| 视角 特征提取 | 
 180˚ | 
 90˚ | 
 54˚ | 
| PMS | 41.1% | 78.6% | 33.9% | 
| GEI + PCA降维 | 46.3% | 84.0% | 35.7% | 
| RAS | 23.2% | 66.1% | 14.3% | 
| 本文(PMS + GEI + RAS) | 55.4% | 87.5% | 46.4% |