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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1109/TPAMI.2023.3303451
|2 doi
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|a pubmed24n1292.xml
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Li, Yicong
|e verfasserin
|4 aut
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| 245 |
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|a Transformer-Empowered Invariant Grounding for Video Question Answering
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|c 2023
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|a Text
|b txt
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 14.02.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Video Question Answering (VideoQA) is the task of answering questions about a video. At its core is the understanding of the alignments between video scenes and question semantics to yield the answer. In leading VideoQA models, the typical learning objective, empirical risk minimization (ERM), tends to over-exploit the spurious correlations between question-irrelevant scenes and answers, instead of inspecting the causal effect of question-critical scenes, which undermines the prediction with unreliable reasoning. In this work, we take a causal look at VideoQA and propose a modal-agnostic learning framework, named Invariant Grounding for VideoQA (IGV), to ground the question-critical scene, whose causal relations with answers are invariant across different interventions on the complement. With IGV, leading VideoQA models are forced to shield the answering from the negative influence of spurious correlations, which significantly improves their reasoning ability. To unleash the potential of this framework, we further provide a Transformer-Empowered Invariant Grounding for VideoQA (TIGV), a substantial instantiation of IGV framework that naturally integrates the idea of invariant grounding into a transformer-style backbone. Experiments on four benchmark datasets validate our design in terms of accuracy, visual explainability, and generalization ability over the leading baselines. Our code is available at https://github.com/yl3800/TIGV
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|a Journal Article
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| 700 |
1 |
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|a Wang, Xiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiao, Junbin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ji, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chua, Tat-Seng
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g PP(2023) vom: 09. Aug.
|w (DE-627)NLM098212257
|x 1939-3539
|7 nnns
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| 773 |
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|g volume:PP
|g year:2023
|g day:09
|g month:08
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| 856 |
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|u http://dx.doi.org/10.1109/TPAMI.2023.3303451
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