Supplementary Material for IEEE Transactions on Image Processing

Linear Demosaicing inspired by the Human Visual System

	Bilinear	Hue Based	Gradient Based	Alternating projection 1	Alternating projection 2	Frequency Selection
Lighthouse	25.44	27.04	31.5	32.33	35.26	33.75
Time	1	1.70	49.59	28.34	32.64	2.30
Sails	28.43	29.91	34.37	34.89	36.92	35.72
Time	1	1.65	48.21	28.34	32.47	2.30
Statue	28.36	29.66	32.78	35.86	37.65	37.53
Time	1	1.34	48.21	29.75	33.94	2.41
Window	27.96	29.60	31.46	34.76	35.40	34.79
Time	1	1.31	48.87	27.99	32.08	2.31

Table 2: Comparison of CPSNR and computation time between different demosaicing algorithms. The same frequency selection filter (Figure 4-b) is used for all images.