Table 5 A comparison of evaluation indicators of different sharpening methods in Branch 2
From: CIEM-SCC: cinnabar inscription enhancement method via spectral curve classification
Metric | Pseudo-color | Gaussian | Homomorphic | Bilateral |
|---|---|---|---|---|
Average gradient | 4.42 | 3.13 | 7.11 | 12.97 |
Edge strength | 43.92 | 33.54 | 70.55 | 128.03 |
Contrast | 84.96 | 24.71 | 232.10 | 621.68 |
Information entropy | 6.14 | 6.00 | 6.17 | 6.58 |
