A MODEFIED METHOD OF ADAPTIVE SPACE-FILLING CODING (Image Processing and Coding)(International Workshop On Advanced Image Technology (IWAIT2004))
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概要
- 論文の詳細を見る
This paper describes a new method of adaptive space filling coding. One-dimensional (1-D) pixel data along with a space filling scanning can be generated adaptively from an original image by the conventional method. Because the scanning path is irregular, encoding cost for the scanning path information becomes expensive. This paper presents an algorithm for encoding scanning path information. Through the construction of a minimum spanning tree (MST) to represent the scanning path, absolute sum of difference between adjacent small blocks is evaluated. Context of the image selectively changes in accordance with this evaluation in order to generate Hilbert tree as a regular tree in flat region. Reduction of this scanning path information can be achieved. It is sufficient for describing the MST to encode the difference between the MST and the regular tree. Our experiment results show that the proposed method is efficient.
- 社団法人電子情報通信学会の論文
- 2004-01-05
著者
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Kamata Sei-ichiro
Dept. Of Electrical Electronics And Computer Engineering Kyushu Institute Of Technology
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Kamata Sei-ichiro
Graduate School Of Information Production And System Waseda University
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Ueshige Yoshifumi
Kitakyushu Foundation For The Advancement Of Industry Science And Technology
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Hiratsuka Sei-ichiro
Fukuoka Industry Science & Technology Foundation
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Hiratsuka Sei-ichiro
Fukuoka Industry Science & Technology Foundation
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