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Weakly supervised point cloud semantic segmentation methods that require 1\% or fewer labels, hoping to realize almost the same performance as fully supervised approaches, which recently, have attracted extensive research attention. A…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Tianfang Sun , Zhizhong Zhang , Xin Tan , Yanyun Qu , Yuan Xie , Lizhuang Ma

A robust awareness of how dynamic scenes evolve is essential for Autonomous Driving systems, as they must accurately detect, track, and predict the behaviour of surrounding obstacles. Traditional perception pipelines that rely on modular…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Miguel Antunes-García , Santiago Montiel-Marín , Fabio Sánchez-García , Rodrigo Gutiérrez-Moreno , Rafael Barea , Luis M. Bergasa

Learning with neural networks from a continuous stream of visual information presents several challenges due to the non-i.i.d. nature of the data. However, it also offers novel opportunities to develop representations that are consistent…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Simone Marullo , Matteo Tiezzi , Marco Gori , Stefano Melacci

Segmenting object instances is a key task in machine perception, with safety-critical applications in robotics and autonomous driving. We introduce a novel approach to instance segmentation that jointly leverages measurements from multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Alex Zihao Zhu , Vincent Casser , Reza Mahjourian , Henrik Kretzschmar , Sören Pirk

In autonomous driving scenarios, the collected LiDAR point clouds can be challenged by occlusion and long-range sparsity, limiting the perception of autonomous driving systems. Scene completion methods can infer the missing parts of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Andrea Matteazzi , Dietmar Tutsch

Contrastive self-supervised learning has outperformed supervised pretraining on many downstream tasks like segmentation and object detection. However, current methods are still primarily applied to curated datasets like ImageNet. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Luc Van Gool

We present BEVCon, a simple yet effective contrastive learning framework designed to improve Bird's Eye View (BEV) perception in autonomous driving. BEV perception offers a top-down-view representation of the surrounding environment, making…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Ziyang Leng , Jiawei Yang , Zhicheng Ren , Bolei Zhou

Integrating LiDAR and Camera information into Bird's-Eye-View (BEV) has become an essential topic for 3D object detection in autonomous driving. Existing methods mostly adopt an independent dual-branch framework to generate LiDAR and camera…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Hongxiang Cai , Zeyuan Zhang , Zhenyu Zhou , Ziyin Li , Wenbo Ding , Jiuhua Zhao

Domain adaptation for Cross-LiDAR 3D detection is challenging due to the large gap on the raw data representation with disparate point densities and point arrangements. By exploring domain-invariant 3D geometric characteristics and motion…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Xidong Peng , Xinge Zhu , Yuexin Ma

Geometry and color information provided by the point clouds are both crucial for 3D scene understanding. Two pieces of information characterize the different aspects of point clouds, but existing methods lack an elaborate design for the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Guofan Fan , Zekun Qi , Wenkai Shi , Kaisheng Ma

Dashboard cameras capture a tremendous amount of driving scene video each day. These videos are purposefully coupled with vehicle sensing data, such as from the speedometer and inertial sensors, providing an additional sensing modality for…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Seokju Lee , Junsik Kim , Tae-Hyun Oh , Yongseop Jeong , Donggeun Yoo , Stephen Lin , In So Kweon

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

3D LiDAR scanners are playing an increasingly important role in autonomous driving as they can generate depth information of the environment. However, creating large 3D LiDAR point cloud datasets with point-level labels requires a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Xiangyu Yue , Bichen Wu , Sanjit A. Seshia , Kurt Keutzer , Alberto L. Sangiovanni-Vincentelli

Unsupervised image representations have significantly reduced the gap with supervised pretraining, notably with the recent achievements of contrastive learning methods. These contrastive methods typically work online and rely on a large…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Mathilde Caron , Ishan Misra , Julien Mairal , Priya Goyal , Piotr Bojanowski , Armand Joulin

Traversability estimation is critical for enabling robots to navigate across diverse terrains and environments. While recent self-supervised learning methods achieve promising results, they often fail to capture the characteristics of…

Robotics · Computer Science 2025-08-26 Zipeng Fang , Yanbo Wang , Lei Zhao , Weidong Chen

Detecting lane markings in road scenes poses a challenge due to their intricate nature, which is susceptible to unfavorable conditions. While lane markings have strong shape priors, their visibility is easily compromised by lighting…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Ali Zoljodi , Sadegh Abadijou , Mina Alibeigi , Masoud Daneshtalab

Learning socially-aware motion representations is at the core of recent advances in multi-agent problems, such as human motion forecasting and robot navigation in crowds. Despite promising progress, existing representations learned with…

Machine Learning · Computer Science 2021-08-23 Yuejiang Liu , Qi Yan , Alexandre Alahi

In order to plan a safe maneuver an autonomous vehicle must accurately perceive its environment, and understand the interactions among traffic participants. In this paper, we aim to learn scene-consistent motion forecasts of complex urban…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Sergio Casas , Cole Gulino , Simon Suo , Katie Luo , Renjie Liao , Raquel Urtasun

Moving object segmentation (MOS) on LiDAR point clouds is crucial for autonomous systems like self-driving vehicles. Previous supervised approaches rely heavily on costly manual annotations, while LiDAR sequences naturally capture temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Ziliang Miao , Runjian Chen , Yixi Cai , Buwei He , Wenquan Zhao , Wenqi Shao , Bo Zhang , Fu Zhang

Forecasting a typical object's future motion is a critical task for interpreting and interacting with dynamic environments in computer vision. Event-based sensors, which could capture changes in the scene with exceptional temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Song Wu , Zhiyu Zhu , Junhui Hou , Guangming Shi , Jinjian Wu