Presentation 2000/9/21
Wavelet-based Image Coding Using Complex Allpass Filters
Seiya KAMIMURA, Xi ZHANG, Toshinori YOSHIKAWA, Yoshinori TAKEI,
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Abstract(in English) In this paper, we apply complex-allpass-based IIR wavelet filters to wavelet-based image coding, and propose an efficient implementation. While FIR wavelet filters cannot satisfy both exactly linear phase and orthogonal conditions, IIR wavelet filters can satisfy by means of complex allpass filters. Thus, a better compression performance can be expected. Also, image coding is actually performed by implemeting the proposed IIR wavelet filters. It is shown from the experimental results that a better coding performance can be obtained, compared with the conventional FIR wavelet filters.
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Keyword(in English) Image Coding / Wavelet / Complex Allpass Filter / IIR Filter
Paper # DSP2000-85,SP2000-51
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Conference Date 2000/9/21(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Wavelet-based Image Coding Using Complex Allpass Filters
Sub Title (in English)
Keyword(1) Image Coding
Keyword(2) Wavelet
Keyword(3) Complex Allpass Filter
Keyword(4) IIR Filter
1st Author's Name Seiya KAMIMURA
1st Author's Affiliation Nagaoka University of Technology()
2nd Author's Name Xi ZHANG
2nd Author's Affiliation Nagaoka University of Technology
3rd Author's Name Toshinori YOSHIKAWA
3rd Author's Affiliation Nagaoka University of Technology
4th Author's Name Yoshinori TAKEI
4th Author's Affiliation Nagaoka University of Technology
Date 2000/9/21
Paper # DSP2000-85,SP2000-51
Volume (vol) vol.100
Number (no) 327
Page pp.pp.-
#Pages 8
Date of Issue