Toward an Affordable and User-Friendly Visual Motion Capture System

Vincent Bonnet 1, * Nahéma Sylla 2, 3 Andrea Cherubini 3 Alejandro González 4 Christine Azevedo Coste 4 Philippe Fraisse 4 Gentiane Venture 1
* Corresponding author
1 LABLAB - Laboratory of Locomotor Apparatus Bioengineering
2 PSA - PSA Peugeot - Citroën
3 IDH - Interactive Digital Humans
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
4 CAMIN - Control of Artificial Movement and Intuitive Neuroprosthesis
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : The present study aims at designing and evaluating a low-cost, simple and portable system for arm joint angle estimation during grasping-like motions. The system is based on a single RGB-D camera and three customized markers. The automatically detected and tracked marker positions were used as inputs to an offline inverse kinematic process based on bio-mechanical constraints to reduce noise effect and handle marker occlusion. The method was validated on 4 subjects with different motions. The joint angles were estimated both with the proposed low-cost system and, a stereophotogrammetric system. Comparative analysis shows good accuracy with high correlation coefficient (r= 0.92) and low average RMS error (3.8 deg).
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Conference papers
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-01006396
Contributor : Christine Azevedo Coste <>
Submitted on : Monday, June 16, 2014 - 8:40:59 AM
Last modification on : Friday, April 12, 2019 - 5:20:05 PM

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INRIA | IDH | LIRMM | MIPS | UNIV-MONTPELLIER | CAMIN

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Vincent Bonnet, Nahéma Sylla, Andrea Cherubini, Alejandro González, Christine Azevedo Coste, et al.. Toward an Affordable and User-Friendly Visual Motion Capture System. EMBC: Engineering in Medicine and Biology Conference, Aug 2014, Chicago, Illinois, United States. pp.4985-4988, ⟨10.1109/EMBC.2014.6944410⟩. ⟨lirmm-01006396⟩

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