Table 2. Comparison of different designs of stem modules.
| Method | Shared single stem | MSMT17 | ||
|---|---|---|---|---|
| mAP (%) | Rank-1 (%) | |||
| TCCNet (shared weight) | 7 × 7, stride 2 | 57.3 | 78.4 | |
| 16 × 16, stride 16 (non-overlapping) | 58.9 | 77.8 | ||
| 16 × 16, stride 12 (overlapping) | 62.8 | 81.2 | ||
| Separated double stem | ||||
| TStem | CStem | |||
| TCCNet (w/o shared weight) |
16 × 16, stride 16 | 4 × 4, stride 4 | 61.6 | 80.4 |
| 8 × 8, stride 8 | 61.6 | 79.6 | ||
| 16 × 16, stride 16 | 62.6 | 83.5 | ||
| 16 × 16, stride 12 | 4 × 4, stride 3 | 63.1 | 81.1 | |
| 10 × 10, stride 6 | 62.9 | 81.1 | ||
| 16 × 16, stride 12 | 66.9 | 84.5 | ||