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http://hdl.handle.net/10397/1497
| 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 Functions 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. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
| Appears in Collections: | Conference Paper |
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| OMP algorithm for coding stereo image residuals_03.pdf | 305.28 kB | Adobe PDF | View/Open |
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