Evaluation of a quincunx wavelet filter design approach for quadtree-based embedded image coding

被引：0
|
作者：
Van der Auwera, G [1 ]
Munteanu, A [1 ]
Cornelis, J [1 ]
机构：
[1] Free Univ Brussels, ETRO, IRIS Res Grp, B-1050 Brussels, Belgium
来源：
2000 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOL III, PROCEEDINGS | 2000年
关键词：
D O I：
10.1109/ICIP.2000.899327
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
We study the compression performance of the quincunx discrete wavelet transform (DWT) and we compare it with the dyadic DWT in terms of rate-distortion. The 2D nor-separable quincunx wavelet filters are designed by making use of the 'transformations of variables' technique of Tay & Kingsbury starting from the ID biorthogonal (9,7)-taps filters. The applied transformation functions are respectively based on the Kaiser and Chebyshev windows, and on the Lagrange halfband filters. The novelties of this work are in the evaluation of these filters for image compression and the usage of an embedded coder based on the quadtree approach for coding the quincunx subbands.
引用
收藏
页码：190 / 193
页数：4
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