An investigation of 3D dual-tree wavelet transform for video coding

被引：0
|
作者：
Wang, BB [1 ]
Wang, Y [1 ]
Selesnick, I [1 ]
Vetro, A [1 ]
机构：
[1] Polytech Univ, Dept Elect & Comp Engn, Brooklyn, NY USA
来源：
ICIP: 2004 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOLS 1- 5 | 2004年
关键词：
D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
This paper examines the properties of a recently introduced 3-D dual-tree discrete wavelet transform (DDWT) for video coding. The 3-D DDWT is an attractive video representation because it isolates motion along different directions in separate subbands. However, it is an overcomplete transform with 8:1 redundancy. We examine the effectiveness of the iterative projection-based noise shaping scheme proposed by Kingsbury [3] on reducing the number of coefficients. We also investigate the correlation between subbands at the same spatial/temporal location, both in the significance map and in actual coefficient values.
引用
收藏
页码：1317 / 1320
页数：4
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