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author:

Wang, Changwei (Wang, Changwei.) [1] | Chen, Shunpeng (Chen, Shunpeng.) [2] | Song, Yukun (Song, Yukun.) [3] | Xu, Rongtao (Xu, Rongtao.) [4] | Zhang, Zherui (Zhang, Zherui.) [5] | Zhang, Jiguang (Zhang, Jiguang.) [6] | Yang, Haoran (Yang, Haoran.) [7] | Zhang, Yu (Zhang, Yu.) [8] | Fu, Kexue (Fu, Kexue.) [9] | Du, Shide (Du, Shide.) [10] | Xu, Zhiwei (Xu, Zhiwei.) [11] | Gao, Longxiang (Gao, Longxiang.) [12] | Guo, Li (Guo, Li.) [13] | Xu, Shibiao (Xu, Shibiao.) [14]

Indexed by:

CPCI-S

Abstract:

Visual Place Recognition (VPR) is aimed at predicting the location of a query image by referencing a database of geo-tagged images. For VPR task, often fewer discriminative local regions in an image produce important effects while mundane background regions do not contribute or even cause perceptual aliasing because of easy overlap. However, existing methods lack precisely modeling and full exploitation of these discriminative regions. In this paper, we propose the Focus on Local (FoL) approach to stimulate the performance of image retrieval and re-ranking in VPR simultaneously by mining and exploiting reliable discriminative local regions in images and introducing pseudo-correlation supervision. First, we design two losses, Extraction-Aggregation Spatial Alignment Loss (SAL) and Foreground-Background Contrast Enhancement Loss (CEL), to explicitly model reliable discriminative local regions and use them to guide the generation of global representations and efficient re-ranking. Second, we introduce a weakly-supervised local feature training strategy based on pseudo-correspondences obtained from aggregating global features to alleviate the lack of local correspondences ground truth for the VPR task. Third, we suggest an efficient re-ranking pipeline that is efficiently and precisely based on discriminative region guidance. Finally, experimental results show that our FoL achieves the state-of-the-art on multiple VPR benchmarks in both image retrieval and re-ranking stages and also significantly outperforms existing two-stage VPR methods in terms of computational efficiency.

Keyword:

Community:

  • [ 1 ] [Wang, Changwei]Qilu Univ Technol, Shandong Comp Sci Ctr, Key Lab Comp Power Network & Informat Secur, Minist Educ,Shandong Acad Sci, Jinan, Peoples R China
  • [ 2 ] [Fu, Kexue]Qilu Univ Technol, Shandong Comp Sci Ctr, Key Lab Comp Power Network & Informat Secur, Minist Educ,Shandong Acad Sci, Jinan, Peoples R China
  • [ 3 ] [Gao, Longxiang]Qilu Univ Technol, Shandong Comp Sci Ctr, Key Lab Comp Power Network & Informat Secur, Minist Educ,Shandong Acad Sci, Jinan, Peoples R China
  • [ 4 ] [Chen, Shunpeng]Beijing Univ Posts & Telecommun, Sch Artificial Intelligence, Beijing, Peoples R China
  • [ 5 ] [Song, Yukun]Beijing Univ Posts & Telecommun, Sch Artificial Intelligence, Beijing, Peoples R China
  • [ 6 ] [Zhang, Zherui]Beijing Univ Posts & Telecommun, Sch Artificial Intelligence, Beijing, Peoples R China
  • [ 7 ] [Guo, Li]Beijing Univ Posts & Telecommun, Sch Artificial Intelligence, Beijing, Peoples R China
  • [ 8 ] [Xu, Shibiao]Beijing Univ Posts & Telecommun, Sch Artificial Intelligence, Beijing, Peoples R China
  • [ 9 ] [Wang, Changwei]Shandong Fundamental Res Ctr Comp Sci, Shandong Prov Key Lab Comp Power Internet & Serv, Shandong, Peoples R China
  • [ 10 ] [Fu, Kexue]Shandong Fundamental Res Ctr Comp Sci, Shandong Prov Key Lab Comp Power Internet & Serv, Shandong, Peoples R China
  • [ 11 ] [Gao, Longxiang]Shandong Fundamental Res Ctr Comp Sci, Shandong Prov Key Lab Comp Power Internet & Serv, Shandong, Peoples R China
  • [ 12 ] [Xu, Rongtao]Chinese Acad Sci, Inst Automat, MAIS, Beijing, Peoples R China
  • [ 13 ] [Zhang, Jiguang]Chinese Acad Sci, Inst Automat, MAIS, Beijing, Peoples R China
  • [ 14 ] [Yang, Haoran]Tongji Univ, Shanghai, Peoples R China
  • [ 15 ] [Zhang, Yu]Tongji Univ, Shanghai, Peoples R China
  • [ 16 ] [Du, Shide]Fuzhou Univ, Coll Comp & Data Sci, Fuzhou, Peoples R China
  • [ 17 ] [Xu, Zhiwei]Shandong Univ, Shandong, Peoples R China

Reprint 's Address:

  • [Gao, Longxiang]Qilu Univ Technol, Shandong Comp Sci Ctr, Key Lab Comp Power Network & Informat Secur, Minist Educ,Shandong Acad Sci, Jinan, Peoples R China

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Source :

THIRTY-NINTH AAAI CONFERENCE ON ARTIFICIAL INTELLIGENCE, AAAI-25, VOL 39 NO 7

ISSN: 2159-5399

Year: 2025

Page: 7536-7544

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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