| 方法 | 分类准确度 | ||
|
| CUB-200-2011 | Stanford Dogs | Stanford Cars |
| PDFR [16] | 80.3 | 79.3 | 82.3 |
| Two-level [17] | 82.8 | 83.4 | 85.1 |
| Low-rank [18] | 81.7 | 82.8 | 86.3 |
| Constellations [19] | 81.0 | 68.61 | \ |
| DVAN [20] | 79.0 | 81.5 | 87.1 |
| B-CNN [7] | 84.1 | \ | 91.3 |
| Grad-CAM + B-CNN | 84.7 | 87.1 | 91.8 |