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The dominant paradigm in image retrieval systems today is to search large databases using global image features, and re-rank those initial results with local image feature matching techniques. This design, dubbed global-to-local, stems from…

Information Retrieval · Computer Science 2025-09-08 Dror Aiger , Bingyi Cao , Kaifeng Chen , Andre Araujo

Cross-view geo-localization infers a location by retrieving geo-tagged reference images that visually correspond to a query image. However, the traditional satellite-centric paradigm limits robustness when high-resolution or up-to-date…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Zixuan Song , Jing Zhang , Di Wang , Zidie Zhou , Wenbin Liu , Haonan Guo , En Wang , Bo Du

Road networks are crucial for mapping, autonomous driving, and disaster response. While manual annotation is costly, deep learning offers efficient extraction. Current methods include postprocessing (prone to errors), global parallel (fast…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Ligao Deng , Yupeng Deng , Yu Meng , Jingbo Chen , Zhihao Xi , Diyou Liu , Qifeng Chu

Retrieving images from large and varied repositories using visual contents has been one of major research items, but a challenging task in the image management community. In this paper we present an efficient approach for region-based image…

Computer Vision and Pattern Recognition · Computer Science 2010-06-24 S. Sadek , A. Al-Hamadi , B. Michaelis , U. Sayed

Most existing approaches for visual localization either need a detailed 3D model of the environment or, in the case of learning-based methods, must be retrained for each new scene. This can either be very expensive or simply impossible for…

Robotics · Computer Science 2021-06-22 Dominik Winkelbauer , Maximilian Denninger , Rudolph Triebel

Mapping and localization are two essential tasks for mobile robots in real-world applications. However, largescale and dynamic scenes challenge the accuracy and robustness of most current mature solutions. This situation becomes even worse…

Robotics · Computer Science 2022-01-19 Fan Wang , Chaofan Zhang , Fulin Tang , Hongkui Jiang , Yihong Wu , Yong Liu

The increasing deployment of large antenna arrays at base stations has significantly improved the spatial resolution and localization accuracy of radio-localization methods. However, traditional signal processing techniques struggle in…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Baptiste Chatelier , Vincent Corlay , Musa Furkan Keskin , Matthieu Crussière , Henk Wymeersch , Luc Le Magoarou

Generative image models are increasingly being used for training data augmentation in vision tasks. In the context of automotive object detection, methods usually focus on producing augmented frames that look as realistic as possible, for…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Jens Petersen , Davide Abati , Amirhossein Habibian , Auke Wiggers

Image geolocalization, in which an AI model traditionally predicts the precise GPS coordinates of an image, is a challenging task with many downstream applications. However, the user cannot utilize the model to further their knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Ron Campos , Ashmal Vayani , Parth Parag Kulkarni , Rohit Gupta , Aizan Zafar , Aritra Dutta , Mubarak Shah

We propose a novel AutoRegressive Generation-based paradigm for image Segmentation (ARGenSeg), achieving multimodal understanding and pixel-level perception within a unified framework. Prior works integrating image segmentation into…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Xiaolong Wang , Lixiang Ru , Ziyuan Huang , Kaixiang Ji , Dandan Zheng , Jingdong Chen , Jun Zhou

Urban region profiling from web-sourced data is of utmost importance for urban planning and sustainable development. We are witnessing a rising trend of LLMs for various fields, especially dealing with multi-modal data research such as…

Computation and Language · Computer Science 2024-03-26 Yibo Yan , Haomin Wen , Siru Zhong , Wei Chen , Haodong Chen , Qingsong Wen , Roger Zimmermann , Yuxuan Liang

Rich feature representations derived from CLIP-ViT have been widely utilized in AI-generated image detection. While most existing methods primarily leverage features from the final layer, we systematically analyze the contributions of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 NaHyeon Park , Kunhee Kim , Junsuk Choe , Hyunjung Shim

In this paper, we address the problem of global-scale image geolocation, proposing a mixed classification-retrieval scheme. Unlike other methods that strictly tackle the problem as a classification or retrieval task, we combine the two…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Giorgos Kordopatis-Zilos , Panagiotis Galopoulos , Symeon Papadopoulos , Ioannis Kompatsiaris

The vast amount of geo-tagged social images has attracted great attention in research of predicting location using the plentiful content of images, such as visual content and textual description. Most of the existing researches use the…

Information Retrieval · Computer Science 2015-05-18 Xiaoming Zhang , Zhoujun Li , Senzhang Wang , Yang Yang , Xueqiang Lv

The task of large-scale retrieval-based image localization is to estimate the geographical location of a query image by recognizing its nearest reference images from a city-scale dataset. However, the general public benchmarks only provide…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Yixiao Ge , Haibo Wang , Feng Zhu , Rui Zhao , Hongsheng Li

Building robust and generic object detection frameworks requires scaling to larger label spaces and bigger training datasets. However, it is prohibitively costly to acquire annotations for thousands of categories at a large scale. We…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Shiyu Zhao , Zhixing Zhang , Samuel Schulter , Long Zhao , Vijay Kumar B. G , Anastasis Stathopoulos , Manmohan Chandraker , Dimitris Metaxas

Visual Geo-localization (VG) refers to the process to identify the location described in query images, which is widely applied in robotics field and computer vision tasks, such as autonomous driving, metaverse, augmented reality, and SLAM.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Chen Mao , Jingqi Hu

For scalable autonomous driving, a robust map-based localization system, independent of GPS, is fundamental. To achieve such map-based localization, online high-definition (HD) map construction plays a significant role in accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Juyeb Shin , Hyeonjun Jeong , Francois Rameau , Dongsuk Kum

AI-driven geometric problem solving is a complex vision-language task that requires accurate diagram interpretation, mathematical reasoning, and robust cross-modal grounding. A foundational yet underexplored capability for this task is the…

Machine Learning · Computer Science 2025-09-26 Bing Liu , Wenqiang Yv , Xuzheng Yang , Shichang Wang , Junzhuo Liu , Peng Wang , Guoqing Wang , Yang Yang , Heng Tao Shen

Recognizing arbitrary multi-character text in unconstrained natural photographs is a hard problem. In this paper, we address an equally hard sub-problem in this domain viz. recognizing arbitrary multi-digit numbers from Street View imagery.…

Computer Vision and Pattern Recognition · Computer Science 2014-04-15 Ian J. Goodfellow , Yaroslav Bulatov , Julian Ibarz , Sacha Arnoud , Vinay Shet