Reaction–diffusion algorithm for stereo disparity detection

Authors:
Atsushi Nomura;Makoto Ichikawa;Hidetoshi Miike
Affiliations:
Yamaguchi University, Faculty of Education, Yoshida 1677-1, 753-8513, Yamaguchi, Japan;Yamaguchi University, Graduate School of Science and Engineering, Tokiwadai 2-16-1, 755-8611, Ube, Japan;Yamaguchi University, Graduate School of Science and Engineering, Tokiwadai 2-16-1, 755-8611, Ube, Japan
Venue:
Machine Vision and Applications
Year:
2009

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Abstract

The present paper proposes a novel stereo algorithm utilizing multi-sets of reaction–diffusion equations. The problem of detecting a stereo disparity map becomes the segmentation problem, in which the uniqueness assumption and the continuity assumption on disparity distribution are taken into account. A set of reaction–diffusion equations realizes the continuity assumption, while a mutual-inhibition mechanism among the multi-sets realizes the uniqueness one. In addition, each set of equations has a self-inhibition mechanism, which is necessary for the reaction-diffusion equations applied to stereo disparity detection. Performance of the proposed algorithm is evaluated for well-known test stereo images.