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Building on progress in feature representations for image retrieval, image-based localization has seen a surge of research interest. Image-based localization has the advantage of being inexpensive and efficient, often avoiding the use of 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Janine Thoma , Danda Pani Paudel , Ajad Chhatkuli , Thomas Probst , Luc Van Gool

3D object detection based on roadside cameras is an additional way for autonomous driving to alleviate the challenges of occlusion and short perception range from vehicle cameras. Previous methods for roadside 3D object detection mainly…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Xiahan Chen , Mingjian Chen , Sanli Tang , Yi Niu , Jiang Zhu

Traffic sign recognition is a well-researched problem in computer vision. However, the state of the art methods works only for frequent sign classes, which are well represented in training datasets. We consider the task of rare traffic sign…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Anton Konushin , Boris Faizov , Vlad Shakhuro

HD (High Definition) map based on 3D lidar plays a vital role in autonomous vehicle localization, planning, decision-making, perception, etc. Many 3D lidar mapping technologies related to SLAM (Simultaneous Localization and Mapping) are…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Guibin Chen , Jiong Deng , Dongze Huang , Shuo Zhang

3D object detection is a key perception component in autonomous driving. Most recent approaches are based on Lidar sensors only or fused with cameras. Maps (e.g., High Definition Maps), a basic infrastructure for intelligent vehicles,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Jin Fang , Dingfu Zhou , Xibin Song , Liangjun Zhang

We propose a novel traffic sign detection system that simultaneously estimates the location and precise boundary of traffic signs using convolutional neural network (CNN). Estimating the precise boundary of traffic signs is important in…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Hee Seok Lee , Kang Kim

3D visual grounding aims to localize the object in 3D point cloud scenes that semantically corresponds to given natural language sentences. It is very critical for roadside infrastructure system to interpret natural languages and localize…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Panquan Yang , Junfei Huang , Zongzhangbao Yin , Yingsong Hu , Anni Xu , Xinyi Luo , Xueqi Sun , Hai Wu , Sheng Ao , Zhaoxing Zhu , Chenglu Wen , Cheng Wang

3D geometry is a very informative cue when interacting with and navigating an environment. This writing proposes a new approach to 3D reconstruction and scene understanding, which implicitly learns 3D geometry from depth maps pairing a deep…

Computer Vision and Pattern Recognition · Computer Science 2018-08-22 Dario Rethage , Federico Tombari , Felix Achilles , Nassir Navab

Large-scale scene data is essential for training and testing in robot learning. Neural reconstruction methods have promised the capability of reconstructing large physically-grounded outdoor scenes from captured sensor data. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Julian Ost , Andrea Ramazzina , Amogh Joshi , Maximilian Bömer , Mario Bijelic , Felix Heide

Monocular depth estimation has been a popular area of research for several years, especially since self-supervised networks have shown increasingly good results in bridging the gap with supervised and stereo methods. However, these…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Daniel Braun , Olivier Morel , Pascal Vasseur , Cédric Demonceaux

Multi-beam LiDAR sensors, as used on autonomous vehicles and mobile robots, acquire sequences of 3D range scans ("frames"). Each frame covers the scene sparsely, due to limited angular scanning resolution and occlusion. The sparsity…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Shengyu Huang , Zan Gojcic , Jiahui Huang , Andreas Wieser , Konrad Schindler

Road detection and segmentation is a crucial task in computer vision for safe autonomous driving. With this in mind, a new net architecture (3D-DEEP) and its end-to-end training methodology for CNN-based semantic segmentation are described…

Computer Vision and Pattern Recognition · Computer Science 2021-01-28 A. Hernández , S. Woo , H. Corrales , I. Parra , E. Kim , D. F. Llorca , M. A. Sotelo

Monocular multi-object detection and localization in 3D space has been proven to be a challenging task. The MoNet3D algorithm is a novel and effective framework that can predict the 3D position of each object in a monocular image and draw a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Xichuan Zhou , Yicong Peng , Chunqiao Long , Fengbo Ren , Cong Shi

In this work, we consider the problem of estimating the 3D position of multiple humans in a scene as well as their body shape and articulation from a single RGB video recorded with a static camera. In contrast to expensive marker-based or…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Diogo Luvizon , Marc Habermann , Vladislav Golyanik , Adam Kortylewski , Christian Theobalt

Multi-Target Multi-Camera Tracking (MTMC) is an essential computer vision task for automating large-scale surveillance. With camera calibration and depth information, the targets in the scene can be projected into 3D space, offering…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Vu-Minh Le , Thao-Anh Tran , Duc Huy Do , Xuan Canh Do , Huong Ninh , Hai Tran

Road unevenness significantly impacts the safety and comfort of traffic participants, especially vulnerable groups such as cyclists and wheelchair users. To train models for comprehensive road surface assessments, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Alexandra Kapp , Edith Hoffmann , Esther Weigmann , Helena Mihaljević

We present a novel approach for estimating depth from a monocular camera as it moves through complex and crowded indoor environments, e.g., a department store or a metro station. Our approach predicts absolute scale depth maps over the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Dongki Jung , Jaehoon Choi , Yonghan Lee , Deokhwa Kim , Changick Kim , Dinesh Manocha , Donghwan Lee

Higher level functionality in autonomous driving depends strongly on a precise motion estimate of the vehicle. Powerful algorithms have been developed. However, their great majority focuses on either binocular imagery or pure LIDAR…

Robotics · Computer Science 2018-07-20 Johannes Graeter , Alexander Wilczynski , Martin Lauer

Accurate localization is essential for robotics and augmented reality applications such as autonomous navigation. Vision-based methods combining prior maps aim to integrate LiDAR-level accuracy with camera cost efficiency for robust pose…

Robotics · Computer Science 2025-03-06 Jie Deng , Fengtian Lang , Zikang Yuan , Xin Yang

While Open Set Semantic Mapping and 3D Semantic Scene Graphs (3DSSGs) are established paradigms in robotic perception, deploying them effectively to support high-level reasoning in large-scale, real-world environments remains a significant…

Robotics · Computer Science 2026-02-04 Martin Günther , Felix Igelbrink , Oscar Lima , Lennart Niecksch , Marian Renz , Martin Atzmueller