Smart Switching Bilateral Filter with Estimated Noise Characterization for Mixed Noise Removal

Table 7

PSNR comparison of NCSR, BM3D, TF, SBF, OSBF, and SSBF for image that is corrupted Gaussian noise mixed with salt-and-pepper noise.

Level	NCSR	BM3D	TF	SBF	OSBF	SSBF
1	22.54	16.35	22.46	20.83	27.21	24.55
2	18.49	14.33	20.22	20.62	25.22	23.55
3	16.41	13.06	17.25	20.12	23.50	22.11
4	15.01	12.08	14.61	19.05	21.50	20.10
5	22.77	13.44	19.34	19.04	24.50	23.96
6	18.60	12.46	16.53	18.44	23.00	22.60
7	16.47	12.10	14.67	17.54	22.00	21.52
8	15.04	11.13	12.36	16.26	21.40	20.40
9	22.82	11.87	17.34	17.66	23.80	22.83
10	18.63	11.31	14.63	16.93	22.50	21.85
11	16.49	10.84	12.53	15.84	21.30	20.91
12	15.05	10.43	11.14	14.66	20.20	19.10
13	22.85	10.87	15.97	16.75	23.60	22.89
14	18.65	10.50	14.00	15.85	22.50	21.89
15	16.50	10.20	11.51	14.77	21.40	20.46
16	15.06	09.92	10.43	13.61	19.70	18.65