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Recent work on 3D object detection advocates point cloud voxelization in birds-eye view, where objects preserve their physical dimensions and are naturally separable. When represented in this view, however, point clouds are sparse and have…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Yin Zhou , Pei Sun , Yu Zhang , Dragomir Anguelov , Jiyang Gao , Tom Ouyang , James Guo , Jiquan Ngiam , Vijay Vasudevan

Recently, directly detecting 3D objects from 3D point clouds has received increasing attention. To extract object representation from an irregular point cloud, existing methods usually take a point grouping step to assign the points to an…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Ze Liu , Zheng Zhang , Yue Cao , Han Hu , Xin Tong

In this technical report, we introduce our winning solution "HorizonLiDAR3D" for the 3D detection track and the domain adaptation track in Waymo Open Dataset Challenge at CVPR 2020. Many existing 3D object detectors include prior-based…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Zhuangzhuang Ding , Yihan Hu , Runzhou Ge , Li Huang , Sijia Chen , Yu Wang , Jie Liao

LiDAR-based 3D object detection is a fundamental task in the field of autonomous driving. This paper explores the unique advantage of Frequency Modulated Continuous Wave (FMCW) LiDAR in autonomous perception. Given a single frame FMCW point…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Yining Shi , Kun Jiang , Xin Zhao , Kangan Qian , Chuchu Xie , Tuopu Wen , Mengmeng Yang , Diange Yang

We present ObjectBox, a novel single-stage anchor-free and highly generalizable object detection approach. As opposed to both existing anchor-based and anchor-free detectors, which are more biased toward specific object scales in their…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Mohsen Zand , Ali Etemad , Michael Greenspan

The field of 3D object detection from point clouds is rapidly advancing in computer vision, aiming to accurately and efficiently detect and localize objects in three-dimensional space. Current 3D detectors commonly fall short in terms of…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Hualian Sheng , Sijia Cai , Na Zhao , Bing Deng , Qiao Liang , Min-Jian Zhao , Jieping Ye

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

3D object detection plays a crucial role in autonomous systems, yet existing methods are limited by closed-set assumptions and struggle to recognize novel objects and their attributes in real-world scenarios. We propose OVODA, a novel…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Xinhao Xiang , Kuan-Chuan Peng , Suhas Lohit , Michael J. Jones , Jiawei Zhang

We present a method for discovering never-seen-before objects in 3D point clouds obtained from sensors like Microsoft Kinect. We generate supervoxels directly from the point cloud data and use them with a Siamese network, built on a…

计算机视觉与模式识别 · 计算机科学 2018-02-21 Siddharth Srivastava , Gaurav Sharma , Brejesh Lall

The goal of open-vocabulary detection is to identify novel objects based on arbitrary textual descriptions. In this paper, we address open-vocabulary 3D point-cloud detection by a dividing-and-conquering strategy, which involves: 1)…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Yuheng Lu , Chenfeng Xu , Xiaobao Wei , Xiaodong Xie , Masayoshi Tomizuka , Kurt Keutzer , Shanghang Zhang

We present a unified, efficient and effective framework for point-cloud based 3D object detection. Our two-stage approach utilizes both voxel representation and raw point cloud data to exploit respective advantages. The first stage network,…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

Open-vocabulary (OV) 3D object detection is an emerging field, yet its exploration through image-based methods remains limited compared to 3D point cloud-based methods. We introduce OpenM3D, a novel open-vocabulary multi-view indoor 3D…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Peng-Hao Hsu , Ke Zhang , Fu-En Wang , Tao Tu , Ming-Feng Li , Yu-Lun Liu , Albert Y. C. Chen , Min Sun , Cheng-Hao Kuo

A crucial task in scene understanding is 3D object detection, which aims to detect and localize the 3D bounding boxes of objects belonging to specific classes. Existing 3D object detectors heavily rely on annotated 3D bounding boxes during…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Zengyi Qin , Jinglu Wang , Yan Lu

In this work, we address the problem of 3D object detection from point cloud data in real time. For autonomous vehicles to work, it is very important for the perception component to detect the real world objects with both high accuracy and…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Abhinav Sagar

LiDAR-based fully sparse architecture has garnered increasing attention. FSDv1 stands out as a representative work, achieving impressive efficacy and efficiency, albeit with intricate structures and handcrafted designs. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Lue Fan , Feng Wang , Naiyan Wang , Zhaoxiang Zhang

We present FoveaBox, an accurate, flexible, and completely anchor-free framework for object detection. While almost all state-of-the-art object detectors utilize predefined anchors to enumerate possible locations, scales and aspect ratios…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Tao Kong , Fuchun Sun , Huaping Liu , Yuning Jiang , Lei Li , Jianbo Shi

3D object detection based on LiDAR point cloud and prior anchor boxes is a critical technology for autonomous driving environment perception and understanding. Nevertheless, an overlooked practical issue in existing methods is the ambiguity…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Shitao Chen , Haolin Zhang , Nanning Zheng

In this work, we propose a novel method termed \emph{Frustum ConvNet (F-ConvNet)} for amodal 3D object detection from point clouds. Given 2D region proposals in an RGB image, our method first generates a sequence of frustums for each region…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Zhixin Wang , Kui Jia

Most scanning LiDAR sensors generate a sequence of point clouds in real-time. While conventional 3D object detectors use a set of unordered LiDAR points acquired over a fixed time interval, recent studies have revealed that substantial…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Junho Koh , Junhyung Lee , Youngwoo Lee , Jaekyum Kim , Jun Won Choi

In this paper, we propose an advanced methodology for the detection of 3D objects and precise estimation of their spatial positions from a single image. Unlike conventional frameworks that rely solely on center-point and dimension…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Dhyey Manish Rajani , Surya Pratap Singh , Rahul Kashyap Swayampakula