Multiscale Hybrid Nonlocal Means Filtering Using Modified Similarity Measure

Table 3

PSNR comparison of the proposed and various state-of-the-art algorithms for color images.

Image		BM3D	NL-Bayes	NLM	MHNLM
Lena	10	35.22	35.26	34.77	34.52
	15	33.94	33.75	33.15	33.15
	20	33.02	32.95	31.92	32.18
	25	32.27	32.08	30.96	31.48
	50	29.88	29.89	27.89	28.41
House	10	36.23	35.82	35.22	35.02
	15	34.85	34.90	33.75	33.55
	20	33.84	33.28	32.55	32.55
	25	33.03	32.42	31.44	31.84
	50	30.47	30.20	27.50	28.33
Peppers	10	33.78	33.92	33.74	33.20
	15	32.60	32.60	32.28	32.27
	20	31.83	31.84	31.24	31.27
	25	31.20	31.10	30.35	30.66
	50	28.93	28.98	27.14	28.02