Table 3 Optimal sharpening Φ3 via Δ SNR maximization
From: Relationship between entropy and SNR changes in image enhancement
Image | Quality measures | Parameters | ||||
|---|---|---|---|---|---|---|
Δ SNR | Δ R | log10α | log10ρ 0 | log10ρ 1 | log10ρ 2 | |
THISTLE | 3.935 | 4.035 | −0.137 | −0.099 | −0.217 | −0.313 |
HOUSE | 3.273 | 3.501 | −0.077 | −0.005 | −0.100 | −0.161 |
MAP | 4.739 | 3.343 | −0.148 | −0.167 | −0.079 | −0.250 |
WINDMILL | 8.706 | 6.833 | −0.075 | −0.012 | −0.037 | −0.162 |
BRIDGE | 4.811 | 4.100 | −0.230 | −0.001 | −0.491 | −0.223 |
BALCONY | 6.029 | 4.484 | −0.621 | −0.012 | −0.481 | −0.216 |