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For each feature, we list the surface property measured by that feature and the size of image region (in pixels) that the feature is computed over.
| Feature name | Surface property | Size of image region |
|---|---|---|
| Color | Color | 3×3 |
| Jet | Texture | 25×25 |
| SIFT | Texture | 16×16 |
| Micro-jet | Micro-texture | 25×25 |
| Micro-SIFT | Micro-texture | 16×16 |
| Curvature | Local shape | 16×16 |
| Edge-slice | Reflectance | 18×3 |
| Edge-ribbon | Reflectance | 18×3 |
