Systolic Realization of Cyclic Wavelet Transforms and Cyclic Wavelet Packet Transforms (Special Section on Digital Signal Processing)
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概要
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Two drawbacks of pyramidal wavelet transforms for finite-length sequences are the lack of conservation of the support and the boundary effect. In this letter, the structure of cyclic wavelet transforms (CWT) is used to permute the input and output data to map them into a linear array. Systolic realization of cyclic wavelet packet transforms (CWPT) is also presented to adequately deal with finite-length sequences which have dominant information on high or median frequency channels. The VLSI architectures designed in this letter are very attractive because adaptive processing can be achieved by just programming the filter coefficients.
- 社団法人電子情報通信学会の論文
- 1996-08-25
著者
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Wang J.
Department Of Materials Science And Engineering National Dong Hwa University
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Chen C.
Department Of Aeronautics And Astronautics National Cheng-kung University
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Chen C.
Department Of Electrical Engineering National Cheng Kung University
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