Performance of lossy compression algorithms from statistical andperceptual metrics
Shuyu Yang; Xiaoxi Zhang; Sunanda Mitra
Computer-Based Medical Systems, 1999. Proceedings. 12th IEEE Symposium on
Volume , Issue , 1999 Page(s):242 - 247
Digital Object Identifier   10.1109/CBMS.1999.781280
Summary:The performance of compression algorithms is traditionally evaluated by statistical metrics such as mean square error (MSE) and peak signal-to-noise ratio (PSNR). However it is well known that these metrics do not always correlate with visual perception. We have implemented a well known perceptual metric and evaluated the performance of a number of recently developed high fidelity compression algorithms using perceptual as well as statistical metrics. Our preliminary results do not indicate a consistent correlation between the perceptual metric used and subjective ranking

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