Research Article

Image Denoising via Gradient Minimization with Effective Fidelity Term

Table 2

Denoising results of the Pepper image with different noise levels.

PepperAlgorithmPSNRMSSIM

TV27.780.7695
LMMSE28.280.8209
BLF25.890.7472
LARK28.330.8400
NL-Means27.960.7697
K-SVD28.590.8355
LGM19.870.6211
Proposed28.720.8479

TV24.350.5649
LMMSE26.840.7809
BLF24.630.6658
LARK26.640.8001
NL-Means26.350.7453
K-SVD27.060.7934
LGM18.420.5152
Proposed27.050.8102