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This paper studies the problem of exact localization of sparse (point or extended) objects with noisy data. The crux of the proposed approach consists of random illumination. Several recovery methods are analyzed: the Lasso, BPDN and the…

Information Theory · Computer Science 2015-05-19 Albert Fannjiang

Accurate visual re-localization is very critical to many artificial intelligence applications, such as augmented reality, virtual reality, robotics and autonomous driving. To accomplish this task, we propose an integrated visual…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yuhao Zhou , Huanhuan Fan , Shuang Gao , Yuchen Yang , Xudong Zhang , Jijunnan Li , Yandong Guo

Enabling robots to understand the world in terms of objects is a critical building block towards higher level autonomy. The success of foundation models in vision has created the ability to segment and identify nearly all objects in the…

Robotics · Computer Science 2024-04-09 Kurran Singh , Tim Magoun , John J. Leonard

We propose a novel approach for fast and accurate stereo visual Simultaneous Localization and Mapping (SLAM) independent of feature detection and matching. We extend monocular Direct Sparse Odometry (DSO) to a stereo system by optimizing…

Robotics · Computer Science 2021-12-06 Jiawei Mo , Md Jahidul Islam , Junaed Sattar

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

Adapting Vision-Language Models (VLMs) to new domains with few labeled samples remains a significant challenge due to severe overfitting and computational constraints. State-of-the-art solutions, such as low-rank reparameterization,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Nairouz Mrabah , Nicolas Richet , Ismail Ben Ayed , Éric Granger

Existing localization methods that intensively leverage the environment-specific received signal strength (RSS) or channel state information (CSI) of wireless signals are rather accurate in certain environments. However, these methods,…

Signal Processing · Electrical Eng. & Systems 2023-08-30 Jun Gao , Dongze Wu , Feng Yin , Qinglei Kong , Lexi Xu , Shuguang Cui

Few-shot adaptation of vision-language models (VLMs) like CLIP typically relies on learning textual prompts matched to global image embeddings. Recent works extend this paradigm by incorporating local image-text alignment to capture…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Deniz Kizaroğlu , Ülku Tuncer Küçüktas , Emre Çakmakyurdu , Alptekin Temizel

We present LoD-Loc v3, a novel method for generalized aerial visual localization in dense urban environments. While prior work LoD-Loc v2 achieves localization through semantic building silhouette alignment with low-detail city models, it…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Shuaibang Peng , Juelin Zhu , Xia Li , Kun Yang , Maojun Zhang , Yu Liu , Shen Yan

Localization is a critical technology for various applications ranging from navigation and surveillance to assisted living. Localization systems typically fuse information from sensors viewing the scene from different perspectives to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Jason Wu , Ziqi Wang , Xiaomin Ouyang , Ho Lyun Jeong , Colin Samplawski , Lance Kaplan , Benjamin Marlin , Mani Srivastava

Accurate and robust localization remains a significant challenge for autonomous vehicles. The cost of sensors and limitations in local computational efficiency make it difficult to scale to large commercial applications. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Jixiang Wan , Xudong Zhang , Shuzhou Dong , Yuwei Zhang , Yuchen Yang , Ruoxi Wu , Ye Jiang , Jijunnan Li , Jinquan Lin , Ming Yang

Reliable localization is crucial for navigation in forests, where GPS is often degraded and LiDAR measurements are repetitive, occluded, and structurally complex. These conditions weaken the assumptions of traditional urban-centric…

Robotics · Computer Science 2026-02-13 Minwoo Jung , Nived Chebrolu , Lucas Carvalho de Lima , Haedam Oh , Maurice Fallon , Ayoung Kim

Loop closures are essential for correcting odometry drift and creating consistent maps, especially in the context of large-scale navigation. Current methods using dense point clouds for accurate place recognition do not scale well due to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Débora N. P. Oliveira , Joshua Knights , Sebastián Barbas Laina , Simon Boche , Wolfram Burgard , Stefan Leutenegger

Mapping and localization is a critical module of autonomous driving, and significant achievements have been reached in this field. Beyond Global Navigation Satellite System (GNSS), research in point cloud registration, visual feature…

Simultaneous localisation and mapping (SLAM) play a vital role in autonomous robotics. Robotic platforms are often resource-constrained, and this limitation motivates resource-efficient SLAM implementations. While sparse visual SLAM…

Robotics · Computer Science 2023-07-06 Christiaan J. Müller , Corné E. van Daalen

The 3D LiDAR place recognition aims to estimate a coarse localization in a previously seen environment based on a single scan from a rotating 3D LiDAR sensor. The existing solutions to this problem include hand-crafted point cloud…

Robotics · Computer Science 2021-12-28 Kamil Żywanowski , Adam Banaszczyk , Michał R. Nowicki , Jacek Komorowski

This paper addresses the problem of single image depth estimation (SIDE), focusing on improving the quality of deep neural network predictions. In a supervised learning scenario, the quality of predictions is intrinsically related to the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Nícolas Rosa , Vitor Guizilini , Valdir Grassi

Precise and long-term stable localization is essential in parking lots for tasks like autonomous driving or autonomous valet parking, \textit{etc}. Existing methods rely on a fixed and memory-inefficient map, which lacks robust data…

Robotics · Computer Science 2023-10-12 Mingrui Liu , Xinyang Tang , Yeqiang Qian , Jiming Chen , Liang Li

Region-based methods have become increasingly popular for model-based, monocular 3D tracking of texture-less objects in cluttered scenes. However, while they achieve state-of-the-art results, most methods are computationally expensive,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Manuel Stoiber , Martin Pfanne , Klaus H. Strobl , Rudolph Triebel , Alin Albu-Schäffer

3D lane detection has emerged as a critical challenge in autonomous driving, encompassing identification and localization of lane markings and the 3D road surface. Conventional 3D methods detect lanes from dense birds-eye-viewed (BEV)…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Maximilian Pittner , Joel Janai , Mario Faigle , Alexandru Paul Condurache