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Image and Point Clouds provide different information for robots. Finding the correspondences between data from different sensors is crucial for various tasks such as localization, mapping, and navigation. Learning-based descriptors have…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Peng Jiang , Srikanth Saripalli

Accurate 3D object detection in LiDAR point clouds is crucial for autonomous driving systems. To achieve state-of-the-art performance, the supervised training of detectors requires large amounts of human-annotated data, which is expensive…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Christian Fruhwirth-Reisinger , Wei Lin , Dušan Malić , Horst Bischof , Horst Possegger

The success of supervised learning requires large-scale ground truth labels which are very expensive, time-consuming, or may need special skills to annotate. To address this issue, many self- or un-supervised methods are developed. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Longlong Jing , Yucheng Chen , Ling Zhang , Mingyi He , Yingli Tian

An accurate and rapid-response perception system is fundamental for autonomous vehicles to operate safely. 3D object detection methods handle point clouds given by LiDAR sensors to provide accurate depth and position information for each…

Robotics · Computer Science 2020-08-04 Guidong Yang , Simone Mentasti , Mattia Bersani , Yafei Wang , Francesco Braghin , Federico Cheli

Autonomous vehicles may make wrong decisions due to inaccurate detection and recognition. Therefore, an intelligent vehicle can combine its own data with that of other vehicles to enhance perceptive ability, and thus improve detection…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Qi Chen , Sihai Tang , Qing Yang , Song Fu

Recently, the fundamental problem of unsupervised domain adaptation (UDA) on 3D point clouds has been motivated by a wide variety of applications in robotics, virtual reality, and scene understanding, to name a few. The point cloud data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Siddharth Katageri , Arkadipta De , Chaitanya Devaguptapu , VSSV Prasad , Charu Sharma , Manohar Kaul

We present a review of 3D point cloud processing and learning for autonomous driving. As one of the most important sensors in autonomous vehicles, light detection and ranging (LiDAR) sensors collect 3D point clouds that precisely record the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Siheng Chen , Baoan Liu , Chen Feng , Carlos Vallespi-Gonzalez , Carl Wellington

An effective framework for learning 3D representations for perception tasks is distilling rich self-supervised image features via contrastive learning. However, image-to point representation learning for autonomous driving datasets faces…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Anas Mahmoud , Jordan S. K. Hu , Tianshu Kuai , Ali Harakeh , Liam Paull , Steven L. Waslander

State-of-the-art 3D object detectors are often trained on massive labeled datasets. However, annotating 3D bounding boxes remains prohibitively expensive and time-consuming, particularly for LiDAR. Instead, recent works demonstrate that…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Mehar Khurana , Neehar Peri , James Hays , Deva Ramanan

Accurately detecting objects in the environment is a key challenge for autonomous vehicles. However, obtaining annotated data for detection is expensive and time-consuming. We introduce PatchContrast, a novel self-supervised point cloud…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Oren Shrout , Ori Nizan , Yizhak Ben-Shabat , Ayellet Tal

Over the past few years, there has been remarkable progress in research on 3D point clouds and their use in autonomous driving scenarios has become widespread. However, deep learning methods heavily rely on annotated data and often face…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Jin Fang , Dingfu Zhou , Jingjing Zhao , Chenming Wu , Chulin Tang , Cheng-Zhong Xu , Liangjun Zhang

Various state-of-the-art self-supervised visual representation learning approaches take advantage of data from multiple sensors by aligning the feature representations across views and/or modalities. In this work, we investigate how…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Thomas M. Hehn , Julian F. P. Kooij , Dariu M. Gavrila

LiDAR datasets for autonomous driving exhibit biases in properties such as point cloud density, range, and object dimensions. As a result, object detection networks trained and evaluated in different environments often experience…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Deepti Hegde , Suhas Lohit , Kuan-Chuan Peng , Michael J. Jones , Vishal M. Patel

Recent research has demonstrated that Large Language Models (LLMs) are not limited to text-only tasks but can also function as multimodal models across various modalities, including audio, images, and videos. In particular, research on 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Keonwoo Kim , Yeongjae Cho , Taebaek Hwang , Minsoo Jo , Sangdo Han

Accurate 3D object detection is critical for autonomous driving, necessitating reliable, cost-effective sensors capable of operating in adverse weather conditions. Camera and millimeter-wave radar fusion has emerged as a promising solution;…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Bingyi Liu , Chuanhui Zhu , Hongfei Xue , Jian Teng , Jipeng Liu , Enshu Wang , Penglin Dai , Pu Wang

Self-supervised learning (SSL) has the potential to benefit many applications, particularly those where manually annotating data is cumbersome. One such situation is the semantic segmentation of point clouds. In this context, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Yanhao Wu , Tong Zhang , Wei Ke , Sabine Süsstrunk , Mathieu Salzmann

The majority of point cloud registration methods currently rely on extracting features from points. However, these methods are limited by their dependence on information obtained from a single modality of points, which can result in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Yifan Xie , Jihua Zhu , Shiqi Li , Pengcheng Shi

Pretraining on large labeled datasets is a prerequisite to achieve good performance in many computer vision tasks like 2D object recognition, video classification etc. However, pretraining is not widely used for 3D recognition tasks where…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Zaiwei Zhang , Rohit Girdhar , Armand Joulin , Ishan Misra

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

In this paper, we propose a novel self-supervised motion estimator for LiDAR-based autonomous driving via BEV representation. Different from usually adopted self-supervised strategies for data-level structure consistency, we predict scene…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Xiangze Jia , Hui Zhou , Xinge Zhu , Yandong Guo , Ji Zhang , Yuexin Ma