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Worldwide visual geo-localization aims to determine the geographic location of an image anywhere on Earth using only its visual content. Despite recent progress, learning expressive representations of geographic space remains challenging…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Angel Daruna , Nicholas Meegan , Han-Pang Chiu , Supun Samarasekera , Rakesh Kumar

Scalable sensor simulation is an important yet challenging open problem for safety-critical domains such as self-driving. Current works in image simulation either fail to be photorealistic or do not model the 3D environment and the dynamic…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Yun Chen , Frieda Rong , Shivam Duggal , Shenlong Wang , Xinchen Yan , Sivabalan Manivasagam , Shangjie Xue , Ersin Yumer , Raquel Urtasun

Accurate High-Definition (HD) map construction is critical for autonomous driving, yet existing methods face a fundamental trade-off: vectorization-based approaches preserve topology but struggle with geometric fidelity, while…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Zhenxuan Zeng , Lingxuan Wang , Sheng Yang , Yanan He , Mingxia Chen , Wei Suo , Peng Wang

This paper studies image-based geo-localization (IBL) problem using ground-to-aerial cross-view matching. The goal is to predict the spatial location of a ground-level query image by matching it to a large geotagged aerial image database…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Liu Liu , Hongdong Li

Geolocation is now a vital aspect of modern life, offering numerous benefits but also presenting serious privacy concerns. The advent of large vision-language models (LVLMs) with advanced image-processing capabilities introduces new risks,…

Cryptography and Security · Computer Science 2024-08-20 Yi Liu , Junchen Ding , Gelei Deng , Yuekang Li , Tianwei Zhang , Weisong Sun , Yaowen Zheng , Jingquan Ge , Yang Liu

Worldwide Geo-localization aims to pinpoint the precise location of images taken anywhere on Earth. This task has considerable challenges due to immense variation in geographic landscapes. The image-to-image retrieval-based approaches fail…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Vicente Vivanco Cepeda , Gaurav Kumar Nayak , Mubarak Shah

Modern deep learning developments create new opportunities for 3D mapping technology, scene reconstruction pipelines, and virtual reality development. Despite advances in 3D deep learning technology, direct training of deep learning models…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Xueyang Kang

Predicting realistic ground views from satellite imagery in urban scenes is a challenging task due to the significant view gaps between satellite and ground-view images. We propose a novel pipeline to tackle this challenge, by generating…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Ningli Xu , Rongjun Qin

Cross-View Geo-Localization (CVGL) involves determining the localization of drone images by retrieving the most similar GPS-tagged satellite images. However, the imaging gaps between platforms are often significant and the variations in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Zhongwei Chen , Zhao-Xu Yang , Hai-Jun Rong

Wideband channel estimation (CE) in high-mobility scenarios remains challenging because channel responses vary rapidly, while practical systems can allocate only sparse pilots to accommodate dense users. Fortunately, many high-mobility…

Information Theory · Computer Science 2026-05-18 Yumeng Zhang , Jiajia Guo , Chaozheng Wen , Chenghong Bian , Jun Zhang

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

GeoGebra is an interactive geometry, algebra, statistics, and calculus application designed for teaching and learn-ing math, science, and engineering. Its dynamic interface allows its users to accurately and interactively visualize their…

Computers and Society · Computer Science 2022-02-04 Rushan Ziatdinov , James R. Valles

Reconstructing coherent 3D geometry and appearance from unposed multi-view images is a fundamental yet challenging problem in computer vision. Most existing visual geometry foundation models predict explicit geometry by regressing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Yuqi Wu , Tianyu Hu , Wenzhao Zheng , Yuanhui Huang , Haowen Sun , Jie Zhou , Jiwen Lu

Geometric knowledge has been shown to be beneficial for the stereo matching task. However, prior attempts to integrate geometric insights into stereo matching algorithms have largely focused on geometric knowledge from single images while…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Rui Gong , Weide Liu , Zaiwang Gu , Xulei Yang , Jun Cheng

This paper investigates the effective utilization of unlabeled data for large-area cross-view geo-localization (CVGL), encompassing both unsupervised and semi-supervised settings. Common approaches to CVGL rely on ground-satellite image…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Guopeng Li , Ming Qian , Gui-Song Xia

The existing work in cross-view geo-localization is based on images where a ground panorama is matched to an aerial image. In this work, we focus on ground videos instead of images which provides additional contextual cues which are…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Shruti Vyas , Chen Chen , Mubarak Shah

Worldwide geolocalization aims to locate the precise location at the coordinate level of photos taken anywhere on the Earth. It is very challenging due to 1) the difficulty of capturing subtle location-aware visual semantics, and 2) the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Pengyue Jia , Yiding Liu , Xiaopeng Li , Yuhao Wang , Yantong Du , Xiao Han , Xuetao Wei , Shuaiqiang Wang , Dawei Yin , Xiangyu Zhao

Information retrieval techniques have demonstrated exceptional capabilities in identifying semantic similarities across diverse domains through robust feature representations. However, their potential in guiding synthesis tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Hongji Yang , Yiru Li , Yingying Zhu

Multimodal large language models (MLLMs) have exhibited remarkable performance in various visual tasks, yet still struggle with spatial reasoning. Recent efforts mitigate this by injecting geometric features from 3D foundation models, but…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Zhaochen Liu , Limeng Qiao , Guanglu Wan , Tingting Jiang

Recent advances in 3D Gaussian Splatting (3DGS) have enabled real-time, photorealistic scene reconstruction. However, conventional 3DGS frameworks typically rely on sparse point clouds derived from Structure-from-Motion (SfM), which…

Graphics · Computer Science 2026-03-25 Yan Fang , Jianfei Ge , Jiangjian Xiao