Research map / Detection and segmentation / Open-set and few-shot detection
Uninformed Students: Student-Teacher Anomaly Detection With Discriminative Latent Embeddings
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Use student-teacher regression on pretrained discriminative embeddings for anomaly segmentation | MVTec AD · MVTec AD | normalized area under PRO curve: 0.790 -> 0.857 | Helped |
| Combine anomaly scores from receptive fields p=17, 33, and 65 (ablation) | Student-teacher · MVTec AD | normalized area under PRO curve: 0.857 -> 0.914 | Helped |
| Add descriptor compactness loss Lc to knowledge-distillation loss Lk (ablation) | Student-teacher teacher embeddings · CIFAR-10 | ROC-AUC: 0.8021 -> 0.8196 | Helped |
| Add descriptor compactness loss Lc to knowledge-distillation loss Lk (ablation) | Student-teacher teacher embeddings · MNIST | ROC-AUC: 0.9917 -> 0.9935 | Helped |
| Add triplet metric-learning loss Lm to Lk + Lc (ablation) | Student-teacher teacher embeddings · CIFAR-10 | ROC-AUC: 0.8196 -> 0.8035 | Hurt |
| Add triplet metric-learning loss Lm to Lk + Lc (ablation) | Student-teacher teacher embeddings · MNIST | ROC-AUC: 0.9935 -> 0.9926 | Hurt |
| Replace knowledge-distillation loss Lk with triplet loss Lm while retaining Lc (ablation) | Student-teacher teacher embeddings · CIFAR-10 | ROC-AUC: 0.8196 -> 0.7940 | Hurt |
| Replace knowledge-distillation loss Lk with triplet loss Lm while retaining Lc (ablation) | Student-teacher teacher embeddings · MNIST | ROC-AUC: 0.9935 -> 0.9935 | No clear effect |
| Use larger receptive fields (ablation) | Student-teacher · MVTec AD categories | normalized area under PRO curve: 0.795 -> 0.893 (Carpet); 0.943 -> 0.725 (Wood) | Mixed |
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