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Knowledge Distillation As Efficient Pre-Training: Faster Convergence, Higher Data-Efficiency, and Better Transferability

CVPR 2022 · Label-efficient and robust learning › Knowledge distillation · approach: Rethinking distillation objectives · 41 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use KDEP (SVD+PTS) instead of supervised pre-training with the same 10% data and 90 epochsR18 pre-training · Image classification averagetop-1 accuracy: 71.05 -> 75.74Helped
Use KDEP (SVD+PTS) instead of supervised pre-training with the same 100% data and 90 epochsR18 pre-training · Image classification averagetop-1 accuracy: 77.13 -> 78.40Helped
Use KDEP (SVD+PTS) instead of supervised pre-training with the same 10% data and 90 epochsR18 pre-training · Semantic segmentation averagemIoU: 57.41 -> 59.61Helped
Use KDEP (SVD+PTS) instead of supervised pre-training with the same 10% data and 90 epochsR18 pre-training · COCO detectionAP: 27.6 -> 28.6Helped
Add Power Temperature Scaling after SVD (ablation)KDEP feature alignment, R50 → R18 · Image classification average, 10% ImageNet-1K, 90 epochstop-1 accuracy: 75.09 -> 75.74Helped
Add Scale Normalization after SVD (ablation)KDEP feature alignment, R50 → R18 · Image classification average, 10% ImageNet-1K, 90 epochstop-1 accuracy: 75.09 -> 75.34Helped
Add Std Matching after SVD (ablation)KDEP feature alignment, R50 → R18 · Image classification average, 10% ImageNet-1K, 90 epochstop-1 accuracy: 75.09 -> 75.87Helped
Use PTS with T=0.1 instead of no PTS (ablation)KDEP, R50 → R18 · Image classification average, 10% ImageNet-1K, 90 epochstop-1 accuracy: 75.09 -> 75.74Helped
Add multiple-layer feature distillation (ablation)KDEP, MS R50 → R18 · Image classification average, 10% ImageNet-1K, 90 epochstop-1 accuracy: 75.74 -> 76.11Helped
Add multiple-layer feature distillation (ablation)KDEP, MS R50 → MNV2 · Image classification average, 10% ImageNet-1K, 90 epochstop-1 accuracy: 75.37 -> 75.20Hurt
Replace SVD dimension alignment with 1×1 convolution alignment (ablation)KDEP, MS R50 → R18 · Image classification average, 10% ImageNet-1K, 90 epochstop-1 accuracy: 75.74 -> 73.10Hurt
Use logits KD instead of feature-based KDEP (ablation)R50 → R18 · Image classification average, 10% ImageNet-1K, 90 epochstop-1 accuracy: 71.95 vs 74.79Hurt

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