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Vision-based assistance for wheelchair navigation along corridors

François Pasteau 1 Alexandre Krupa 1 Marie Babel 1 
1 Lagadic - Visual servoing in robotics, computer vision, and augmented reality
CRISAM - Inria Sophia Antipolis - Méditerranée , Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
Abstract : In case of motor impairments, steering a wheelchair can become a hazardous task. Typically, along corridors, joystick jerks induced by uncontrolled motions are source of wall collisions. This paper describes a vision based assistance solution for safe indoor semi-autonomous navigation purposes. To this aim, the control process is based on a visual servoing process designed for wall avoidance purposes. As the patient manually drives the wheelchair, a virtual guide is defined to progressively activate an automatic trajectory cor- rection. The proposed solution does not require any knowledge of the environment. Experiments have been conducted over corridors that present different configurations and illumination conditions. Results demonstrate the ability of the system to smoothly and adaptively assist people during their motions.
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Submitted on : Wednesday, February 19, 2014 - 11:36:55 AM
Last modification on : Thursday, January 20, 2022 - 5:30:13 PM
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  • HAL Id : hal-00949188, version 1


François Pasteau, Alexandre Krupa, Marie Babel. Vision-based assistance for wheelchair navigation along corridors. IEEE Int. Conf. on Robotics and Automation, ICRA'14, Jun 2014, Hong-Kong, Hong Kong SAR China. ⟨hal-00949188⟩



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