Quality Variation Control for Three-Dimensional Wavelet-Based Video Coders

被引：0
|
作者：
Vidhya Seran
LisimachosP Kondi
机构：
[1] State University of New York at Buffalo,Department of Electrical Engineering
来源：
EURASIP Journal on Image and Video Processing | / 2007卷
关键词：
Image Processing; Variation Control; Pattern Recognition; Computer Vision; Quality Variation;
D O I：
暂无
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学科分类号：
摘要：
The fluctuation of quality in time is a problem that exists in motion-compensated-temporal-filtering (MCTF-) based video coding. The goal of this paper is to design a solution for overcoming the distortion fluctuation challenges faced by wavelet-based video coders. We propose a new technique for determining the number of bits to be allocated to each temporal subband in order to minimize the fluctuation in the quality of the reconstructed video. Also, the wavelet filter properties are explored to design suitable scaling coefficients with the objective of smoothening the temporal PSNR. The biorthogonal 5/3 wavelet filter is considered in this paper and experimental results are presented for 2D+t and t+2D MCTF wavelet coders.
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