ORBi: Pierard Sébastien - A new low-cost and non-intrusive feet tracker

Reference : A new low-cost and non-intrusive feet tracker


	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/2268/101296

Title :	A new low-cost and non-intrusive feet tracker
Language :	English
Author, co-author :	Pierard, Sébastien [Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Télécommunications >]
	PHAN BA, Remy [Centre Hospitalier Universitaire de Liège - CHU > > Neurologie Sart Tilman >]
	Van Droogenbroeck, Marc [Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Télécommunications >]
	Belachew, Shibeshih [Université de Liège - ULg > Département des sciences cliniques > Neurologie >]
Publication date :	Nov-2011
Main document title :	Workshop on Circuits, Systems and Signal Processing (ProRISC)
Pages :	382-387
Peer reviewed :	No
On invitation :	No
Audience :	International
Event name :	Workshop on Circuits, Systems and Signal Processing (ProRISC)
Event date :	11-2011
Event place (city) :	Veldhoven
Event country :	The Netherlands
Keywords :	[en] gait ; gait analysis ; gait recogntion ; multiple sclerosis ; range laser
Abstract :	[en] Capturing gait is useful for many applications, including video-surveillance and medical purposes. The most common sensors used to capture gait suffer from significant drawbacks. We have therefore designed a new low-cost and nonintrusive system to capture gait. Our system is able to track the feet on the horizontal plane in both the stance and the swing phases by combining measures of several range laser scanners. The number of sensors can be adjusted according to the target application specifications. The first issue addressed in this work is the calibration: we have to know the precise location of the sensors in a plane, and their orientations. The second issue addressed is how to calculate feet coordinates from the distance profiles given by the sensors. Our method has proven to be robust and precise to measure gait abnormalities in various medical conditions, especially neurological diseases (with a focus on multiple sclerosis).
Research units :	INTELSIG
Target :	Researchers ; Professionals ; General public
Permalink :	http://hdl.handle.net/2268/101296
	also: http://hdl.handle.net/2268/128907
Other URL :	http://www.ulg.ac.be/telecom/vgaims

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	File	Commentary	Version	Size	Access
Open access	Pierard2011ANewLostCost.pdf	A new low-cost and non-intrusive feet tracke	Author postprint	1.8 MB	View/Open

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