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Title: Efficient implementation of discrete cosine transform using recursive filter structure
Authors: Chan, YH 
Chau, LP
Siu, WC 
Keywords: Algorithms
Computational complexity
Data structures
Fourier transforms
Image processing
Recursive functions
Issue Date: Dec-1994
Publisher: IEEE
Source: IEEE transactions on circuits and systems for video technology, Dec. 1994, v. 4, no. 6, p. 550-552 How to cite?
Journal: IEEE transactions on circuits and systems for video technology 
Abstract: In this paper, we generalize a formulation for converting a length-2ⁿ discrete cosine transform into n groups of equations, then apply a novel technique for its implementation. The sizes of the groups are 2[sup n-1], 2[sup n-2],... 2[sup 0] respectively, while their structures are extremely regular. The realization can then be converted into recursive filter form, which is of particularly simple for practical implementation.
ISSN: 1051-8215
DOI: 10.1109/76.340198
Rights: © 1994 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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