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Recognizing and localizing objects in the 3D space is a crucial ability for an AI agent to perceive its surrounding environment. While significant progress has been achieved with expensive LiDAR point clouds, it poses a great challenge for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Li Wang , Li Zhang , Yi Zhu , Zhi Zhang , Tong He , Mu Li , Xiangyang Xue

Existing oriented object detection methods commonly use metric AP$_{50}$ to measure the performance of the model. We argue that AP$_{50}$ is inherently unsuitable for oriented object detection due to its large tolerance in angle deviation.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Ying Zeng , Yushi Chen , Xue Yang , Qingyun Li , Junchi Yan

Accurate 3D object detection is a critical component of autonomous driving, enabling vehicles to perceive their surroundings with precision and make informed decisions. LiDAR sensors, widely used for their ability to provide detailed 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Christoph Griesbacher , Christian Fruhwirth-Reisinger

Autonomous driving datasets are often skewed and in particular, lack training data for objects at farther distances from the ego vehicle. The imbalance of data causes a performance degradation as the distance of the detected objects…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Jordan S. K. Hu , Steven L. Waslander

Accurate 3D object detection with LiDAR is critical for autonomous driving. Existing research is all based on the flat-world assumption. However, the actual road can be complex with steep sections, which breaks the premise. Current methods…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Junyuan Ouyang , Haoyao Chen

Recent developments and the beginning market introduction of high-resolution imaging 4D (3+1D) radar sensors have initialized deep learning-based radar perception research. We investigate deep learning-based models operating on radar point…

Robotics · Computer Science 2023-08-11 Patrick Palmer , Martin Krueger , Richard Altendorfer , Ganesh Adam , Torsten Bertram

Compared to 2D lanes, real 3D lane data is difficult to collect accurately. In this paper, we propose a novel method for training 3D lanes with only 2D lane labels, called weakly supervised 3D lane detection WS-3D-Lane. By assumptions of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Jianyong Ai , Wenbo Ding , Jiuhua Zhao , Jiachen Zhong

Cameras and LiDARs are both important sensors for autonomous driving, playing critical roles in 3D object detection. Camera-LiDAR Fusion has been a prevalent solution for robust and accurate driving perception. In contrast to the vast…

Robotics · Computer Science 2024-03-05 Ye Li , Hanjiang Hu , Zuxin Liu , Xiaohao Xu , Xiaonan Huang , Ding Zhao

We focus on the task of far-field 3D detection (Far3Det) of objects beyond a certain distance from an observer, e.g., $>$50m. Far3Det is particularly important for autonomous vehicles (AVs) operating at highway speeds, which require…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Shubham Gupta , Jeet Kanjani , Mengtian Li , Francesco Ferroni , James Hays , Deva Ramanan , Shu Kong

Combining LiDAR and camera data has shown potential in enhancing short-distance object detection in autonomous driving systems. Yet, the fusion encounters difficulties with extended distance detection due to the contrast between LiDAR's…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Tanmoy Dam , Sanjay Bhargav Dharavath , Sameer Alam , Nimrod Lilith , Supriyo Chakraborty , Mir Feroskhan

Estimating accurate 3D locations of objects from monocular images is a challenging problem because of lacking depth. Previous work shows that utilizing the object's keypoint projection constraints to estimate multiple depth candidates…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Yingyan Li , Yuntao Chen , Jiawei He , Zhaoxiang Zhang

Supervised 3D Object Detection models have been displaying increasingly better performance in single-domain cases where the training data comes from the same environment and sensor as the testing data. However, in real-world scenarios data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Louis Soum-Fontez , Jean-Emmanuel Deschaud , François Goulette

One-stage object detectors are trained by optimizing classification-loss and localization-loss simultaneously, with the former suffering much from extreme foreground-background class imbalance issue due to the large number of anchors. This…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Kean Chen , Jianguo Li , Weiyao Lin , John See , Ji Wang , Lingyu Duan , Zhibo Chen , Changwei He , Junni Zou

Recent advances in autonomous driving have underscored the importance of accurate 3D object detection, with LiDAR playing a central role due to its robustness under diverse visibility conditions. However, different vehicle platforms often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Satoshi Tanaka , Kok Seang Tan , Isamu Yamashita

LiDAR-based 3D object detection is crucial for various applications but often experiences performance degradation in real-world deployments due to domain shifts. While most studies focus on cross-dataset shifts, such as changes in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Zhuoxiao Chen , Junjie Meng , Mahsa Baktashmotlagh , Yonggang Zhang , Zi Huang , Yadan Luo

This paper presents a novel 3D object detection framework that processes LiDAR data directly on its native representation: range images. Benefiting from the compactness of range images, 2D convolutions can efficiently process dense LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Alex Bewley , Pei Sun , Thomas Mensink , Dragomir Anguelov , Cristian Sminchisescu

In the recent literature, on the one hand, many 3D multi-object tracking (MOT) works have focused on tracking accuracy and neglected computation speed, commonly by designing rather complex cost functions and feature extractors. On the other…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Xiyang Wang , Chunyun Fu , Zhankun Li , Ying Lai , Jiawei He

In the domain of autonomous driving, deep learning has substantially improved the 3D object detection accuracy for LiDAR and stereo camera data alike. While deep networks are great at generalization, they are also notorious to over-fit to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Yan Wang , Xiangyu Chen , Yurong You , Li Erran , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger , Wei-Lun Chao

Input aggregation is a simple technique used by state-of-the-art LiDAR 3D object detectors to improve detection. However, increasing aggregation is known to have diminishing returns and even performance degradation, due to objects…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Chengjie Huang , Vahdat Abdelzad , Sean Sedwards , Krzysztof Czarnecki

The proliferation of smartphones and other mobile devices provides a unique opportunity to make Advanced Driver Assistance Systems (ADAS) accessible to everyone in the form of an application empowered by low-cost Machine/Deep Learning…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Muhammad Zaeem Shahzad , Muhammad Abdullah Hanif , Muhammad Shafique
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