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Erschienen in:
1996 | ReviewPaper | Buchkapitel
Non uniform multiresolution method for optical flow computation
verfasst von : Isaac Cohen, Isabelle Herlin
Erschienen in: ICAOS '96
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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In this paper we propose a non uniform multiresolution method defining a new approach for coarse to fine grid generation. It allows to locally increase the resolution of the grid according to the studied problem. Each added node refines the grid in a region of interest and increases the numerical accuracy of the solution in this region. We make use of such a method for solving the optical flow equation with a non quadratic regularization scheme allowing the computation of optical flow field while preserving its discontinuities. This new scheme is used for processing oceanographic and atmospheric image sequences.