Journal
NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION
Volume 23, Issue 1-2, Pages 69-89Publisher
TAYLOR & FRANCIS INC
DOI: 10.1081/NFA-120004011
Keywords
optical flow; calculus of variations; quasiconvex functionals; functions of bounded variation and deformation
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In image sequence analysis, variational optical flow computations require the solution of a parameter dependent optimization problem with a data term and a regularizer. In this paper we study existence and uniqueness of the optimizers. Our studies rely on quasiconvex functionals on the spaces W(1,p)(Omega, R(d)), with p > 1, BV(Omega, R(d)), BD(Omega). The methods that are covered by our results include several existing techniques. Experiments are presented that illustrate the behavior of these approaches.
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