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Related papers: Auto4D: Learning to Label 4D Objects from Sequenti…

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Active learning, a label-efficient paradigm, empowers models to interactively query an oracle for labeling new data. In the realm of LiDAR semantic segmentation, the challenges stem from the sheer volume of point clouds, rendering…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Binhui Xie , Shuang Li , Qingju Guo , Chi Harold Liu , Xinjing Cheng

Semantic annotations are indispensable to train or evaluate perception models, yet very costly to acquire. This work introduces a fully automated 2D/3D labeling framework that, without any human intervention, can generate labels for RGB-D…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Silvan Weder , Hermann Blum , Francis Engelmann , Marc Pollefeys

In this paper, an automatic labelling process is presented for automotive datasets, leveraging on complementary information from LiDAR and camera. The generated labels are then used as ground truth with the corresponding 4D radar data as…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Botao Sun , Ignacio Roldan , Francesco Fioranelli

Whilst the availability of 3D LiDAR point cloud data has significantly grown in recent years, annotation remains expensive and time-consuming, leading to a demand for semi-supervised semantic segmentation methods with application domains…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Li Li , Hubert P. H. Shum , Toby P. Breckon

Automated vehicles rely on an accurate and robust perception of the environment. Similarly to automated cars, highly automated trains require an environmental perception. Although there is a lot of research based on either camera or LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Florian Wulff , Bernd Schaeufele , Julian Pfeifer , Ilja Radusch

Focusing on the strength of 4D (4-Dimensional) radar, research about robust 3D object detection networks in adverse weather conditions has gained attention. To train such networks, datasets that contain large amounts of 4D radar data and…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Min-Hyeok Sun , Dong-Hee Paek , Seung-Hyun Song , Seung-Hyun Kong

Accurate semantic segmentation of terrestrial laser scanning (TLS) point clouds is limited by costly manual annotation. We propose a semi-automated, uncertainty-aware pipeline that integrates spherical projection, feature enrichment,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Fei Zhang , Rob Chancia , Josie Clapp , Amirhossein Hassanzadeh , Dimah Dera , Richard MacKenzie , Jan van Aardt

Inexpensive RGB-D cameras that give an RGB image together with depth data have become widely available. We use this data to build 3D point clouds of a full scene. In this paper, we address the task of labeling objects in this 3D point cloud…

Robotics · Computer Science 2011-06-29 Hema Swetha Koppula , Abhishek Anand , Thorsten Joachims , Ashutosh Saxena

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

Place recognition is essential for achieving closed-loop or global positioning in autonomous vehicles and mobile robots. Despite recent advancements in place recognition using 2D cameras or 3D LiDAR, it remains to be seen how to use 4D…

Robotics · Computer Science 2025-04-08 Shouyi Lu , Guirong Zhuo , Haitao Wang , Quan Zhou , Huanyu Zhou , Renbo Huang , Minqing Huang , Lianqing Zheng , Qiang Shu

Recently, the advancement of deep learning in discriminative feature learning from 3D LiDAR data has led to rapid development in the field of autonomous driving. However, automated processing uneven, unstructured, noisy, and massive 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Ying Li , Lingfei Ma , Zilong Zhong , Fei Liu , Dongpu Cao , Jonathan Li , Michael A. Chapman

LiDAR provides highly accurate 3D point clouds. However, data needs to be manually labelled in order to provide subsequent useful information. Manual annotation of such data is time consuming, tedious and error prone, and hence in this…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Ananya Gupta , Jonathan Byrne , David Moloney , Simon Watson , Hujun Yin

Identifying moving objects is a crucial capability for autonomous navigation, consistent map generation, and future trajectory prediction of objects. In this paper, we propose a novel network that addresses the challenge of segmenting…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Neng Wang , Chenghao Shi , Ruibin Guo , Huimin Lu , Zhiqiang Zheng , Xieyuanli Chen

Autonomous driving requires various computer vision algorithms, such as object detection and tracking.Precisely-labeled datasets (i.e., objects are fully contained in bounding boxes with only a few extra pixels) are preferred for training…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Govind Rathore , Wan-Yi Lin , Ji Eun Kim

Autonomous vehicles need to have a semantic understanding of the three-dimensional world around them in order to reason about their environment. State of the art methods use deep neural networks to predict semantic classes for each point in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Larissa T. Triess , David Peter , Christoph B. Rist , J. Marius Zöllner

This paper proposes an approach for rapid bounding box annotation for object detection datasets. The procedure consists of two stages: The first step is to annotate a part of the dataset manually, and the second step proposes annotations…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Bishwo Adhikari , Jukka Peltomäki , Jussi Puura , Heikki Huttunen

Training deep object detectors requires significant amount of human-annotated images with accurate object labels and bounding box coordinates, which are extremely expensive to acquire. Noisy annotations are much more easily accessible, but…

Computer Vision and Pattern Recognition · Computer Science 2020-03-04 Junnan Li , Caiming Xiong , Richard Socher , Steven Hoi

Training high-accuracy 3D detectors necessitates massive labeled 3D annotations with 7 degree-of-freedom, which is laborious and time-consuming. Therefore, the form of point annotations is proposed to offer significant prospects for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Hongzhi Gao , Zheng Chen , Zehui Chen , Lin Chen , Jiaming Liu , Shanghang Zhang , Feng Zhao

Point clouds provide a flexible and natural representation usable in countless applications such as robotics or self-driving cars. Recently, deep neural networks operating on raw point cloud data have shown promising results on supervised…

Machine Learning · Computer Science 2019-06-04 Jonathan Sauder , Bjarne Sievers

Closed-set 3D perception models trained on only a pre-defined set of object categories can be inadequate for safety critical applications such as autonomous driving where new object types can be encountered after deployment. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Mahyar Najibi , Jingwei Ji , Yin Zhou , Charles R. Qi , Xinchen Yan , Scott Ettinger , Dragomir Anguelov