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Grey relation distance comparison by different similarity measure methods
| Similarity measure methods | 1BPD and 2BPG | 1WRP and 3WRP |
|---|---|---|
| Feature vectors of SI (T) | 0.9346 | 0.9517 |
| Feature vectors of SGF (P) | 0.9419 | 0.9486 |
| Combined feature vectors of SI and SGF ((T + P)/2) | 0.9357 | 0.9541 |
| Matrix-based feature descriptor (Q T Q) | 0.9856 | 0.9723 |
