A Multiplicative Noise Removal Approach Based on Partial Differential Equation Model

Table 3

PSNR values obtained with difference algorithm for Lena image.

variance	PSNR(dB)
	Noisy image	TVM	FPDE	MNRA1	MNRA2	MNRA3	MNRA4
0.05	13.6935	25.0739	24.0739	25.4833	25.6347	25.8190	25.7443
0.10	11.4336	22.4860	22.3232	23.9355	24.2382	23.8612	23.9770
0.15	10.2712	20.7197	20.7700	22.7277	23.2101	22.4985	22.7830
0.20	9.5307	19.4144	19.6830	21.6790	22.4667	21.3851	21.7750
0.25	9.0769	18.6046	18.8871	21.0824	21.8927	20.6409	21.0582
0.30	8.6769	17.7913	18.0713	20.3577	21.2616	19.9417	20.3536
0.35	8.4000	17.2305	17.4785	19.8687	20.7377	19.3328	19.7712
0.40	8.1948	16.8051	16.9839	19.5339	20.3135	19.1239	19.4284