Result summary table

method grain psnr
Distance-Based 20 38.0661
Shape-Graph G2 50 41.4004
Pre-order CLa*b* (MP) 500 40.5533
Pre-order CLa*b* (NC) 0 36.2963
Pre-order CLa*b* (Pmean) 500 41.1031
Order Lex 10 36.9363
Pre-order LHLS (MP) 500 40.7504
Pre-order LHLS (NC) 20 37.0624
Pre-order LHLS (Pmean) 500 41.3497
Pre-order LLa*b* (MP) 400 40.6300
Pre-order LLa*b* (NC) 15 36.9141
Pre-order LLa*b* (Pmean) 200 41.3952
Pre-order Brightness (MP) 500 40.8279
Pre-order Brightness (NC) 100 37.1029
Pre-order Brightness (Pmean) 500 41.5405

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 munsell1_ph-ulm with grain of size 20. PSNR = 38.0661.
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Shape-Graph G2 on munsell1_ph-ulm with grain of size 50. PSNR = 41.4004.
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Pre-order CLa*b* (MP) on munsell1_ph-ulm with grain of size 500. PSNR = 40.5533.
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Pre-order CLa*b* (NC) on munsell1_ph-ulm with grain of size 0. PSNR = 36.2963.
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Pre-order CLa*b* (Pmean) on munsell1_ph-ulm with grain of size 500. PSNR = 41.1031.
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Order Lex on munsell1_ph-ulm with grain of size 10. PSNR = 36.9363.
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Pre-order LHLS (MP) on munsell1_ph-ulm with grain of size 500. PSNR = 40.7504.
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Pre-order LHLS (NC) on munsell1_ph-ulm with grain of size 20. PSNR = 37.0624.
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Pre-order LHLS (Pmean) on munsell1_ph-ulm with grain of size 500. PSNR = 41.3497.
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Pre-order LLa*b* (MP) on munsell1_ph-ulm with grain of size 400. PSNR = 40.63.
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Pre-order LLa*b* (NC) on munsell1_ph-ulm with grain of size 15. PSNR = 36.9141.
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Pre-order LLa*b* (Pmean) on munsell1_ph-ulm with grain of size 200. PSNR = 41.3952.
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Pre-order Brightness (MP) on munsell1_ph-ulm with grain of size 500. PSNR = 40.8279.
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Pre-order Brightness (NC) on munsell1_ph-ulm with grain of size 100. PSNR = 37.1029.
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Pre-order Brightness (Pmean) on munsell1_ph-ulm with grain of size 500. PSNR = 41.5405.
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