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The Scientific World Journal
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2015
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Article
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Tab 5
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Research Article
A Novel Psychovisual Threshold on Large DCT for Image Compression
Table 5
The average image reconstruction error using 8 × 8 JPEG compression and 256 × 256 JPEG compression using psychovisual threshold for 40 real images and 40 graphical images.
Image measurement
8 × 8 JPEG
compression
256 × 256 JPEG compression
40 real images
40 graphic images
40 real images
40 graphic images
ARE
5.535
5.648
5.074
5.050
MSE
70.964
92.711
51.841
59.625
PSNR
31.190
31.636
32.363
33.421
SSIM
0.956
0.957
0.961
0.960