Web: http://arxiv.org/abs/2207.07285

Sept. 23, 2022, 1:15 a.m. | Yiwei Ma, Guohai Xu, Xiaoshuai Sun, Ming Yan, Ji Zhang, Rongrong Ji

cs.CV updates on arXiv.org arxiv.org

Video-text retrieval has been a crucial and fundamental task in multi-modal
research. The development of video-text retrieval has been considerably
promoted by large-scale multi-modal contrastive pre-training, which primarily
focuses on coarse-grained or fine-grained contrast. However, cross-grained
contrast, which is the contrast between coarse-grained representations and
fine-grained representations, has rarely been explored in prior research.
Compared with fine-grained or coarse-grained contrasts, cross-grained contrast
calculate the correlation between coarse-grained features and each fine-grained
feature, and is able to filter out the unnecessary …

arxiv clip retrieval text video

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