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Research map / Label-efficient and robust learning / Zero-/few-shot and meta-learning

VGSE: Visually-Grounded Semantic Embeddings for Zero-Shot Learning

CVPR 2022 · Label-efficient and robust learning › Zero-/few-shot and meta-learning · approach: Transductive and semantic-dictionary zero-shot · 67 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace w2v class embeddings with VGSE-SMO embeddingsSJE · AWA2ZSL Top-1 accuracy: 53.7 -> 62.4Helped
Replace w2v class embeddings with VGSE-SMO embeddingsSJE · CUBZSL Top-1 accuracy: 14.4 -> 26.1Helped
Replace w2v class embeddings with VGSE-SMO embeddingsSJE · SUNZSL Top-1 accuracy: 26.3 -> 35.8Helped
Add class-discrimination loss (ablation)VGSE patch-clustering model · CUBZSL Top-1 accuracy: 16.7 -> 23.7Helped
Add semantic-relatedness loss (ablation)VGSE patch-clustering model · SUNZSL Top-1 accuracy: 30.5 -> 35.8Helped
Replace learned patch clustering with pretrained ResNet patch features (ablation)VGSE-SMO · CUBZSL Top-1 accuracy: 15.4 -> 26.1Hurt
Replace learned patch clustering with k-means clustering (ablation)VGSE-SMO · CUBZSL Top-1 accuracy: 15.0 -> 26.1Hurt
Replace SMO with weighted averaging of neighbor seen-class embeddings (ablation)VGSE · AWA2ZSL Top-1 accuracy: 57.7 -> 62.4Hurt
Replace SMO with weighted averaging of neighbor seen-class embeddings (ablation)VGSE · CUBZSL Top-1 accuracy: 25.8 vs 26.1; < 0.5%No clear effect
Use 128 patches per image instead of 9 (ablation)VGSE-SMO · AWA2ZSL accuracy: 62.4% -> 58.7%Hurt
Use watershed regions instead of regular 3×3 grid patches (ablation)VGSE-SMO · AWA2ZSL accuracy: +8.2%Helped
Increase the visual-cluster count up to 200 (ablation)VGSE-SMO · AWA2ZSL accuracy: 58.4% to 62.5%Helped

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