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Ranking Distillation for Open-Ended Video Question Answering with Insufficient Labels
March 22, 2024, 4:45 a.m. | Tianming Liang, Chaolei Tan, Beihao Xia, Wei-Shi Zheng, Jian-Fang Hu
cs.CV updates on arXiv.org arxiv.org
Abstract: This paper focuses on open-ended video question answering, which aims to find the correct answers from a large answer set in response to a video-related question. This is essentially a multi-label classification task, since a question may have multiple answers. However, due to annotation costs, the labels in existing benchmarks are always extremely insufficient, typically one answer per question. As a result, existing works tend to directly treat all the unlabeled answers as negative labels, …
abstract annotation arxiv classification costs cs.cv distillation however labels multiple paper question question answering ranking set type video
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