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617b25e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | # OnePass-7B visual comparison
## Dataset-level diagnostics
| Method | Mean sample IoU | IoU < 0.5 | IoU >= 0.75 |
|---|---:|---:|---:|
| Qwen-init | 0.586179 | 27.88% | 29.92% |
| STAMP-LoRA-init | 0.585672 | 28.43% | 30.60% |
| SEG-grounding | 0.589904 | 27.12% | 31.66% |
## Pairwise changes
| Comparison | Mean delta | Improved >0.01 | Regressed >0.01 | Nearly unchanged |
|---|---:|---:|---:|---:|
| STAMP-LoRA-init - Qwen-init | -0.000507 | 35.48% | 33.97% | 30.56% |
| SEG-grounding - STAMP-LoRA-init | +0.004233 | 29.06% | 19.71% | 51.23% |
## Selected qualitative cases
| Index | Category | Qwen-init | STAMP-LoRA-init | SEG-grounding |
|---:|---|---:|---:|---:|
| 118 | all_methods_fail | 0.0000 | 0.0000 | 0.0000 |
| 121 | all_methods_fail | 0.0000 | 0.4044 | 0.4314 |
| 3163 | stamp_lora_gain | 0.0004 | 0.6621 | 0.0000 |
| 1045 | stamp_lora_gain | 0.8401 | 0.8375 | 0.8371 |
| 808 | seg_grounding_gain | 0.0000 | 0.0000 | 0.0000 |
| 3822 | seg_grounding_gain | 0.0059 | 0.0049 | 0.0186 |
| 1641 | seg_grounding_regression | 0.0000 | 0.0000 | 0.0000 |
| 2162 | seg_grounding_regression | 0.7193 | 0.8151 | 0.6546 |
| 105 | largest_method_disagreement | 0.0011 | 0.0007 | 0.0007 |
| 1021 | largest_method_disagreement | 0.8497 | 0.8622 | 0.8625 |
| 3778 | all_methods_succeed | 0.9501 | 0.9503 | 0.9357 |
| 754 | all_methods_succeed | 0.8923 | 0.8976 | 0.8803 |
Colors in prediction panels: green=TP, red=FP, blue=FN.
The selected cases are post-hoc qualitative diagnostics based on GT IoU; selection is not part of model inference.
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