From: Chroma Noise Reduction in DCT Domain Using Soft-Thresholding
PSNR (dB) | |||||||||
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Noise amount |
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Image | DCT CNR | CB | Dfine | DCT CNR | CB | Dfine | DCT CNR | CB | Dfine |
Lena | 30.53 | 30.49 | 29.76 | 29.88 | 29.91 | 29.85 | 28.98 | 29.05 | 29.28 |
Baboon | 26.24 | 26.25 | 25.46 | 26.00 | 26.03 | 25.05 | 25.73 | 25.76 | 24.98 |
Fruits | 31.86 | 31.61 | 31.58 | 30.86 | 30.62 | 30.88 | 29.64 | 29.42 | 29.85 |
Girl | 32.93 | 31.98 | 32.87 | 31.82 | 31.66 | 32.16 | 30.23 | 29.87 | 30.80 |
Ship | 35.50 | 35.45 | 35.44 | 33.96 | 34.12 | 34.66 | 32.00 | 32.25 | 33.68 |
Cat | 30.94 | 30.94 | 29.75 | 30.18 | 30.18 | 30.02 | 29.23 | 29.24 | 28.16 |
Dogs | 36.96 | 36.89 | 36.96 | 35.11 | 34.97 | 36.48 | 32.92 | 33.21 | 35.25 |
Flowers | 32.30 | 32.08 | 32.04 | 31.40 | 31.20 | 31.81 | 30.35 | 30.14 | 30.87 |
Sea | 29.98 | 30.04 | 29.90 | 28.98 | 29.06 | 29.07 | 27.95 | 28.04 | 28.08 |
Parrot | 35.50 | 35.32 | 35.73 | 33.86 | 33.61 | 34.84 | 32.09 | 31.72 | 33.44 |
Average | 32.27 | 32.11 | 31.95 | 31.21 | 31.14 | 31.48 | 29.91 | 29.87 | 30.44 |