Table 1 Optimal low-pass smoothing Φ1 via Δ SNR maximization
From: Relationship between entropy and SNR changes in image enhancement
Image | Quality measures | Parameter | |
|---|---|---|---|
Δ SNR | Δ R | log10ρ | |
THISTLE | 3.897 | 3.990 | −0.059 |
HOUSE | 3.308 | 3.604 | 0.131 |
MAP | 4.706 | 3.324 | −0.053 |
WINDMILL | 9.014 | 7.632 | 0.184 |
BRIDGE | 4.578 | 3.839 | −0.140 |
BALCONY | 5.916 | 4.398 | −0.032 |