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D\(^2\)LV: A Data-driven And Local-verification Approach For Image Copy Detection

Wenhao Wang, Yifan Sun, Weipu Zhang, Yi Yang . Arxiv 2021 – 2 citations

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Supervised Unsupervised

Image copy detection is of great importance in real-life social media. In this paper, a data-driven and local-verification (D(^2)LV) approach is proposed to compete for Image Similarity Challenge: Matching Track at NeurIPS’21. In D(^2)LV, unsupervised pre-training substitutes the commonly-used supervised one. When training, we design a set of basic and six advanced transformations, and a simple but effective baseline learns robust representation. During testing, a global-local and local-global matching strategy is proposed. The strategy performs local-verification between reference and query images. Experiments demonstrate that the proposed method is effective. The proposed approach ranks first out of 1,103 participants on the Facebook AI Image Similarity Challenge: Matching Track. The code and trained models are available at https://github.com/WangWenhao0716/ISC-Track1-Submission.

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