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Title: An efficient weight optimization algorithm for image representation using nonorthogonal basis images
Authors: Chan, YH 
Keywords: Image coding
Image representation
Matching pursuits
Nonorthogonal transform
Issue Date: Aug-1998
Publisher: IEEE
Source: IEEE signal processing letters, Aug. 1998, v. 5, no. 8, p. 193-195 How to cite?
Journal: IEEE signal processing letters 
Abstract: Though image coding techniques that employ subsets of nonorthogonal basis images chosen from two or more transform domains have been shown consistently to yield higher image quality than those based on one transform for a fixed compression ratio, they have not been widely employed due to their very high computational complexity of existing realization approaches. This paper presents a new realization approach for mixed-transform image representation. Computational complexity can be greatly reduced compared with existing approaches.
ISSN: 1070-9908
DOI: 10.1109/97.704969
Rights: © 1998 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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