期刊
ELECTRONICS LETTERS
卷 44, 期 13, 页码 800-U35出版社
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el:20080522
关键词
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Experimental data are presented that clearly demonstrate the scope of application of peak signal-to-noise ratio (PSNR) as a video quality metric. It is shown that as long as the video content and the codec type are not changed, PSNR is a valid quality measure. However, when the content is changed, correlation between subjective quality and PSNR is highly reduced. Hence PSNR cannot be a reliable method for assessing the video quality across different video contents.
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