| Algorithm | Features used | (%) |
| Curvature Bag of Words | 1280 | 73.17 |
| Circle Views Signature | 8067 | 78.25 |
| Multiscale-arch-height description | 12,288 | 81 |
| TSS & TSB | 20 | 60.08 |
| Invariant multi-scale descriptor | 101 | 86.03 |
| Hexagonal Grid based triangulated feature descriptor | 98 | 85.31 |