Official Journal of the Japan Wood Research Society
Table 1 Optimum parameters for each condition
Image size (cm2) | 1.5 × 1.5 | 1 × 1 | 0.5 × 0.5 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Resolution (mm/pixel) | 0.05 | 0.1 | 0.15 | 0.2 | 0.25 | 0.05 | 0.1 | 0.15 | 0.2 | 0.25 | 0.05 | 0.1 | 0.15 | 0.2 | 0.25 |
Gray level | |||||||||||||||
8 | a + r | 0° | a + r | 0° | 0° | a + r | 0° | a + r | 0° | 0° | a + r | a + r | a + r | a + r | 0° |
16 | a + r | ave | a + r | 0° | 0° | a + r | 0° | a + r | 0° | ave | a + r | 0° | a + r | 0° | 0° |
32 | a + r | ave | a + r | 0° | 0° | a + r | 0° | 0° | 0° | 0° | a + r | 0° | a + r | 0° | 0° |
64 | 0°, 90°, a + r | 90° | a + r | a + r | ave | 90° | a + r | a + r | 0° | 0° | a + r | 0° | a + r | 0° | 0° |
128 | 90° | 90° | a + r | 0° | ave | 90° | a + r | a + r | 0° | 0° | ave | 0° | a + r | 0° | ave |
256 | 0°, 90°, ave | 90°, ave | a + r | 0° | ave | a + r | a + r | a + r | 0° | 0° | ave | a + r | 0° | 0° | 0°, ave, a + r |