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Related papers: Pillar R-CNN for Point Cloud 3D Object Detection

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3D object detection has seen quick progress thanks to advances in deep learning on point clouds. A few recent works have even shown state-of-the-art performance with just point clouds input (e.g. VoteNet). However, point cloud data have…

Computer Vision and Pattern Recognition · Computer Science 2020-01-30 Charles R. Qi , Xinlei Chen , Or Litany , Leonidas J. Guibas

This paper presents Multi-view Labelling Object Detector (MLOD). The detector takes an RGB image and a LIDAR point cloud as input and follows the two-stage object detection framework. A Region Proposal Network (RPN) generates 3D proposals…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Jian Deng , Krzysztof Czarnecki

The benefit of transformers in large-scale 3D point cloud perception tasks, such as 3D object detection, is limited by their quadratic computation cost when modeling long-range relationships. In contrast, linear RNNs have low computational…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Zhe Liu , Jinghua Hou , Xinyu Wang , Xiaoqing Ye , Jingdong Wang , Hengshuang Zhao , Xiang Bai

Point cloud segmentation and classification are some of the primary tasks in 3D computer vision with applications ranging from augmented reality to robotics. However, processing point clouds using deep learning-based algorithms is quite…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Aadesh Desai , Saagar Parikh , Seema Kumari , Shanmuganathan Raman

Multi-view camera-only 3D object detection largely follows two primary paradigms: exploiting bird's-eye-view (BEV) representations or focusing on perspective-view (PV) features, each with distinct advantages. Although several recent…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Zhe Huang , Yizhe Zhao , Hao Xiao , Chenyan Wu , Lingting Ge

LiDAR has become one of the primary 3D object detection sensors in autonomous driving. However, LiDAR's diverging point pattern with increasing distance results in a non-uniform sampled point cloud ill-suited to discretized volumetric…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Jordan S. K. Hu , Tianshu Kuai , Steven L. Waslander

Point clouds are widely used representations of 3D data, but determining the visibility of points from a given viewpoint remains a challenging problem due to their sparse nature and lack of explicit connectivity. Traditional methods, such…

Graphics · Computer Science 2025-09-30 Jun-Hao Wang , Yi-Yang Tian , Baoquan Chen , Peng-Shuai Wang

Effective BEV object detection on infrastructure can greatly improve traffic scenes understanding and vehicle-toinfrastructure (V2I) cooperative perception. However, cameras installed on infrastructure have various postures, and previous…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Siqi Fan , Zhe Wang , Xiaoliang Huo , Yan Wang , Jingjing Liu

Current state-of-the-art two-stage detectors generate oriented proposals through time-consuming schemes. This diminishes the detectors' speed, thereby becoming the computational bottleneck in advanced oriented object detection systems. This…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Xingxing Xie , Gong Cheng , Jiabao Wang , Xiwen Yao , Junwei Han

3D object detection from LiDAR point cloud is a challenging problem in 3D scene understanding and has many practical applications. In this paper, we extend our preliminary work PointRCNN to a novel and strong point-cloud-based 3D object…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Shaoshuai Shi , Zhe Wang , Jianping Shi , Xiaogang Wang , Hongsheng Li

On-board 3D object detection in autonomous vehicles often relies on geometry information captured by LiDAR devices. Albeit image features are typically preferred for detection, numerous approaches take only spatial data as input. Exploiting…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Alejandro Barrera , Carlos Guindel , Jorge Beltrán , Fernando García

We introduce Patch Refinement a two-stage model for accurate 3D object detection and localization from point cloud data. Patch Refinement is composed of two independently trained Voxelnet-based networks, a Region Proposal Network (RPN) and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Johannes Lehner , Andreas Mitterecker , Thomas Adler , Markus Hofmarcher , Bernhard Nessler , Sepp Hochreiter

We present a simple yet effective fully convolutional one-stage 3D object detector for LiDAR point clouds of autonomous driving scenes, termed FCOS-LiDAR. Unlike the dominant methods that use the bird-eye view (BEV), our proposed detector…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Zhi Tian , Xiangxiang Chu , Xiaoming Wang , Xiaolin Wei , Chunhua Shen

Detection and tracking of moving objects is an essential component in environmental perception for autonomous driving. In the flourishing field of multi-view 3D camera-based detectors, different transformer-based pipelines are designed to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Yining Shi , Jingyan Shen , Yifan Sun , Yunlong Wang , Jiaxin Li , Shiqi Sun , Kun Jiang , Diange Yang

Point cloud 3D object detection has recently received major attention and becomes an active research topic in 3D computer vision community. However, recognizing 3D objects in LiDAR (Light Detection and Ranging) is still a challenge due to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Yilin Wang , Jiayi Ye

Deep learning technique has yielded significant improvements in point cloud completion with the aim of completing missing object shapes from partial inputs. However, most existing methods fail to recover realistic structures due to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

We propose a novel and efficient representation for single-view depth estimation using Convolutional Neural Networks (CNNs). Point-cloud is generally used for CNN-based 3D scene reconstruction; however it has some drawbacks: (1) it is…

Computer Vision and Pattern Recognition · Computer Science 2020-03-12 Masaya Kaneko , Ken Sakurada , Kiyoharu Aizawa

Currently, existing state-of-the-art 3D object detectors are in two-stage paradigm. These methods typically comprise two steps: 1) Utilize a region proposal network to propose a handful of high-quality proposals in a bottom-up fashion. 2)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Rui Qian , Xin Lai , Xirong Li

3D point cloud interpretation is a challenging task due to the randomness and sparsity of the component points. Many of the recently proposed methods like PointNet and PointCNN have been focusing on learning shape descriptions from point…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Zhaoyu Su , Pin Siang Tan , Junkang Chow , Jimmy Wu , Yehur Cheong , Yu-Hsing Wang

Point cloud classification plays an important role in a wide range of airborne light detection and ranging (LiDAR) applications, such as topographic mapping, forest monitoring, power line detection, and road detection. However, due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Congcong Wen , Lina Yang , Ling Peng , Xiang Li , Tianhe Chi
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