VISUALLY LOSSLESS JPEG2000 AT FRACTIONAL RESOLUTIONS

被引：0
作者：
Oh, Han [1 ]
Bilgin, Ali [1 ]
Marcellin, Michael W. [1 ]
机构：
[1] Univ Arizona, Dept Elect & Comp Engn, Tucson, AZ 85721 USA
来源：
2011 18TH IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP) | 2011年
关键词：
Visually lossless coding; JPEG2000; visibility threshold; scalability; JPIP; PERCEPTUAL-DISTORTION CONTROL; QUANTIZATION; COMPRESSION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
JPEG2000 images with K wavelet decomposition levels inherently support K + 1 spatial resolutions. Other resolutions can be obtained through resampling adjacent native resolution images. In this paper, we propose a method of encoding images that can be decoded at arbitrary resolutions in a visually lossless manner with minimum bitrates. To achieve this, visibility thresholds for resampled quantization distortions are studied, and a technique of applying thresholds that vary with the display resolution is introduced.
引用
收藏
页码：309 / 312
页数：4
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