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http://hdl.handle.net/10397/1517
| Title: | New 2ⁿ discrete cosine transform algorithm using recursive filter structure | Authors: | Siu, WC Chan, YH Chau, LP |
Issue Date: | 1995 | Source: | ICASSP : The 1995 International Conference on Acoustics, Speech and Signal Processing : conference proceedings : May 9-12, 1995, Detroit, Michigan, U.S.A., v. 2, p. 1169-1172 | Abstract: | It is always desirable to look for more efficient algorithms for the realization of the discrete cosine transform (DCT). In this paper, we generalize a formulation for converting a length-2ⁿ DCT into n groups of equations, then apply a novel technique for its implementation. The sizes of the groups are 2[sup m], for m = n-1, ...., 0. While their structures are extremely regular. The realization can then be converted into the simplest recursive filter form, which is of particularly simple for practical implementation. | Keywords: | Algorithms Binary sequences Calculations Computational complexity Electric filters Mathematical models Mathematical transformations Numerical analysis Recursive functions Statistical methods Computational methods Digital signal processing Functions Numerical methods |
Publisher: | IEEE | ISBN: | 0-7803-2431-5 | Rights: | © 1995 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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| Recursive Filter Structure_95.pdf | 284.85 kB | Adobe PDF | View/Open |
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