Result summary table

method grain psnr
Distance-Based 15 39.1808
Shape-Graph G2 50 42.6834
Pre-order CLa*b* (MP) 500 39.6544
Pre-order CLa*b* (NC) 50 37.7515
Pre-order CLa*b* (Pmean) 300 39.8203
Order Lex 2 37.5464
Pre-order LHLS (MP) 400 40.4513
Pre-order LHLS (NC) 15 37.9838
Pre-order LHLS (Pmean) 400 40.8399
Pre-order LLa*b* (MP) 400 40.3291
Pre-order LLa*b* (NC) 10 37.8731
Pre-order LLa*b* (Pmean) 200 40.7130
Pre-order Brightness (MP) 200 40.2550
Pre-order Brightness (NC) 7 37.8647
Pre-order Brightness (Pmean) 200 40.6895

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 elephant_ph-ulm with grain of size 15. PSNR = 39.1808.
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Shape-Graph G2 on elephant_ph-ulm with grain of size 50. PSNR = 42.6834.
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Pre-order CLa*b* (MP) on elephant_ph-ulm with grain of size 500. PSNR = 39.6544.
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Pre-order CLa*b* (NC) on elephant_ph-ulm with grain of size 50. PSNR = 37.7515.
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Pre-order CLa*b* (Pmean) on elephant_ph-ulm with grain of size 300. PSNR = 39.8203.
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Order Lex on elephant_ph-ulm with grain of size 2. PSNR = 37.5464.
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Pre-order LHLS (MP) on elephant_ph-ulm with grain of size 400. PSNR = 40.4513.
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Pre-order LHLS (NC) on elephant_ph-ulm with grain of size 15. PSNR = 37.9838.
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Pre-order LHLS (Pmean) on elephant_ph-ulm with grain of size 400. PSNR = 40.8399.
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Pre-order LLa*b* (MP) on elephant_ph-ulm with grain of size 400. PSNR = 40.3291.
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Pre-order LLa*b* (NC) on elephant_ph-ulm with grain of size 10. PSNR = 37.8731.
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Pre-order LLa*b* (Pmean) on elephant_ph-ulm with grain of size 200. PSNR = 40.713.
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Pre-order Brightness (MP) on elephant_ph-ulm with grain of size 200. PSNR = 40.255.
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Pre-order Brightness (NC) on elephant_ph-ulm with grain of size 7. PSNR = 37.8647.
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Pre-order Brightness (Pmean) on elephant_ph-ulm with grain of size 200. PSNR = 40.6895.
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