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|a 10.1109/TIP.2022.3175601
|2 doi
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|a eng
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|a Lin, Jinliang
|e verfasserin
|4 aut
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|a Joint Representation Learning and Keypoint Detection for Cross-View Geo-Localization
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|c 2022
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|a Text
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|a ƒaComputermedien
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|a Date Completed 06.06.2022
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|a Date Revised 06.06.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In this paper, we study the cross-view geo-localization problem to match images from different viewpoints. The key motivation underpinning this task is to learn a discriminative viewpoint-invariant visual representation. Inspired by the human visual system for mining local patterns, we propose a new framework called RK-Net to jointly learn the discriminative Representation and detect salient Keypoints with a single Network. Specifically, we introduce a Unit Subtraction Attention Module (USAM) that can automatically discover representative keypoints from feature maps and draw attention to the salient regions. USAM contains very few learning parameters but yields significant performance improvement and can be easily plugged into different networks. We demonstrate through extensive experiments that (1) by incorporating USAM, RK-Net facilitates end-to-end joint learning without the prerequisite of extra annotations. Representation learning and keypoint detection are two highly-related tasks. Representation learning aids keypoint detection. Keypoint detection, in turn, enriches the model capability against large appearance changes caused by viewpoint variants. (2) USAM is easy to implement and can be integrated with existing methods, further improving the state-of-the-art performance. We achieve competitive geo-localization accuracy on three challenging datasets, i. e., University-1652, CVUSA and CVACT. Our code is available at https://github.com/AggMan96/RK-Net
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|a Journal Article
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|a Zheng, Zhedong
|e verfasserin
|4 aut
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| 700 |
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|a Zhong, Zhun
|e verfasserin
|4 aut
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| 700 |
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|a Luo, Zhiming
|e verfasserin
|4 aut
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| 700 |
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|a Li, Shaozi
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Yi
|e verfasserin
|4 aut
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| 700 |
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|a Sebe, Nicu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 31(2022) vom: 05., Seite 3780-3792
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|x 1941-0042
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|g volume:31
|g year:2022
|g day:05
|g pages:3780-3792
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|u http://dx.doi.org/10.1109/TIP.2022.3175601
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