Result summary table

method grain psnr
Distance-Based 7 37.7724
Shape-Graph G2 30 39.9899
Pre-order CLa*b* (MP) 30 36.5934
Pre-order CLa*b* (NC) 0 36.3645
Pre-order CLa*b* (Pmean) 30 36.5619
Order Lex 7 36.8412
Pre-order LHLS (MP) 50 38.1719
Pre-order LHLS (NC) 4 36.6646
Pre-order LHLS (Pmean) 50 38.6545
Pre-order LLa*b* (MP) 100 38.3516
Pre-order LLa*b* (NC) 4 36.5843
Pre-order LLa*b* (Pmean) 50 38.8374
Pre-order Brightness (MP) 100 38.4318
Pre-order Brightness (NC) 5 36.7187
Pre-order Brightness (Pmean) 50 39.0712

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 hdr with grain of size 7. PSNR = 37.7724.
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Shape-Graph G2 on hdr with grain of size 30. PSNR = 39.9899.
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Pre-order CLa*b* (MP) on hdr with grain of size 30. PSNR = 36.5934.
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Pre-order CLa*b* (NC) on hdr with grain of size 0. PSNR = 36.3645.
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Pre-order CLa*b* (Pmean) on hdr with grain of size 30. PSNR = 36.5619.
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Order Lex on hdr with grain of size 7. PSNR = 36.8412.
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Pre-order LHLS (MP) on hdr with grain of size 50. PSNR = 38.1719.
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Pre-order LHLS (NC) on hdr with grain of size 4. PSNR = 36.6646.
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Pre-order LHLS (Pmean) on hdr with grain of size 50. PSNR = 38.6545.
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Pre-order LLa*b* (MP) on hdr with grain of size 100. PSNR = 38.3516.
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Pre-order LLa*b* (NC) on hdr with grain of size 4. PSNR = 36.5843.
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Pre-order LLa*b* (Pmean) on hdr with grain of size 50. PSNR = 38.8374.
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Pre-order Brightness (MP) on hdr with grain of size 100. PSNR = 38.4318.
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Pre-order Brightness (NC) on hdr with grain of size 5. PSNR = 36.7187.
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Pre-order Brightness (Pmean) on hdr with grain of size 50. PSNR = 39.0712.
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