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Learning the Best Pooling Strategy for Visual Semantic Embedding

CVPR 2021 · Vision-language and multimodal › Cross-modal learning · approach: Contrastive vision-language alignment · 284 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace complex visual aggregation with the best selected simple poolingVSE image aggregation · MS-COCO 1K, Region features, T→IR@1: 60.7 vs 60.7Helped
Add GPO to both visual and text aggregation instead of AvgPool and CLS (ablation)VSE∞ · COCO 5-fold 1K TestR@1 I→T: 67.7 -> 79.7Helped
Add GPO to visual aggregation while retaining CLS for text (ablation)VSE∞ · COCO 5-fold 1K TestR@1 I→T: 67.7 -> 73.8Helped
Add GPO to text aggregation while retaining AvgPool for visual features (ablation)VSE∞ · COCO 5-fold 1K TestR@1 I→T: 67.7 -> 71.7Helped
Add Size Augmentation by randomly dropping visual and text elements (ablation)VSE∞ with BUTD Region + BiGRU · COCO 5-fold 1K TestR@1 I→T: 74.6 -> 78.5Helped
Add Size Augmentation to visual elements (ablation)VSE∞ with BUTD Region + BiGRU · COCO 5-fold 1K TestR@1 I→T: 74.6 -> 75.4Helped
Replace the GPO BiGRU generator with a Transformer (ablation)VSE∞ with BUTD Region + BiGRU · COCO 5-fold 1K TestR@1 I→T: 78.5 -> 77.4Hurt
Replace the GPO BiGRU generator with a Transformer (ablation)VSE∞ with BUTD Grid + BiGRU · COCO 5-fold 1K TestR@1 I→T: 78.0 -> 76.6Hurt
Use per-dimension rather than shared pooling coefficients (ablation)VSE∞ with BUTD Region + BiGRU · COCO 5-fold 1K TestR@1 I→T: 78.5 -> 76.5Hurt
Use per-dimension rather than shared pooling coefficients (ablation)VSE∞ with BUTD Region + BERT · COCO 5-fold 1K TestR@1 I→T: 79.7 -> 79.3Hurt
Use GPO instead of the best K-MaxPool found by manual searchVSE∞ with BUTD Region + BiGRU · COCO 5-fold 1K Testrsum: 520.4 -> 520.8Helped
Use GPO instead of AvgPool for frame and text aggregationVSE++ · MSR-VTTrsum: 160.5 -> 174.7Helped

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