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LiDAR-based localization serves as a critical component in autonomous systems, yet existing approaches face persistent challenges in balancing repeatability, accuracy, and environmental adaptability. Traditional point cloud registration…

Robotics · Computer Science 2025-08-01 Haoxuan Jiang , Peicong Qian , Yusen Xie , Xiaocong Li , Ming Liu , Jun Ma

Accurate underwater target localization is essential for underwater exploration. To improve accuracy and efficiency in complex underwater environments, we propose the Electric Field Inversion-Localization Network (EFILN), a deep feedforward…

Systems and Control · Electrical Eng. & Systems 2024-12-18 Yimian Ding , Jingzehua Xu , Guanwen Xie , Haoyu Wang , Weiyi Liu , Yi Li

Camera relocalisation is an important problem in computer vision, with applications in simultaneous localisation and mapping, virtual/augmented reality and navigation. Common techniques either match the current image against keyframes with…

Computer Vision and Pattern Recognition · Computer Science 2017-06-27 Tommaso Cavallari , Stuart Golodetz , Nicholas A. Lord , Julien Valentin , Luigi Di Stefano , Philip H. S. Torr

From Vision-Language-Action (VLA) systems to robotics, existing egocentric datasets primarily focus on action recognition tasks, while largely overlooking the inherent role of motion analysis in sports and other fast-movement scenarios. To…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Si-En Hong , James Tribble , Alexander Lake , Hao Wang , Chaoyi Zhou , Ashish Bastola , Siyu Huang , Eisa Chaudhary , Brian Canada , Ismahan Arslan-Ari , Abolfazl Razi

Point cloud based retrieval for place recognition is still a challenging problem due to drastic appearance and illumination changes of scenes in changing environments. Existing deep learning based global descriptors for the retrieval task…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Le Hui , Mingmei Cheng , Jin Xie , Jian Yang

The technology for Visual Odometry (VO) that estimates the position and orientation of the moving object through analyzing the image sequences captured by on-board cameras, has been well investigated with the rising interest in autonomous…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Ran Zhu , Mingkun Yang , Wang Liu , Rujun Song , Bo Yan , Zhuoling Xiao

Visually localizing an image, i.e., estimating its camera pose, requires building a scene representation that serves as a visual map. The representation we choose has direct consequences towards the practicability of our system. Even when…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Axel Barroso-Laguna , Tommaso Cavallari , Victor Adrian Prisacariu , Eric Brachmann

Localizing the camera in a known indoor environment is a key building block for scene mapping, robot navigation, AR, etc. Recent advances estimate the camera pose via optimization over the 2D/3D-3D correspondences established between the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Siyan Dong , Qingnan Fan , He Wang , Ji Shi , Li Yi , Thomas Funkhouser , Baoquan Chen , Leonidas Guibas

Electroencephalography (EEG)-based emotion recognition has gained significant traction due to its accuracy and objectivity. However, the non-stationary nature of EEG signals leads to distribution drift over time, causing severe performance…

Machine Learning · Computer Science 2024-09-25 Ming Jin , Danni Zhang , Gangming Zhao , Changde Du , Jinpeng Li

Localization is paramount for autonomous robots. While camera and LiDAR-based approaches have been extensively investigated, they are affected by adverse illumination and weather conditions. Therefore, radar sensors have recently gained…

Robotics · Computer Science 2024-11-05 Abhijeet Nayak , Daniele Cattaneo , Abhinav Valada

Recent advancements in visual localization and mapping have demonstrated considerable success in integrating point and line features. However, expanding the localization framework to include additional mapping components frequently results…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Bach-Thuan Bui , Huy-Hoang Bui , Dinh-Tuan Tran , Joo-Ho Lee

We present Flex, an efficient and effective scene encoder that addresses the computational bottleneck of processing high-volume multi-camera data in end-to-end autonomous driving. Flex employs a small set of learnable scene tokens to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Jiawei Yang , Ziyu Chen , Yurong You , Yan Wang , Yiming Li , Yuxiao Chen , Boyi Li , Boris Ivanovic , Marco Pavone , Yue Wang

Absolute camera pose regressors estimate the position and orientation of a camera given the captured image alone. Typically, a convolutional backbone with a multi-layer perceptron (MLP) head is trained using images and pose labels to embed…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Yoli Shavit , Ron Ferens , Yosi Keller

We present GSLoc: a new visual localization method that performs dense camera alignment using 3D Gaussian Splatting as a map representation of the scene. GSLoc backpropagates pose gradients over the rendering pipeline to align the rendered…

Robotics · Computer Science 2024-10-10 Kazii Botashev , Vladislav Pyatov , Gonzalo Ferrer , Stamatios Lefkimmiatis

We present an approach to estimating camera rotation in crowded, real-world scenes from handheld monocular video. While camera rotation estimation is a well-studied problem, no previous methods exhibit both high accuracy and acceptable…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Fabien Delattre , David Dirnfeld , Phat Nguyen , Stephen Scarano , Michael J. Jones , Pedro Miraldo , Erik Learned-Miller

We present LM-Reloc -- a novel approach for visual relocalization based on direct image alignment. In contrast to prior works that tackle the problem with a feature-based formulation, the proposed method does not rely on feature matching…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Lukas von Stumberg , Patrick Wenzel , Nan Yang , Daniel Cremers

Map-based LiDAR localization, while widely used in autonomous systems, faces significant challenges in degraded environments due to lacking distinct geometric features. This paper introduces SuperLoc, a robust LiDAR localization package…

Robotics · Computer Science 2025-03-31 Shibo Zhao , Honghao Zhu , Yuanjun Gao , Beomsoo Kim , Yuheng Qiu , Aaron M. Johnson , Sebastian Scherer

After years of growth, drone-based delivery is transforming logistics. At its core, real-time 6-DoF drone pose tracking enables precise flight control and accurate drone landing. With the widespread availability of urban 3D maps, the Visual…

LiDAR relocalization has attracted increasing attention as it can deliver accurate 6-DoF pose estimation in complex 3D environments. Recent learning-based regression methods offer efficient solutions by directly predicting global poses…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Jianshi Wu , Minghang Zhu , Dunqiang Liu , Wen Li , Sheng Ao , Siqi Shen , Chenglu Wen , Cheng Wang

Most state-of-the-art localization algorithms rely on robust relative pose estimation and geometry verification to obtain moving object agnostic camera poses in complex indoor environments. However, this approach is prone to mistakes if a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Martina Dubenova , Anna Zderadickova , Ondrej Kafka , Tomas Pajdla , Michal Polic