期刊
APPLIED SCIENCES-BASEL
卷 11, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/app112210645
关键词
motion capture; ergonomic risk assessment; industrial ergonomics; postural analysis; RULA
类别
资金
- POR MARCHE [FESR 2014-2020-ASSE 1-OS 1-AZIONE 1.1]
This paper introduces a low-cost and low computational marker-less motion capture system based on the acquisition of frame images through standard RGB cameras. Experimental results suggest that the proposed system can predict angles with good consistency and provide useful evidence for ergonomists.
Featured Application: We introduce a motion capture tool that uses at least one RGB-camera, exploiting an open-source deep learning model with low computational requirements, already used to im-plement mobile apps for mobility analysis. Experimental results suggest the suitability of this tool to perform posture analysis aimed at assessing the RULA score, in a more efficient way.This paper introduces a low-cost and low computational marker-less motion capture system based on the acquisition of frame images through standard RGB cameras. It exploits the open-source deep learning model CMU, from the tf-pose-estimation project. Its numerical accuracy and its usefulness for ergonomic assessment are evaluated by a proper experiment, designed and performed to: (1) compare the data provided by it with those collected from a motion capture golden standard system; (2) compare the RULA scores obtained with data provided by it with those obtained with data provided by the Vicon Nexus system and those estimated through video analysis, by a team of three expert ergonomists. Tests have been conducted in standardized laboratory conditions and involved a total of six subjects. Results suggest that the proposed system can predict angles with good consistency and give evidence about the tool's usefulness for ergonomist.
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