Pixelwise Estimation of Signal-Dependent Image Noise Using Deep Residual Learning

Table 2

Standard deviation of error on simulated homogeneous noise (dB).

Dataset	Noise level	Pyatykh [24]	Liu [25]	Chen [7]	DRNE
Kodak (24 images)		0.45	0.30	0.22	0.09
		0.51	0.26	0.15	0.15
		1.00	0.49	0.36	0.30
		1.46	0.67	0.55	0.50
		1.91	0.86	0.75	0.71
		2.31	1.07	0.95	0.96
McMaster (18 images)		0.16	0.10	0.71	0.24
		0.17	0.18	0.28	0.11
		0.52	0.46	0.34	0.32
		0.87	0.76	0.67	0.62
		1.11	1.09	1.03	0.94
		1.35	1.42	1.37	1.28
BSD500 (500 images)		0.77	0.26	0.21	0.07
		1.12	1.31	0.08	0.11
		0.80	0.42	0.22	0.26
		1.25	0.61	0.41	0.47
		1.71	0.85	0.64	0.72
		2.17	1.11	0.91	1.00

Bold fonts denote the best performance and italics denotes the second best performance.