Result summary table

method grain psnr
Distance-Based 15 38.0421
Shape-Graph G2 50 41.2857
Pre-order CLa*b* (MP) 500 40.3324
Pre-order CLa*b* (NC) 0 36.2636
Pre-order CLa*b* (Pmean) 500 40.9046
Order Lex 15 36.8636
Pre-order LHLS (MP) 500 40.6162
Pre-order LHLS (NC) 20 36.9676
Pre-order LHLS (Pmean) 400 41.2388
Pre-order LLa*b* (MP) 300 40.6764
Pre-order LLa*b* (NC) 9 36.8232
Pre-order LLa*b* (Pmean) 200 41.5671
Pre-order Brightness (MP) 500 40.2953
Pre-order Brightness (NC) 10 36.8511
Pre-order Brightness (Pmean) 400 40.9172

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 munsell4_ph-ulm with grain of size 15. PSNR = 38.0421.
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Shape-Graph G2 on munsell4_ph-ulm with grain of size 50. PSNR = 41.2857.
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Pre-order CLa*b* (MP) on munsell4_ph-ulm with grain of size 500. PSNR = 40.3324.
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Pre-order CLa*b* (NC) on munsell4_ph-ulm with grain of size 0. PSNR = 36.2636.
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Pre-order CLa*b* (Pmean) on munsell4_ph-ulm with grain of size 500. PSNR = 40.9046.
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Order Lex on munsell4_ph-ulm with grain of size 15. PSNR = 36.8636.
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Pre-order LHLS (MP) on munsell4_ph-ulm with grain of size 500. PSNR = 40.6162.
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Pre-order LHLS (NC) on munsell4_ph-ulm with grain of size 20. PSNR = 36.9676.
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Pre-order LHLS (Pmean) on munsell4_ph-ulm with grain of size 400. PSNR = 41.2388.
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Pre-order LLa*b* (MP) on munsell4_ph-ulm with grain of size 300. PSNR = 40.6764.
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Pre-order LLa*b* (NC) on munsell4_ph-ulm with grain of size 9. PSNR = 36.8232.
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Pre-order LLa*b* (Pmean) on munsell4_ph-ulm with grain of size 200. PSNR = 41.5671.
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Pre-order Brightness (MP) on munsell4_ph-ulm with grain of size 500. PSNR = 40.2953.
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Pre-order Brightness (NC) on munsell4_ph-ulm with grain of size 10. PSNR = 36.8511.
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Pre-order Brightness (Pmean) on munsell4_ph-ulm with grain of size 400. PSNR = 40.9172.
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