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Visual localization is the problem of estimating the camera pose of a given query image within a known scene. Most state-of-the-art localization approaches follow the structure-based paradigm and use 2D-3D matches between pixels in a query…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Vojtech Panek , Torsten Sattler , Zuzana Kukelova

Visual localization plays a critical role in the functionality of low-cost autonomous mobile robots. Current state-of-the-art approaches for achieving accurate visual localization are 3D scene-specific, requiring additional computational…

Robotics · Computer Science 2023-09-06 Yanmei Jiao , Binxin Zhang , Peng Jiang , Chaoqun Wang , Rong Xiong , Yue Wang

Visual localization, i.e., the problem of camera pose estimation, is a central component of applications such as autonomous robots and augmented reality systems. A dominant approach in the literature, shown to scale to large scenes and to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Vojtech Panek , Zuzana Kukelova , Torsten Sattler

Visual localization aims to determine the camera pose of a query image relative to a database of posed images. In recent years, deep neural networks that directly regress camera poses have gained popularity due to their fast inference…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Siyan Dong , Shuzhe Wang , Shaohui Liu , Lulu Cai , Qingnan Fan , Juho Kannala , Yanchao Yang

Visual localization algorithms, i.e., methods that estimate the camera pose of a query image in a known scene, are core components of many applications, including self-driving cars and augmented / mixed reality systems. State-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Vojtech Panek , Qunjie Zhou , Yaqing Ding , Sérgio Agostinho , Zuzana Kukelova , Torsten Sattler , Laura Leal-Taixé

Visual (re)localization addresses the problem of estimating the 6-DoF (Degree of Freedom) camera pose of a query image captured in a known scene, which is a key building block of many computer vision and robotics applications. Recent…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Siyan Dong , Shuzhe Wang , Yixin Zhuang , Juho Kannala , Marc Pollefeys , Baoquan Chen

Camera relocalization, a cornerstone capability of modern computer vision, accurately determines a camera's position and orientation (6-DoF) from images and is essential for applications in augmented reality (AR), mixed reality (MR),…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Zhendong Xiao , Wu Wei , Shujie Ji , Shan Yang , Changhao Chen

Visual relocalization has been a widely discussed problem in 3D vision: given a pre-constructed 3D visual map, the 6 DoF (Degrees-of-Freedom) pose of a query image is estimated. Relocalization in large-scale indoor environments enables…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Jiahui Zhang , Shitao Tang , Kejie Qiu , Rui Huang , Chuan Fang , Le Cui , Zilong Dong , Siyu Zhu , Ping Tan

Can we relocalize in a scene represented by a single reference image? Standard visual relocalization requires hundreds of images and scale calibration to build a scene-specific 3D map. In contrast, we propose Map-free Relocalization, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Eduardo Arnold , Jamie Wynn , Sara Vicente , Guillermo Garcia-Hernando , Áron Monszpart , Victor Adrian Prisacariu , Daniyar Turmukhambetov , Eric Brachmann

Visual localization is a core component in many applications, including augmented reality (AR). Localization algorithms compute the camera pose of a query image w.r.t. a scene representation, which is typically built from images. This often…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Vojtech Panek , Zuzana Kukelova , Torsten Sattler

We seek to predict the 6 degree-of-freedom (6DoF) pose of a query photograph with respect to a large indoor 3D map. The contributions of this work are three-fold. First, we develop a new large-scale visual localization method targeted for…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Hajime Taira , Masatoshi Okutomi , Torsten Sattler , Mircea Cimpoi , Marc Pollefeys , Josef Sivic , Tomas Pajdla , Akihiko Torii

Visual localization is crucial for Computer Vision and Augmented Reality (AR) applications, where determining the camera or device's position and orientation is essential to accurately interact with the physical environment. Traditional…

Robotics · Computer Science 2025-01-22 Albert Gassol Puigjaner , Irvin Aloise , Patrik Schmuck

We present RELOCATE, a simple training-free baseline designed to perform the challenging task of visual query localization in long videos. To eliminate the need for task-specific training and efficiently handle long videos, RELOCATE…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Savya Khosla , Sethuraman T , Alexander Schwing , Derek Hoiem

Visual localization has traditionally been formulated as a pair-wise pose regression problem. Existing approaches mainly estimate relative poses between two images and employ a late-fusion strategy to obtain absolute pose estimates.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Tianchen Deng , Wenhua Wu , Kunzhen Wu , Guangming Wang , Siting Zhu , Shenghai Yuan , Xun Chen , Guole Shen , Zhe Liu , Hesheng Wang

This technical report introduces CyberLoc, an image-based visual localization pipeline for robust and accurate long-term pose estimation under challenging conditions. The proposed method comprises four modules connected in a sequence.…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Liu Liu , Yukai Lin , Xiao Liang , Qichao Xu , Miao Jia , Yangdong Liu , Yuxiang Wen , Wei Luo , Jiangwei Li

Visual localization is to estimate the 6-DOF camera pose of a query image in a 3D reference map. We extract keypoints from the reference image and generate a 3D reference map with 3D reconstruction of the keypoints in advance. We emphasize…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Masahiko Tsuji , Hitoshi Niigaki , Ryuichi Tanida

Accurate and robust visual localization under a wide range of viewing condition variations including season and illumination changes, as well as weather and day-night variations, is the key component for many computer vision and robotics…

Computer Vision and Pattern Recognition · Computer Science 2019-05-20 Tianxin Shi , Shuhan Shen , Xiang Gao , Lingjie Zhu

The visual camera is an attractive device in beyond visual line of sight (B-VLOS) drone operation, since they are low in size, weight, power, and cost, and can provide redundant modality to GPS failures. However, state-of-the-art visual…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Peng Yin , Ivan Cisneros , Ji Zhang , Howie Choset , Sebastian Scherer

We propose a new method named LoD-Loc for visual localization in the air. Unlike existing localization algorithms, LoD-Loc does not rely on complex 3D representations and can estimate the pose of an Unmanned Aerial Vehicle (UAV) using a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Juelin Zhu , Shen Yan , Long Wang , Shengyue Zhang , Yu Liu , Maojun Zhang

We present LaLaLoc to localise in environments without the need for prior visitation, and in a manner that is robust to large changes in scene appearance, such as a full rearrangement of furniture. Specifically, LaLaLoc performs…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Henry Howard-Jenkins , Jose-Raul Ruiz-Sarmiento , Victor Adrian Prisacariu
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