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Paper Abstract and Keywords
Presentation 2005-09-16 15:35
Wavelet-Based Lossless Image Coding Using a Complex Allpass Filter
Noriaki Fukuda (Nagaoka Univ. of Tech.), Xi Zhang (Univ. of Electro-Comm.), Toshinori Yoshikawa, Yoshinori Takei, Yasunori Sugita (Nagaoka Univ. of Tech.)
Abstract (in Japanese) (See Japanese page) 
(in English) To obtain a better coding performance in wavelet-based image compression, it is necessary for wavelet filter banks to satisfy orthogonality condition and linear phase characteristic. To satisfy these conditions, a class of IIR wavelet filters have been proposed by using a complex allpass filter, and then a better coding performance has been obtained for lossy image coding. In this paper, we propose an effective implementation of reversible wavelet transform by using a complex allpass filter. The experimental results show that the proposed wavelet filters can obtain a comparable lossless performance and a better lossy performance at low bitrate than the conventional wavelets.
Keyword (in Japanese) (See Japanese page) 
(in English) complex allpass filter / reversible wavelet transform / lossless coding / lossy coding / image compression / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 275, CAS2005-45, pp. 67-72, Sept. 2005.
Paper # CAS2005-45 
Date of Issue 2005-09-09 (CAS, NLP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee CAS NLP  
Conference Date 2005-09-15 - 2005-09-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagaoka Univ. of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) general 
Paper Information
Registration To CAS 
Conference Code 2005-09-CAS-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wavelet-Based Lossless Image Coding Using a Complex Allpass Filter 
Sub Title (in English)  
Keyword(1) complex allpass filter  
Keyword(2) reversible wavelet transform  
Keyword(3) lossless coding  
Keyword(4) lossy coding  
Keyword(5) image compression  
1st Author's Name Noriaki Fukuda  
1st Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
2nd Author's Name Xi Zhang  
2nd Author's Affiliation The University of Electro-Communications (Univ. of Electro-Comm.)
3rd Author's Name Toshinori Yoshikawa  
3rd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
4th Author's Name Yoshinori Takei  
4th Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
5th Author's Name Yasunori Sugita  
5th Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
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Date Time 2005-09-16 15:35:00 
Presentation Time 25 
Registration for CAS 
Paper # IEICE-CAS2005-45,IEICE-NLP2005-58 
Volume (vol) IEICE-105 
Number (no) no.275(CAS), no.277(NLP) 
Page pp.67-72 
#Pages IEICE-6 
Date of Issue IEICE-CAS-2005-09-09,IEICE-NLP-2005-09-09 

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