From: Hybrid regularizers-based adaptive anisotropic diffusion for image denoising
Method | Lena | Peppers | Barbara | Cameraman | House |
---|---|---|---|---|---|
\(\sigma =5\) | |||||
 Noise | 35.76 | 34.18 | 33.15 | 33.97 | 35.17 |
 TV model | 37.46 | 36.86 | 35.96 | 35.95 | 37.12 |
 LLT model | 36.92 | 35.94 | 35.67 | 35.67 | 36.34 |
 NLM model | 37.41 | 36.48 | 36.72 | 36.76 | 37.81 |
 BLS-GSM | 37.16 | 36.37 | 36.18 | 36.63 | 37.53 |
 Hybrid model | 37.07 | 36.19 | 36.11 | 36.07 | 37.25 |
 Proposed model | 37.44 | 36.52 | 36.82 | 36.81 | 37.89 |
\(\sigma =10\) | |||||
 Noise | 27.72 | 28.18 | 28.15 | 28.12 | 28.12 |
 TV model | 33.72 | 33.19 | 30.07 | 32.39 | 34.27 |
 LLT model | 32.61 | 31.98 | 30.12 | 31.87 | 32.14 |
 NLM model | 34.79 | 33.35 | 33.81 | 33.41 | 35.41 |
 BLS-GSM | 34.64 | 33.25 | 33.57 | 33.26 | 35.32 |
 Hybrid model | 34.56 | 33.13 | 33.41 | 33.22 | 35.25 |
 Proposed model | 35.07 | 33.86 | 34.15 | 34.27 | 35.64 |
\(\sigma =20\) | |||||
 Noise | 22.17 | 22.16 | 22.15 | 22.20 | 22.18 |
 TV model | 31.51 | 30.54 | 28.78 | 29.47 | 31.21 |
 LLT model | 30.67 | 29.37 | 27.79 | 29.32 | 30.29 |
 NLM model | 31.69 | 31.02 | 29.92 | 30.82 | 31.82 |
 BLS-GSM | 31.54 | 30.76 | 29.64 | 30.59 | 31.54 |
 Hybrid model | 31.45 | 30.71 | 29.19 | 30.38 | 31.43 |
 Proposed model | 31.97 | 31.17 | 30.32 | 30.98 | 32.29 |
\(\sigma =40\) | |||||
 Noise | 16.11 | 16.09 | 16.12 | 16.08 | 16.14 |
 TV model | 29.22 | 27.95 | 26.93 | 27.62 | 28.85 |
 LLT model | 28.46 | 26.07 | 25.92 | 27.19 | 27.95 |
 NLM model | 29.57 | 28.19 | 27.89 | 28.59 | 29.42 |
 BLS-GSM | 29.36 | 28.13 | 27.67 | 28.35 | 29.17 |
 Hybrid model | 29.49 | 28.12 | 27.86 | 28.47 | 29.23 |
 Proposed model | 30.13 | 28.94 | 28.42 | 29.15 | 30.27 |
\(\sigma =50\) | |||||
 Noise | 14.17 | 14.23 | 14.21 | 14.16 | 14.19 |
 TV model | 27.51 | 26.05 | 24.77 | 25.89 | 27.73 |
 LLT model | 26.89 | 25.07 | 23.91 | 25.11 | 26.84 |
 NLM model | 27.95 | 26.21 | 25.69 | 26.32 | 27.06 |
 BLS-GSM | 27.67 | 26.03 | 25.43 | 26.13 | 26.74 |
 Hybrid model | 27.76 | 26.14 | 25.17 | 26.27 | 26.97 |
 Proposed model | 28.21 | 26.97 | 25.88 | 26.62 | 27.37 |