss from back pain in Japan was 82.1 billion yen in 2011. Therefore, it is necessary to construct a low back pain prevention system that can be easily used. First, system estimate the body part from the image using OPENPOSE. It extract the five coordinates (neck, shoulders, and buttocks) from the output. It calculate the z coordinate of each point. Finally, It estimate the front-back tilt and the left-right tilt. We compare three distances (2 m, 3.5 m, 5 m) and three angles (20°, 0°, −20°) in experiments. Review the results. In the distance, the discrimination rates are 2 m: 83%, 3.5 m: 99%, 5 m: 66%. Next, regarding the angle, the discrimination system was good in the order of 20°, 0°, 20°.