Table 6 Optimal sharpening Φ3 via G minimization
From: Relationship between entropy and SNR changes in image enhancement
Image | Quality measures | Parameters | |||||
|---|---|---|---|---|---|---|---|
G | Δ SNR | Δ R | log10α | log10ρ 0 | log10ρ 1 | log10ρ 2 | |
THISTLE | −0.025 | 3.869 | 3.900 | −0.368 | −0.284 | −0.055 | −0.895 |
HOUSE | −0.005 | 3.274 | 3.502 | −0.348 | −0.027 | −0.006 | −0.168 |
MAP | −0.077 | 4.608 | 3.199 | −0.212 | −0.310 | −0.042 | −0.666 |
WINDMILL | −0.008 | 7.309 | 5.130 | −0.065 | −0.257 | −0.176 | −0.412 |
BRIDGE | −0.005 | 3.596 | 2.859 | −0.080 | −0.329 | −0.323 | −0.927 |
BALCONY | −0.044 | 5.728 | 4.164 | −0.196 | −0.390 | −0.009 | −0.630 |