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A video autoencoder is proposed for learning disentan- gled representations of 3D structure and camera pose from videos in a self-supervised manner. Relying on temporal continuity in videos, our work assumes that the 3D scene structure in…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Zihang Lai , Sifei Liu , Alexei A. Efros , Xiaolong Wang

We present a surprisingly simple and efficient method for self-supervision of 3D backbone on automotive Lidar point clouds. We design a contrastive loss between features of Lidar scans captured in the same scene. Several such approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Corentin Sautier , Gilles Puy , Alexandre Boulch , Renaud Marlet , Vincent Lepetit

Robust 3D object detection is a core challenge for autonomous mobile systems in field robotics. To tackle this issue, many researchers have demonstrated improvements in 3D object detection performance in datasets. However, real-world urban…

Robotics · Computer Science 2024-04-23 Eunho Lee , Minwoo Jung , Ayoung Kim

The transformation of features from 2D perspective space to 3D space is essential to multi-view 3D object detection. Recent approaches mainly focus on the design of view transformation, either pixel-wisely lifting perspective view features…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yuqi Wang , Yuntao Chen , Zhaoxiang Zhang

In autonomous driving and robotics, there is a growing interest in utilizing short-term historical data to enhance multi-camera 3D object detection, leveraging the continuous and correlated nature of input video streams. Recent work has…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Seokha Moon , Hongbeen Park , Jungphil Kwon , Jaekoo Lee , Jinkyu Kim

In recent years, 3D object perception has become a crucial component in the development of autonomous driving systems, providing essential environmental awareness. However, as perception tasks in autonomous driving evolve, their variants…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Yu Wang , Shaohua Wang , Yicheng Li , Mingchun Liu

Imitation Learning can train robots to perform complex and diverse manipulation tasks, but learned policies are brittle with observations outside of the training distribution. 3D scene representations that incorporate observations from…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Albert Wilcox , Mohamed Ghanem , Masoud Moghani , Pierre Barroso , Benjamin Joffe , Animesh Garg

Generating a bird's eye view of road users is beneficial for a variety of applications, including navigation, detecting agent conflicts, and measuring space occupancy, as well as the ability to utilise the metric system to measure distances…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Mohamed R Ibrahim

Roadside camera-driven 3D object detection is a crucial task in intelligent transportation systems, which extends the perception range beyond the limitations of vision-centric vehicles and enhances road safety. While previous studies have…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Hao Shi , Chengshan Pang , Jiaming Zhang , Kailun Yang , Yuhao Wu , Huajian Ni , Yining Lin , Rainer Stiefelhagen , Kaiwei Wang

For safety of autonomous driving, vehicles need to be able to drive under various lighting, weather, and visibility conditions in different environments. These external and environmental factors, along with internal factors associated with…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Yu Shen , Laura Zheng , Manli Shu , Weizi Li , Tom Goldstein , Ming C. Lin

Annotation of large-scale 3D data is notoriously cumbersome and costly. As an alternative, weakly-supervised learning alleviates such a need by reducing the annotation by several order of magnitudes. We propose COARSE3D, a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Rong Li , Anh-Quan Cao , Raoul de Charette

Sparse query-based paradigms have achieved significant success in multi-view 3D detection for autonomous vehicles. Current research faces challenges in balancing between enlarging receptive fields and reducing interference when aggregating…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Jiasen Wang , Zhenglin Li , Ke Sun , Xianyuan Liu , Yang Zhou

Existing deep learning-based approaches for monocular 3D object detection in autonomous driving often model the object as a rotated 3D cuboid while the object's geometric shape has been ignored. In this work, we propose an approach for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Zongdai Liu , Dingfu Zhou , Feixiang Lu , Jin Fang , Liangjun Zhang

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

Children learn to build a visual representation of the world from unsupervised exploration and we hypothesize that a key part of this learning ability is the use of self-generated navigational information as a similarity label to drive a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-17 Lizhen Zhu , Brad Wyble , James Z. Wang

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

Most automated driving systems comprise a diverse sensor set, including several cameras, Radars, and LiDARs, ensuring a complete 360\deg coverage in near and far regions. Unlike Radar and LiDAR, which measure directly in 3D, cameras capture…

Voxel-based methods have achieved state-of-the-art performance for 3D object detection in autonomous driving. However, their significant computational and memory costs pose a challenge for their application to resource-constrained vehicles.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Tianchen Zhao , Xuefei Ning , Ke Hong , Zhongyuan Qiu , Pu Lu , Yali Zhao , Linfeng Zhang , Lipu Zhou , Guohao Dai , Huazhong Yang , Yu Wang

In this paper, a multi-modal 360$^{\circ}$ framework for 3D object detection and tracking for autonomous vehicles is presented. The process is divided into four main stages. First, images are fed into a CNN network to obtain instance…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Jorge Beltrán , Carlos Guindel , Irene Cortés , Alejandro Barrera , Armando Astudillo , Jesús Urdiales , Mario Álvarez , Farid Bekka , Vicente Milanés , Fernando García

3D visual perception tasks based on multi-camera images are essential for autonomous driving systems. Latest work in this field performs 3D object detection by leveraging multi-view images as an input and iteratively enhancing object…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Jongwoo Park , Apoorv Singh , Varun Bankiti