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Table 1 Reconstruction performance in PSNR with various noise levels

From: Analysis and processing of pixel binning for color image sensor

Noise (σ n ) Color LR-CFA HR-CFA HR-CFA + binning
   [19] [19] + DS PO + [19] K + [19] K + Proposed
0.000 R 48.1787 51.4671 45.2485 45.3275 47.8061
  G 51.8147 54.7110 46.5344 47.1429 48.6259
  B 46.5116 50.9532 43.6715 44.5752 45.5689
0.005 R 47.1788 46.5149 44.6596 44.7572 46.8994
  G 50.1223 48.5953 46.3633 41.5903 47.6607
  B 45.6221 45.2237 43.1426 43.9331 44.6091
0.010 R 45.4430 42.1931 43.4914 43.5929 45.2686
  G 47.6553 43.9223 44.5383 44.9318 45.9540
  B 44.0420 40.7293 42.0733 42.7001 42.9732
0.015 R 43.7677 39.1858 42.2368 42.3349 43.6632
  G 45.5264 40.7919 4.18183 43.4857 44.3119
  B 42.4968 37.6716 40.9172 41.4211 41.3987
0.020 R 42.2672 36.9118 41.0434 41.1293 42.2202
  G 43.7388 38.4621 41.9128 42.1503 42.8488
  B 41.0955 35.3795 39.8064 40,2189 39.9910
0.025 R 40.9430 35.0944 39.9375 40.0160 40.9391
  G 42.2200 36.6133 40.7530 40.9454 41.5568
  B 39.8450 33.5524 38.7712 39.1164 38.7417
0.030 R 39.7693 33.5816 38.9267 38.9959 39.7997
  G 40.9107 35.0803.9327 39.7008 39.8595 40.4102
  B 38.7310 32.0235.3426 37.8168 38.1076 37.6279
  1. Demosaicking method used for comparison is that of [19]. Here, LR low resolution, HR high resolution, DS downsample, PO PhaseOne [5], K Kodak PIXELUX [7] (assumes pixel range [0,1]).