Optical Coherence Tomography Noise Reduction Using Anisotropic Local Bivariate Gaussian Mixture Prior in 3D Complex Wavelet Domain

Table 1

The results of MSNR and CNR using several ROIs, shown in Figure 12.

Methods			MSNRROI1	MSNRROI2	CNR
Local (L); Nonlocal (NL)	Homomorphic (H) Nonhomomorphic (NH)	Gaussian noise (G); Two-sided Rayleigh noise (R)
L	H	G	7.00	15.76	8.76
NL	H	G	7.56	17.03	9.47
L	NH	G	12.27	27.76	13.49
NL	NH	G	10.77	22.73	11.95
L	H	R	5.89	13.11	7.22
NL	H	R	8.63	19.59	10.95
L	NH	R	10.75	22.55	11.81
NL	NH	R	10.88	23.05	12.17
	Original image		2.56	5.30	2.74