Image Denoising via Gradient Minimization with Effective Fidelity Term

Table 1

Denoising results measured in terms of PSNR (top) and MSSIM (bottom).

Image	TV	LMMSE	BLF	LARK	NL-Means	K-SVD	LGM	Proposed
Lena	31.11	31.83	29.45	32.52	31.52	32.35	22.73	32.64
Woman	31.63	31.95	29.44	32.35	31.57	32.41	18.53	32.63
Lady	32.44	32.85	30.61	33.22	32.08	33.16	20.19	33.58
Pepper	29.91	30.29	28.09	30.54	30.11	30.74	21.19	30.77
Eagle	32.88	33.12	31.05	33.62	32.48	33.46	19.63	33.75
Bird	33.38	33.50	31.14	34.15	32.72	33.89	17.56	34.41
Test	36.54	36.30	34.62	36.39	35.58	37.20	21.15	37.25
House	34.24	34.84	31.72	35.37	34.06	35.49	22.07	35.59
Lena	0.8403	0.8474	0.7924	0.8680	0.8272	0.8616	0.7234	0.8693
Woman	0.8780	0.8760	0.8164	0.8897	0.8475	0.8848	0.6761	0.8952
Lady	0.8932	0.8921	0.8392	0.9071	0.8581	0.9012	0.7474	0.9101
Pepper	0.8637	0.8637	0.8115	0.8757	0.8446	0.8754	0.7185	0.8764
Eagle	0.8799	0.8734	0.8237	0.8903	0.8349	0.8819	0.7422	0.8919
Bird	0.8876	0.8818	0.8134	0.9048	0.8349	0.8905	0.7299	0.9084
Test	0.9090	0.9070	0.8556	0.9197	0.8607	0.9123	0.8721	0.9199
House	0.8910	0.8890	0.8246	0.9002	0.8511	0.8988	0.8099	0.9019