Result summary table

method grain psnr
Distance-Based 8 38.1734
Shape-Graph G2 30 40.4579
Pre-order CLa*b* (MP) 100 37.9609
Pre-order CLa*b* (NC) 2 36.9903
Pre-order CLa*b* (Pmean) 100 37.9860
Order Lex 30 37.6471
Pre-order LHLS (MP) 100 39.0768
Pre-order LHLS (NC) 4 37.2400
Pre-order LHLS (Pmean) 100 39.5617
Pre-order LLa*b* (MP) 100 39.2378
Pre-order LLa*b* (NC) 7 37.3029
Pre-order LLa*b* (Pmean) 100 39.7184
Pre-order Brightness (MP) 100 39.2872
Pre-order Brightness (NC) 5 37.2604
Pre-order Brightness (Pmean) 100 39.8480

Tests images

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Original Image enlarge
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Image with noise corruption. enlarge

Result images

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Distance-Based on nightshot_iso_1600 with grain of size 8. PSNR = 38.1734.
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Shape-Graph G2 on nightshot_iso_1600 with grain of size 30. PSNR = 40.4579.
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Pre-order CLa*b* (MP) on nightshot_iso_1600 with grain of size 100. PSNR = 37.9609.
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Pre-order CLa*b* (NC) on nightshot_iso_1600 with grain of size 2. PSNR = 36.9903.
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Pre-order CLa*b* (Pmean) on nightshot_iso_1600 with grain of size 100. PSNR = 37.986.
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Order Lex on nightshot_iso_1600 with grain of size 30. PSNR = 37.6471.
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Pre-order LHLS (MP) on nightshot_iso_1600 with grain of size 100. PSNR = 39.0768.
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Pre-order LHLS (NC) on nightshot_iso_1600 with grain of size 4. PSNR = 37.24.
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Pre-order LHLS (Pmean) on nightshot_iso_1600 with grain of size 100. PSNR = 39.5617.
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Pre-order LLa*b* (MP) on nightshot_iso_1600 with grain of size 100. PSNR = 39.2378.
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Pre-order LLa*b* (NC) on nightshot_iso_1600 with grain of size 7. PSNR = 37.3029.
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Pre-order LLa*b* (Pmean) on nightshot_iso_1600 with grain of size 100. PSNR = 39.7184.
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Pre-order Brightness (MP) on nightshot_iso_1600 with grain of size 100. PSNR = 39.2872.
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Pre-order Brightness (NC) on nightshot_iso_1600 with grain of size 5. PSNR = 37.2604.
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Pre-order Brightness (Pmean) on nightshot_iso_1600 with grain of size 100. PSNR = 39.848.
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