Dense-Caption Matching and Frame-Selection Gating for Temporal Localization in VideoQA (2020.acl-main)
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| Challenge: | Recent years have witnessed a paradigm shift in the way we get our information, and a lot of it. |
| Approach: | They propose a video question answering model which integrates multi-modal input sources and finds temporally relevant information to answer questions. |
| Outcome: | The proposed model outperforms the state-of-the-art on a TVQA dataset. |
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| Challenge: | Existing methods for video question answering align visual or textual features directly with large language models, limiting the deep semantic association between modalities and hindering a comprehensive understanding of interactions within spatial and temporal contexts. |
| Approach: | They propose a temporal-aware framework for multi-modal video question answering that aligns videos and questions at fine-grained levels. |
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TVQA+: Spatio-Temporal Grounding for Video Question Answering (2020.acl-main)
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| Challenge: | Existing video QA datasets only contain QA pairs without labels for key clips or regions needed to answer the question. |
| Approach: | They propose a framework that grounds evidence in both spatial and temporal domains to answer questions about videos using bounding boxes. |
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TVQA: Localized, Compositional Video Question Answering (D18-1)
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| Challenge: | Recent studies have focused on image-based question-answering (QA) tasks, but little has been done on video-based QA. |
| Approach: | They present a large-scale video QA dataset based on 6 popular TV shows . they provide analysis of the new dataset and trainable neural network framework . |
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Video Question Answering: Datasets, Algorithms and Challenges (2022.emnlp-main)
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| Challenge: | Recent advances in video question answering have led to a surge in popularity . despite the popularity, VideoQA remains one of the greatest challenges . |
| Approach: | They categorize the video question-answer datasets into normal VideoQA, multi-modal VideoQA and knowledge-based VideoQA according to the modalities invoked in the question-announcement pairs. |
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Mulan: A Multi-Level Alignment Model for Video Question Answering (2023.findings-emnlp)
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| Challenge: | Existing methods focus on visual-language alignment at the video level, but they do not account for fine-grained semantic interaction between video and text. |
| Approach: | They propose a multi-level Alignment Model for Video Question Answering that establishes alignment between visual and textual modalities at the object-level, frame-level and video-level. |
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Sali4Vid: Saliency-Aware Video Reweighting and Adaptive Caption Retrieval for Dense Video Captioning (2025.emnlp-main)
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| Challenge: | Recent work proposes end-to-end models but suffer from limitations . prior work focused on generating captions from long video streams . |
| Approach: | They propose a saliency-aware framework that localizes events and generates captions for each event. |
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VQAGuider: Guiding Multimodal Large Language Models to Answer Complex Video Questions (2025.acl-long)
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| Challenge: | Multimodal large language models (MLLMs) can grasp the intention of a question and decomposing it to a series of visual recognition sub-tasks to find out the answer with the help of an agent. |
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Rethinking Multi-Modal Alignment in Multi-Choice VideoQA from Feature and Sample Perspectives (2022.emnlp-main)
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| Challenge: | Existing approaches to VideoQA focus on utilizing frame- or object-level visual representations, but they neglect visual-language interactions. |
| Approach: | They propose to break down video into trajectories and first leverage trajectory feature in VideoQA to enhance alignment between two modalities. |
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All You May Need for VQA are Image Captions (2022.naacl-main)
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| Challenge: | Visual Question Answering (VQA) has benefited from increasingly sophisticated models, but has not enjoyed the same level of engagement in terms of data creation. |
| Approach: | They propose a method that automatically derives VQA examples at volume by leveraging existing image-caption annotations combined with neural models for textual question generation. |
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Encoding and Controlling Global Semantics for Long-form Video Question Answering (2024.emnlp-main)
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| Challenge: | Existing methods to find answers for long videos fail to reason over the whole sequence of video, leading to sub-optimal performance. |
| Approach: | They propose a state space layer to integrate global semantics into video . they use a gating unit to enable controllability over the flow of global semantic into visual representations. |
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