What is the Maximum PSNR and SSIM values for HR images ?
Hello,
I would like to be clarified on this. Are there targeted or maximum ranges in values of PSNR and SSIM for High resolution (HR) images ? If yes, what are these values?
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Based on my basic undestanding, to calculate the PSNR and SSIM, you require of two images-
First Image 1, which is orginal degrded/compressed image and Image 2, whcich is reconstructed from image 1.
Although a higher PSNR generally indicates the reconstruction method is of higher quality, its having some dB value like, more than 20 dB is acceptable (Again it is varried in different cases), I dont think, there is any sepecific values of PSNR, its depends with type of problem.
On the other hand, Structural SIMilarity (SSIM) index is a method for measuring the similarity between two images.
The SSIM values ranges between 0 to 1, 1 means perfect match the reconstruct image with original one….
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