Evaluation of video quality by CWSSIM method

被引：0
|
作者：
Chen, Yu-Ta [1 ]
Hsu, Shau-Wei [2 ]
Pong, Bao-Jen [2 ]
Mang Ou-Yang [3 ]
机构：
[1] Natl Cent Univ, Dept Opt & Photon, Taipei, Taiwan
[2] Ctr Measurement Stand, Ind Technol Res Inst, Hsinchu, Taiwan
[3] Natl Chiao Tung Univ, Inst Elect & Control Engn, Hsinchu, Taiwan
来源：
MATHEMATICS OF DATA/IMAGE CODING, COMPRESSION, AND ENCRYPTION WITH APPLICATIONS XII | 2010年 / 7799卷
关键词：
Evaluation factors; image quality; objective metrics; CWSSIM; STRUCTURAL SIMILARITY;
D O I：
10.1117/12.860391
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Several estimative factors of image quality have been developed for approaching the human perception objectively(1-3). We propose to take systematically distorted videos into the estimative factors and analyze the relationship between them. Several types of noise and noise weight were took into COSME standard video and verified the image quality estimative factors which were MSE (Mean Square Error). SSIM (Structural SIMilarity). CWSSIM (Complex Wavelet SSIM). PQR (Picture Quality Ratings) and DVQ (Digital Video Quality). The noise includes white noise, blur and luminance. etc. In the results, CWSSIM index has higher sensitivity at image structure and it could estimate the distorted videos which have the same noise type at the different levels. PQR is similar to CWSSIM, but the ratings of distribution were banded together; SSIM index divides the noise types into two groups and DVQ has linear relationship with MSE in the logarithmic scale.
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收藏
页数：7
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