Programming based on 8 × 8 sub-block of the DCT image transform, quantization matrix based on the JPEG quantization and anti-quantitative, based on the 8 × 8 sub-block DCT of the image reconstruction to a 512 × 512,8 bits/as Su-image for the experiment, re-calculation of PSNR.

test3


.....\dctqiq.m
.....\psnr.m
.....\readblock.m

.....\test3_main.asv
.....\test3_main.m
.....\Untitled2.asv
.....\Untitled2.m
.....\writeblock.m

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