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Could early visual processes be sufficient to label motions?

Ivan Dimov 1 Pierre Kornprobst Thierry Viéville
1 ODYSSEE - Computer and biological vision
DI-ENS - Département d'informatique - ENS Paris, CRISAM - Inria Sophia Antipolis - Méditerranée , ENS-PSL - École normale supérieure - Paris, Inria Paris-Rocquencourt, ENPC - École des Ponts ParisTech
Abstract : Biological motion recognition refers to our ability to recognize a scene (motion or movement) based on the evolution of a limited number of points acquired for instance with a motion capture tool. Much work has been done in this direction showing how it is possible to recognize actions based on these points. Following the reference work of Giese and Poggio (giese-poggio:03), we propose an approach to extract such points from a video based on spiking neural networks with rank order coding. Using this estimated set of points, we verify that correct biological motion classification can be perfomed. We use some recent results of Thorpe et al. (rullen-thorpe:01,thorpe-fabre-thorpe:01,delorme-perrinet-etal:01) who claim that the neural information is coded by the relative order in which these neurons fire. This allows to select a limited set of relevant points to be used in the motion classification. Several experiments and comparisons with previous neurological work and models are proposed. The result of these simulations show that information from early visual processes appears to be sufficient to classify biological motion.
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Submitted on : Friday, May 19, 2006 - 9:33:22 PM
Last modification on : Thursday, March 17, 2022 - 10:08:32 AM
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  • HAL Id : inria-00070758, version 1



Ivan Dimov, Pierre Kornprobst, Thierry Viéville. Could early visual processes be sufficient to label motions?. RR-5240, INRIA. 2004, pp.35. ⟨inria-00070758⟩



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