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Title: A fast two-stage OMP algorithm for coding stereo image residuals
Authors: Cheung, WF
Chan, YH 
Issue Date: 2003
Source: ICIP-2003 : 2003 International Conference on Image Processing : proceedings : September 14-17, 2003, Barcelona, Spain, p. I753-I756
Abstract: Over-complete signal decomposition has been shown to be an efficient technique for coding disparity compensated residual images in stereo image pairs. This paper presents a residual image coding scheme based on a recently proposed MP-based coding scheme called SOSU. The proposed scheme decomposes an orthogonal matching pursuit process into two stages. In different stages, dictionaries of different nature are used. Simulation results show that the proposed scheme can significantly reduce the computation effort while maintaining a similar rate-distortion performance as compared with SOSU.
Keywords: Algorithms
Approximation theory
Computer simulation
Correlation methods
Cosine transforms
Iterative methods
Motion compensation
Problem solving
Publisher: IEEE
ISBN: 0-7803-7750-8
Rights: © 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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