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In recent times, the scope of LIDAR (Light Detection and Ranging) sensor-based technology has spread across numerous fields. It is popularly used to map terrain and navigation information into reliable 3D point cloud data, potentially…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Aakash Kumar , Jyoti Kini , Mubarak Shah , Ajmal Mian

Real-time multi-camera 3D reconstruction is crucial for 3D perception, immersive interaction, and robotics. Existing methods struggle with multi-view fusion, camera extrinsic uncertainty, and scalability for large camera setups. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Chentian Sun

Dense colored point clouds enhance visual perception and are of significant value in various robotic applications. However, existing learning-based point cloud upsampling methods are constrained by computational resources and batch…

Robotics · Computer Science 2024-09-04 Zixuan Guo , Yifan Xie , Weijing Xie , Peng Huang , Fei Ma , Fei Richard Yu

Point clouds arising from structured data, mainly as a result of CT scans, provides special properties on the distribution of points and the distances between those. Yet often, the amount of data provided can not compare to unstructured…

Computational Geometry · Computer Science 2017-02-16 Franziska Lippoldt , Hartmut Schwandt

Designing a point cloud upsampler, which aims to generate a clean and dense point cloud given a sparse point representation, is a fundamental and challenging problem in computer vision. A line of attempts achieves this goal by establishing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Pingping Cai , Zhenyao Wu , Xinyi Wu , Song Wang

In the efforts for safer roads, ensuring adequate vertical clearance above roadways is of great importance. Frequently, trees or other vegetation is growing above the roads, blocking the sight of traffic signs and lights and posing danger…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Miriam Louise Carnot , Eric Peukert , Bogdan Franczyk

3D urban reconstruction of buildings from remotely sensed imagery has drawn significant attention during the past two decades. While aerial imagery and LiDAR provide higher resolution, satellite imagery is cheaper and more efficient to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Bo Xu , Xu Zhang , Zhixin Li , Matt Leotta , Shih-Fu Chang , Jie Shan

Object detection applied to LiDAR point clouds is a relevant task in robotics, and particularly in autonomous driving. Single frame methods, predominant in the field, exploit information from individual sensor scans. Recent approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-01-01 Ernesto Lozano Calvo , Bernardo Taveira , Fredrik Kahl , Niklas Gustafsson , Jonathan Larsson , Adam Tonderski

Data augmentation is a powerful technique to increase the diversity of data, which can effectively improve the generalization ability of neural networks in image recognition tasks. Recent data mixing based augmentation strategies have…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Jie Qin , Jiemin Fang , Qian Zhang , Wenyu Liu , Xingang Wang , Xinggang Wang

Data augmentation is crucial for improving the robustness of face detection systems, especially under challenging conditions such as occlusion, illumination variation, and complex environments. Traditional copy paste augmentation often…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Qiushi Guo

Efficient data utilization is crucial for advancing 3D scene understanding in autonomous driving, where reliance on heavily human-annotated LiDAR point clouds challenges fully supervised methods. Addressing this, our study extends into…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Lingdong Kong , Xiang Xu , Jiawei Ren , Wenwei Zhang , Liang Pan , Kai Chen , Wei Tsang Ooi , Ziwei Liu

Unsupervised point cloud segmentation is critical for embodied artificial intelligence and autonomous driving, as it mitigates the prohibitive cost of dense point-level annotations required by fully supervised methods. While integrating 2D…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Yixiao Song , Qingyong Li , Wen Wang , Zhicheng Yan

LiDARs are usually more accurate than cameras in distance measuring. Hence, there is strong interest to apply LiDARs in autonomous driving. Different existing approaches process the rich 3D point clouds for object detection, tracking and…

Robotics · Computer Science 2020-10-15 You Li , Clément Le Bihan , Txomin Pourtau , Thomas Ristorcelli

This paper deals with the development of a localization methodology for autonomous vehicles using only a $3\Dim$ LIDAR sensor. In the context of this paper, localizing a vehicle in a known 3D global map of the environment is essentially to…

Robotics · Computer Science 2023-02-15 Naga Venkat Adurthi

Acquiring accurate three-dimensional depth information conventionally requires expensive multibeam LiDAR devices. Recently, researchers have developed a less expensive option by predicting depth information from two-dimensional color…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Peng Yin , Jianing Qian , Yibo Cao , David Held , Howie Choset

Image alignment and image restoration are classical computer vision tasks. However, there is still a lack of datasets that provide enough data to train and evaluate end-to-end deep learning models. Obtaining ground-truth data for image…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

In this paper, we introduce Cirrus, a new long-range bi-pattern LiDAR public dataset for autonomous driving tasks such as 3D object detection, critical to highway driving and timely decision making. Our platform is equipped with a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Ze Wang , Sihao Ding , Ying Li , Jonas Fenn , Sohini Roychowdhury , Andreas Wallin , Lane Martin , Scott Ryvola , Guillermo Sapiro , Qiang Qiu

Robust and accurate localization is a basic requirement for mobile autonomous systems. Pole-like objects, such as traffic signs, poles, and lamps are frequently used landmarks for localization in urban environments due to their local…

Robotics · Computer Science 2022-08-16 Hao Dong , Xieyuanli Chen , Simo Särkkä , Cyrill Stachniss

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Jacek Komorowski

Recently, arbitrary-scale point cloud upsampling mechanism became increasingly popular due to its efficiency and convenience for practical applications. To achieve this, most previous approaches formulate it as a problem of surface…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Hang Du , Xuejun Yan , Jingjing Wang , Di Xie , Shiliang Pu