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arXiv · 2110.04294

2nd Place Solution to Google Landmark Retrieval 2021

Zhang Yuqi·Xu Xianzhe·Chen Weihua·Wang Yaohua·Zhang Fangyi·Wang Fan·Li Hao
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Abstract

This paper presents the 2nd place solution to the Google Landmark Retrieval 2021 Competition on Kaggle. The solution is based on a baseline with training tricks from person re-identification, a continent-aware sampling strategy is presented to select training images according to their country tags and a Landmark-Country aware reranking is proposed for the retrieval task. With these contributions, we achieve 0.52995 mAP@100 on private leaderboard. Code available at https://github.com/WesleyZhang1991/Google_Landmark_Retrieval_2021_2nd_Place_Solution

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Zhang Yuqi, Xu Xianzhe, Chen Weihua, Wang Yaohua, Zhang Fangyi, Wang Fan, Li Hao. 2021-10-08. 2nd Place Solution to Google Landmark Retrieval 2021. https://arxiv.org/abs/2110.04294

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