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Moving in the Right Direction: A Regularization for Deep Metric Learning

CVPR 2020 · Label-efficient and robust learning › Recognition and long-tail · approach: Correspondence and causal representation learning · 30 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add direction regularization to MS loss (ablation)MS loss · CUB-200-2011Recall@1 (%): 57.4 -> 59.1Helped
Add direction regularization to Triplet Loss (ablation)Triplet Loss · CUB-200-2011Recall@1 (%): 51.9 -> 54.2Helped
Add direction regularization to Proxy-NCA (ablation)Proxy-NCA · CUB-200-2011Recall@1 (%): 49.2 -> 53.8Helped
Use direction-regularized MS loss with embedding dimension 512 instead of 64DR-MS · CUB-200-2011Recall@1 (%): 59.1 -> 66.1Helped
Use direction-regularized MS loss with embedding dimension 512 instead of 64DR-MS · Cars-196Recall@1 (%): 79.3 -> 85.0Helped
Set direction regularization weight γ to 0.1 instead of 0.0 (ablation)DR-MS · CUB-200-2011Recall@1 (%): 57.4 -> 58.7Helped
Set direction regularization weight γ to 0.2 instead of 0.0 (ablation)DR-MS · CUB-200-2011Recall@1 (%): 57.4 -> 59.1Helped
Set direction regularization weight γ to 0.3 instead of 0.0 (ablation)DR-MS · CUB-200-2011Recall@1 (%): 57.4 -> 60.5Helped
Increase direction regularization weight γ from 0.3 to 0.4 (ablation)DR-MS · CUB-200-2011Recall@1 (%): 60.5 -> 57.0Hurt
Use learnable γ instead of static γ = 0.3 (ablation)DR-MS · CUB-200-2011Recall@1 (%): 60.5 -> 59.1Hurt
Increase training batch size from 80 to 160 (ablation)DR-MS512 · In-ShopRecall@1 (%): 87.4 -> 88.3Helped
Increase training batch size from 160 to 320 (ablation)DR-MS512 · In-ShopRecall@1 (%): 88.3 -> 89.5Helped

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