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Analyzing looming motion components from their spatiotemporal spectral signature | IEEE Journals & Magazine | IEEE Xplore

Analyzing looming motion components from their spatiotemporal spectral signature


Abstract:

This paper addresses the use of spatio-temporal transform methods applied to the analysis of dynamic image sequences and the characterization of image motion. The image m...Show More

Abstract:

This paper addresses the use of spatio-temporal transform methods applied to the analysis of dynamic image sequences and the characterization of image motion. The image motion including a divergent component (resulting from a looming camera component) is analyzed in the spatio-temporal Mellin transform (MT) domain, resulting in the separation of the spectrum into two parts: a structural term corresponding to the spatial MT of the static image, and a kinematic term depending on time-to-collision (a motion support). We examine potential applications of this property for the recovery of image motion from integral image brightness measurements and the computation of time-to-collision using spatio-temporal MT analysis.
Page(s): 1029 - 1033
Date of Publication: 06 August 2002

ISSN Information:


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