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As an emerging technology and a relatively affordable device, the 4D imaging radar has already been confirmed effective in performing 3D object detection in autonomous driving. Nevertheless, the sparsity and noisiness of 4D radar point…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Weiyi Xiong , Jianan Liu , Tao Huang , Qing-Long Han , Yuxuan Xia , Bing Zhu

The performance of point cloud 3D object detection hinges on effectively representing raw points, grid-based voxels or pillars. Recent two-stage 3D detectors typically take the point-voxel-based R-CNN paradigm, i.e., the first stage resorts…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Guangsheng Shi , Ruifeng Li , Chao Ma

A critical aspect of autonomous vehicles (AVs) is the object detection stage, which is increasingly being performed with sensor fusion models: multimodal 3D object detection models which utilize both 2D RGB image data and 3D data from a…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Won Park , Nan Liu , Qi Alfred Chen , Z. Morley Mao

Recent advances in monocular 3D detection leverage a depth estimation network explicitly as an intermediate stage of the 3D detection network. Depth map approaches yield more accurate depth to objects than other methods thanks to the depth…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Youngseok Kim , Sanmin Kim , Sangmin Sim , Jun Won Choi , Dongsuk Kum

The detection of 3D objects from LiDAR data is a critical component in most autonomous driving systems. Safe, high speed driving needs larger detection ranges, which are enabled by new LiDARs. These larger detection ranges require more…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Pei Sun , Weiyue Wang , Yuning Chai , Gamaleldin Elsayed , Alex Bewley , Xiao Zhang , Cristian Sminchisescu , Dragomir Anguelov

Modern autonomous vehicles rely heavily on mechanical LiDARs for perception. Current perception methods generally require 360{\deg} point clouds, collected sequentially as the LiDAR scans the azimuth and acquires consecutive wedge-shaped…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Mazen Abdelfattah , Kaiwen Yuan , Z. Jane Wang , Rabab Ward

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

Monocular 3D object detection is a challenging task in the self-driving and computer vision community. As a common practice, most previous works use manually annotated 3D box labels, where the annotating process is expensive. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Liang Peng , Fei Liu , Zhengxu Yu , Senbo Yan , Dan Deng , Zheng Yang , Haifeng Liu , Deng Cai

A unified neural network structure is presented for joint 3D object detection and point cloud segmentation in this paper. We leverage rich supervision from both detection and segmentation labels rather than using just one of them. In…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Yuanxin Zhong , Minghan Zhu , Huei Peng

Sampling discrepancies between different manufacturers and models of lidar sensors result in inconsistent representations of objects. This leads to performance degradation when 3D detectors trained for one lidar are tested on other types of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Darren Tsai , Julie Stephany Berrio , Mao Shan , Stewart Worrall , Eduardo Nebot

In this work, we consider the problem of pedestrian detection in natural scenes. Intuitively, instances of pedestrians with different spatial scales may exhibit dramatically different features. Thus, large variance in instance scales, which…

Computer Vision and Pattern Recognition · Computer Science 2016-06-28 Jianan Li , Xiaodan Liang , ShengMei Shen , Tingfa Xu , Jiashi Feng , Shuicheng Yan

This paper develops and evaluates a novel method that allows for the detection of affordances in a scalable and multiple-instance manner on visually recovered pointclouds. Our approach has many advantages over alternative methods, as it is…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Eduardo Ruiz , Walterio Mayol-Cuevas

Lane detection is one of the most important functions for autonomous driving. In recent years, deep learning-based lane detection networks with RGB camera images have shown promising performance. However, camera-based methods are inherently…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Dong-Hee Paek , Kevin Tirta Wijaya , Seung-Hyun Kong

3D object detection with LiDAR point clouds plays an important role in autonomous driving perception module that requires high speed, stability and accuracy. However, the existing point-based methods are challenging to reach the speed…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Jiahui Fu , Guanghui Ren , Yunpeng Chen , Si Liu

To safely deploy autonomous vehicles, onboard perception systems must work reliably at high accuracy across a diverse set of environments and geographies. One of the most common techniques to improve the efficacy of such systems in new…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Benjamin Caine , Rebecca Roelofs , Vijay Vasudevan , Jiquan Ngiam , Yuning Chai , Zhifeng Chen , Jonathon Shlens

Handling faults is a growing concern in HPC. In future exascale systems, it is projected that silent undetected errors will occur several times a day, increasing the occurrence of corrupted results. In this article, we propose SEDAR, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-07-29 Diego Montezanti , Enzo Rucci , Armando De Giusti , Marcelo Naiouf , Dolores Rexachs , Emilio Luque

LiDAR-based outdoor 3D object detection has received widespread attention. However, training 3D detectors from the LiDAR point cloud typically relies on expensive bounding box annotations. This paper presents SC3D, an innovative…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Qiming Xia , Hongwei Lin , Wei Ye , Hai Wu , Yadan Luo , Cheng Wang , Chenglu Wen

The field of autonomous driving technology is rapidly advancing, with deep learning being a key component. Particularly in the field of sensing, 3D point cloud data collected by LiDAR is utilized to run deep neural network models for 3D…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-05 Taisuke Noguchi , Takuya Azumi

We present Deformable PV-RCNN, a high-performing point-cloud based 3D object detector. Currently, the proposal refinement methods used by the state-of-the-art two-stage detectors cannot adequately accommodate differing object scales,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-21 Prarthana Bhattacharyya , Krzysztof Czarnecki

While 2D object detection has improved significantly over the past, real world applications of computer vision often require an understanding of the 3D layout of a scene. Many recent approaches to 3D detection use LiDAR point clouds for…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Jihao Andreas Lin , Jakob Brünker , Daniel Fährmann