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Research map / Vision-language and multimodal / Visual question answering

Separating Skills and Concepts for Novel Visual Question Answering

CVPR 2021 · Vision-language and multimodal › Visual question answering · approach: Universal VQA models · 33 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add skill matching and concept grounding contrastive lossesBase VQA model · VQA v2 novel skill-concept compositionsVQA accuracy: 62.82 -> 64.32Helped
add skill matching and concept grounding contrastive lossesBase VQA model · VQA v2 novel conceptsVQA accuracy: 57.78 -> 59.80Helped
add skill matching and concept grounding contrastive lossesBase VQA model · manually annotated concept groundingRecall@5: 43.71 -> 59.12Helped
add skill matching and concept grounding contrastive lossesBase VQA model · VQA-CPVQA performance: 40.98 -> 41.71Helped
add skill matching and concept grounding contrastive lossesBase VQA model · VQA v2 test-dev and test-stdVQA performance: 69.60 -> 69.78; 69.99 -> 70.09Helped
add skill matching loss only (ablation)Base VQA model · VQA v2 average novel count compositionsVQA accuracy: 58.03 -> 58.83Helped
add skill matching loss only (ablation)Base VQA model · VQA v2 average novel conceptsVQA accuracy: 60.42 -> 61.85Helped
add concept grounding loss only (ablation)Base VQA model · VQA v2 average novel count compositionsVQA accuracy: 58.03 -> 59.80Helped
add concept grounding loss only (ablation)Base VQA model · VQA v2 average novel conceptsVQA accuracy: 60.42 -> 62.06Helped
replace both contrastive losses with masked language modeling (ablation)Base VQA model · VQA v2 average novel count compositionsVQA accuracy: 58.03 -> 58.41No clear effect
replace both contrastive losses with masked language modeling (ablation)Base VQA model · VQA v2 average novel conceptsVQA accuracy: 60.42 -> 60.25Hurt
use random sampling instead of CCC reference selection (ablation)concept grounding objective · VQA v2 novel concepts (lamp, fruit, fridge, surfer, flag)accuracy change from Base: +2.80, +0.49, -0.16, -0.14, +0.50Mixed

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