Table 2 Optimal sharpening Φ2 via Δ SNR maximization
From: Relationship between entropy and SNR changes in image enhancement
Image | Quality measures | Parameters | ||
|---|---|---|---|---|
Δ SNR | Δ R | log10α | log10ρ | |
THISTLE | 3.881 | 3.968 | −2.203 | −0.074 |
HOUSE | 3.284 | 3.582 | −2.159 | 0.102 |
MAP | 4.705 | 3.306 | −2.520 | −0.062 |
WINDMILL | 8.818 | 7.054 | −2.124 | 0.089 |
BRIDGE | 3.943 | 3.603 | −1.417 | −0.238 |
BALCONY | 5.835 | 4.361 | −1.802 | −0.054 |