From: Hybrid regularizers-based adaptive anisotropic diffusion for image denoising
Method | Lena | Peppers | Barbara | Cameraman | House |
---|---|---|---|---|---|
\(\sigma =5\) | |||||
 Noise | 0.85 | 0.85 | 0.89 | 0.84 | 0.80 |
 TV model | 0.93 | 0.91 | 0.92 | 0.93 | 0.97 |
 LLT model | 0.91 | 0.89 | 0.93 | 0.92 | 0.94 |
 NLM model | 0.94 | 0.92 | 0.96 | 0.94 | 0.97 |
 BLS-GSM | 0.94 | 0.92 | 0.96 | 0.96 | 0.98 |
 Hybrid model | 0.94 | 0.93 | 0.96 | 0.96 | 0.98 |
 Proposed model | 0.94 | 0.93 | 0.97 | 0.97 | 0.97 |
\(\sigma =10\) | |||||
 Noise | 0.61 | 0.61 | 0.71 | 0.63 | 0.53 |
 TV model | 0.89 | 0.88 | 0.87 | 0.86 | 0.90 |
 LLT model | 0.87 | 0.86 | 0.85 | 0.86 | 0.89 |
 NLM model | 0.90 | 0.89 | 0.90 | 0.90 | 0.92 |
 BLS-GSM | 0.91 | 0.88 | 0.91 | 0.92 | 0.92 |
 Hybrid model | 0.91 | 0.88 | 0.90 | 0.90 | 0.91 |
 Proposed model | 0.91 | 0.89 | 0.91 | 0.91 | 0.90 |
\(\sigma =20\) | |||||
 Noise | 0.34 | 0.43 | 0.48 | 0.41 | 0.35 |
 TV model | 0.86 | 0.85 | 0.82 | 0.83 | 0.84 |
 LLT model | 0.84 | 0.83 | 0.80 | 0.82 | 0.83 |
 NLM model | 0.87 | 0.86 | 0.83 | 0.85 | 0.85 |
 BLS-GSM | 0.86 | 0.84 | 0.83 | 0.84 | 0.87 |
 Hybrid model | 0.87 | 0.85 | 0.82 | 0.83 | 0.85 |
 Proposed model | 0.89 | 0.87 | 0.84 | 0.86 | 0.87 |
\(\sigma =40\) | |||||
 Noise | 0.15 | 0.21 | 0.26 | 0.22 | 0.16 |
 TV model | 0.79 | 0.77 | 0.75 | 0.77 | 0.80 |
 LLT model | 0.75 | 0.74 | 0.73 | 0.74 | 0.76 |
 NLM model | 0.82 | 0.80 | 0.76 | 0.76 | 0.82 |
 BLS-GSM | 0.79 | 0.77 | 0.74 | 0.76 | 0.83 |
 Hybrid model | 0.81 | 0.79 | 0.76 | 0.78 | 0.81 |
 Proposed model | 0.82 | 0.79 | 0.75 | 0.79 | 0.83 |
\(\sigma =50\) | |||||
 Noise | 0.11 | 0.17 | 0.15 | 0.18 | 0.13 |
 TV model | 0.73 | 0.72 | 0.69 | 0.71 | 0.73 |
 LLT model | 0.70 | 0.69 | 0.65 | 0.69 | 0.70 |
 NLM model | 0.73 | 0.74 | 0.71 | 0.70 | 0.75 |
 BLS-GSM | 0.74 | 0.73 | 0.69 | 0.72 | 0.75 |
Hybrid model | 0.73 | 0.73 | 0.70 | 0.71 | 0.74 |
Proposed model | 0.74 | 0.74 | 0.72 | 0.73 | 0.76 |