An Improved Image Denoising Model Based on Nonlocal Means Filter

Table 1

PSNR values of noisy images and denoised images.

Images			PSNR values
			noisy image	NLM	NLM2	INLM
Cameraman	13.04	8.37	28.15	31.50	30.40	32.05
Lena	12.25	8.37	28.15	32.89	31.96	32.77
Barbara	13.42	10.00	28.14	30.79	29.97	31.33
1.1.10	10.49	8.37	28.14	30.70	29.77	31.01
1.1.11	9.49	7.07	28.14	29.97	29.03	30.32
1.1.12	9.49	6.32	28.14	29.79	28.83	30.29
1.1.13	11.40	8.94	28.13	30.04	28.96	30.58
1.3.01	11.83	8.94	28.14	30.68	29.91	31.10
1.3.02	10.49	7.07	28.14	31.11	30.42	31.29
1.4.02	10.49	8.37	28.09	32.11	31.48	32.33
1.5.03	10.49	7.07	28.13	30.87	30.04	31.15