A QUALITY PREDICTION MODEL FOR JPEG2000-BASED COLOR IMAGES

被引：0
|
作者：
Li, Ling [1 ]
Wang, Zhensong [1 ]
机构：
[1] Inst Comp Technol, Beijing, Peoples R China
来源：
2009 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1- 8, PROCEEDINGS | 2009年
关键词：
Quality prediction; JPEG2000; image activity measure;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A quality prediction model is proposed for color images coded with JPEG2000. This model estimates the quality (PSNR) of a color image at a given compression ratio without coding. The image activity measure as the image feature and compression ratio are taken as the input of the model. Experimental results show that the prediction error is less than 1dB for more than 75% images, and less than 2dB for over 95% images. The computation of the prediction process is much lower than that of the compression and quality calculation.
引用
收藏
页码：1013 / 1016
页数：4
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