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20170008_0130

© Christophe HARGOUES / Institut de la Vision / CNRS Images

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20170008_0130

Participant équipé de marqueurs réfléchissants pour de la capture du mouvement

Participant fitted with reflective markers for motion capture on the Streetlab artificial street, a platform for improving the mobility of visually impaired people. He is in the starting position behind a screen concealing the obstacle avoidance course. The position of the markers is determined by triangulation using a network of infrared cameras. This enables precise measurement of the patient's movements and analysis of his motor behaviour (gait cycle, speed, coordination, etc.). The direction of his gaze is also obtained at each stage by means of an eye tracker, which constantly analyses eye movement. All of the strategies that the patient employs to move about and to avoid obstacles are analysed.

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