EURASIP Journal on Image and Video Processing

Table 7 Estimation accuracy comparison between conventional algorithm and proposed method with Laplacian sharpening for different demosaicing methods (unit %). Block size fixed to 256 × 256

From: Estimation of Bayer CFA pattern configuration based on singular value decomposition

Demosaicing method		Laplacian sharpening (α)
Demosaicing method		0.1	0.2	0.3	0.4	0.5	Average
Bilinear	[25]	100.00	100.00	100.00	100.00	100.00	100.00
Bilinear	Proposed	100.00	100.00	100.00	100.00	100.00	100.00
AHD	[25]	58.64	59.46	60.14	61.70	63.61	60.71
AHD	Proposed	99.05	99.05	98.84	98.57	98.37	98.37
VNG	[25]	73.73	71.97	70.61	70.07	69.25	71.01
VNG	Proposed	99.66	99.66	99.73	99.73	99.86	99.73
AMaZE	[25]	92.04	91.63	90.61	89.73	88.50	90.50
AMaZE	Proposed	98.98	99.05	98.98	98.91	98.73	98.94
DCB	[25]	99.86	99.86	99.86	99.86	99.86	99.86
DCB	Proposed	99.93	99.93	99.93	99.93	99.93	99.93
IGV	[25]	68.44	67.01	64.42	61.16	56.60	63.53
IGV	Proposed	92.11	91.90	91.56	91.09	90.48	91.43
LMMSE	[25]	76.46	77.35	78.64	79.32	80.00	78.35
LMMSE	Proposed	43.54	48.84	56.60	65.71	74.01	57.74
HPDH	[25]	46.19	47.62	48.57	50.41	50.82	48.72
HPDH	Proposed	96.73	96.60	96.67	96.73	97.07	96.76
Average	[25]	76.85	76.86	76.61	76.53	76.08
Average	Proposed	91.25	91.88	92.79	93.84	94.81

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