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In this work, we study 3D object detection from RGB-D data in both indoor and outdoor scenes. While previous methods focus on images or 3D voxels, often obscuring natural 3D patterns and invariances of 3D data, we directly operate on raw…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Charles R. Qi , Wei Liu , Chenxia Wu , Hao Su , Leonidas J. Guibas

Recent progress on 2D object detection has featured Cascade RCNN, which capitalizes on a sequence of cascade detectors to progressively improve proposal quality, towards high-quality object detection. However, there has not been evidence in…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Qi Cai , Yingwei Pan , Ting Yao , Tao Mei

This paper aims at high-accuracy 3D object detection in autonomous driving scenario. We propose Multi-View 3D networks (MV3D), a sensory-fusion framework that takes both LIDAR point cloud and RGB images as input and predicts oriented 3D…

Computer Vision and Pattern Recognition · Computer Science 2017-06-23 Xiaozhi Chen , Huimin Ma , Ji Wan , Bo Li , Tian Xia

Light Detection And Ranging (LiDAR) has been widely used in autonomous vehicles for perception and localization. However, the cost of a high-resolution LiDAR is still prohibitively expensive, while its low-resolution counterpart is much…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Lin Bai , Yiming Zhao , Xinming Huang

Advances in LiDAR sensors provide rich 3D data that supports 3D scene understanding. However, due to occlusion and signal miss, LiDAR point clouds are in practice 2.5D as they cover only partial underlying shapes, which poses a fundamental…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Qiangeng Xu , Yiqi Zhong , Ulrich Neumann

Accurate detection of objects in 3D point clouds is a central problem in many applications, such as autonomous navigation, housekeeping robots, and augmented/virtual reality. To interface a highly sparse LiDAR point cloud with a region…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Yin Zhou , Oncel Tuzel

In this paper, we focus on exploring the robustness of the 3D object detection in point clouds, which has been rarely discussed in existing approaches. We observe two crucial phenomena: 1) the detection accuracy of the hard objects, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Zhe Liu , Xin Zhao , Tengteng Huang , Ruolan Hu , Yu Zhou , Xiang Bai

To achieve reliable and precise scene understanding, autonomous vehicles typically incorporate multiple sensing modalities to capitalize on their complementary attributes. However, existing cross-modal 3D detectors do not fully utilize the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Yifan Zhang , Qijian Zhang , Junhui Hou , Yixuan Yuan , Guoliang Xing

We present PointFusion, a generic 3D object detection method that leverages both image and 3D point cloud information. Unlike existing methods that either use multi-stage pipelines or hold sensor and dataset-specific assumptions,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Danfei Xu , Dragomir Anguelov , Ashesh Jain

Extracting high-level structural information from 3D point clouds is challenging but essential for tasks like urban planning or autonomous driving requiring an advanced understanding of the scene at hand. Existing approaches are still not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Lukas Bode , Michael Weinmann , Reinhard Klein

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

3D object detection based on point clouds has become more and more popular. Some methods propose localizing 3D objects directly from raw point clouds to avoid information loss. However, these methods come with complex structures and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Guodong Xu , Wenxiao Wang , Zili Liu , Liang Xie , Zheng Yang , Haifeng Liu , Deng Cai

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,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

Convolutional Neural Networks (CNNs) have emerged as a powerful strategy for most object detection tasks on 2D images. However, their power has not been fully realised for detecting 3D objects in point clouds directly without converting…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Mingtao Feng , Syed Zulqarnain Gilani , Yaonan Wang , Liang Zhang , Ajmal Mian

This paper presents a novel architecture for point cloud road user detection, which is based on a classical point cloud proposal generator approach, that utilizes simple geometrical rules. New methods are coupled with this technique to…

Robotics · Computer Science 2024-01-04 Alvari Seppänen , Eerik Alamikkotervo , Risto Ojala , Giacomo Dario , Kari Tammi

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

We present an improved approach for 3D object detection in point cloud data based on the Frustum PointNet (F-PointNet). Compared to the original F-PointNet, our newly proposed method considers the point neighborhood when computing point…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Chengzhi Wu , Julius Pfrommer , Jürgen Beyerer , Kangning Li , Boris Neubert

We present an improved version of PointRCNN for 3D object detection, in which a multi-branch backbone network is adopted to handle the non-uniform density of point clouds. An uncertainty-based sampling policy is proposed to deal with the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Jie Li , Yu Hu

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…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Hualian Sheng , Sijia Cai , Na Zhao , Bing Deng , Qiao Liang , Min-Jian Zhao , Jieping Ye

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