EURASIP Journal on Advances in Signal Processing

Table 1 Noise model parameters estimated from the whole test picture

From: Unsupervised estimation of signal-dependent CCD camera noise

	$σ_{u}^{2}$	$σ_{w}^{2}$	PN%	CD	SNR_dB	${SNR}_{dB}^{″}$
Step 1
B	0.173	8.96	49	0.90	24.41	28.76
G1	0.033	18.77	17	0.08	29.85	32.14
G2	0.036	17.22	20	0.09	30.09	32.35
R	0.104	11.71	33	0.56	26.81	30.08
Step 2
B	3.435	1985.8	58	0.91	24.23	28.65
G1	2.959	2417.4	72	0.84	29.54	32.53
G2	3.149	2044.0	76	0.90	29.51	32.54
R	2.973	2032.7	63	0.94	26.48	30.06
Step 3
B	1.252	1035.6	49	0.96	27.88	29.19
G	1.944	1276.1	76	0.83	31.59	34.27
R	1.124	870.1	61	0.83	30.48	31.76

CD ranges in [0,1] and measures the alignment of scatter-points. PN% is the percentage of photon noise in the total amount. SNR’ is SNR calculated after LMMSE denoising tailored on noise model parameters.

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