Reference : Affine Warp Propagation for Fast Simultaneous Modelling and Tracking of Articulated Obje...

	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Computer science
	To cite this reference:	http://hdl.handle.net/2268/130960

Title :	Affine Warp Propagation for Fast Simultaneous Modelling and Tracking of Articulated Objects
Language :	English
Author, co-author :	Declercq, Arnaud [Université de Liège - ULg > > > Doct. sc. ingé.(élec.& électro. - Bologne)]
	Piater, Justus [> >]
Publication date :	2010
Journal title :	ACCV10
Peer reviewed :	Yes
Audience :	International
Keywords :	[en] Computer vision ; tracking ; propagation scheme
Abstract :	[en] We propose a new framework that allows simultaneous modelling and tracking of articulated objects in real time. We introduce a non-probabilistic graphical model and a new type of message that propagates explicit motion information for realignment of feature constellations across frames. These messages are weighted according to the rigidity of the relations between the source and destination features. We also present a method for learning these weights as well as the spatial relations between connected feature points, automatically identifying deformable and rigid object parts. Our method is extremely fast and allows simultaneous learning and tracking of nonrigid models containing hundreds of feature points with negligible computational overhead.
Funders :	Fonds pour la formation à la Recherche dans l'Industrie et dans l'Agriculture (Communauté française de Belgique) - FRIA
Permalink :	http://hdl.handle.net/2268/130960

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