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相关论文: HVNet: Hybrid Voxel Network for LiDAR Based 3D Obj…

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Scene flow estimation aims to generate the 3D motion field of points between two consecutive frames of point clouds, which has wide applications in various fields. Existing point-based methods ignore the irregularity of point clouds and…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Xuezhi Xiang , Xi Wang , Lei Zhang , Denis Ombati , Himaloy Himu , Xiantong Zhen

In this paper, we focus on estimating the 6D pose of objects in point clouds. Although the topic has been widely studied, pose estimation in point clouds remains a challenging problem due to the noise and occlusion. To address the problem,…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Yuanpeng Liu , Jun Zhou , Yuqi Zhang , Chao Ding , Jun Wang

Image-only and pseudo-LiDAR representations are commonly used for monocular 3D object detection. However, methods based on them have shortcomings of either not well capturing the spatial relationships in neighbored image pixels or being…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Liang Peng , Fei Liu , Senbo Yan , Xiaofei He , Deng Cai

Up-to-date High-Definition (HD) maps are essential for self-driving cars. To achieve constantly updated HD maps, we present a deep neural network (DNN), Diff-Net, to detect changes in them. Compared to traditional methods based on object…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Lei He , Shengjie Jiang , Xiaoqing Liang , Ning Wang , Shiyu Song

Effective point cloud processing is crucial to LiDARbased autonomous driving systems. The capability to understand features at multiple scales is required for object detection of intelligent vehicles, where road users may appear in…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Weihao Lu , Dezong Zhao , Cristiano Premebida , Li Zhang , Wenjing Zhao , Daxin Tian

Automotive traffic scenes are complex due to the variety of possible scenarios, objects, and weather conditions that need to be handled. In contrast to more constrained environments, such as automated underground trains, automotive…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Felix Nobis , Ehsan Shafiei , Phillip Karle , Johannes Betz , Markus Lienkamp

Accurate and reliable 3D detection is vital for many applications including autonomous driving vehicles and service robots. In this paper, we present a flexible and high-performance 3D detection framework, named MPPNet, for 3D temporal…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Xuesong Chen , Shaoshuai Shi , Benjin Zhu , Ka Chun Cheung , Hang Xu , Hongsheng Li

3D hand shape and pose estimation from a single depth map is a new and challenging computer vision problem with many applications. The state-of-the-art methods directly regress 3D hand meshes from 2D depth images via 2D convolutional neural…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Jameel Malik , Ibrahim Abdelaziz , Ahmed Elhayek , Soshi Shimada , Sk Aziz Ali , Vladislav Golyanik , Christian Theobalt , Didier Stricker

Recently, virtual/pseudo-point-based 3D object detection that seamlessly fuses RGB images and LiDAR data by depth completion has gained great attention. However, virtual points generated from an image are very dense, introducing a huge…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Hai Wu , Chenglu Wen , Shaoshuai Shi , Xin Li , Cheng Wang

In this paper, we propose a novel and effective Multi-Level Fusion network, named as MLF-DET, for high-performance cross-modal 3D object DETection, which integrates both the feature-level fusion and decision-level fusion to fully utilize…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Zewei Lin , Yanqing Shen , Sanping Zhou , Shitao Chen , Nanning Zheng

3D object detection is an essential task in autonomous driving and robotics. Though great progress has been made, challenges remain in estimating 3D pose for distant and occluded objects. In this paper, we present a novel framework named…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Zhenbo Xu , Wei Zhang , Xiaoqing Ye , Xiao Tan , Wei Yang , Shilei Wen , Errui Ding , Ajin Meng , Liusheng Huang

Video object segmentation aims at accurately segmenting the target object regions across consecutive frames. It is technically challenging for coping with complicated factors (e.g., shape deformations, occlusion and out of the lens). Recent…

计算机视觉与模式识别 · 计算机科学 2019-07-03 Peng Sun , Peiwen Lin , Guangliang Cheng , Jianping Shi , Jiawan Zhang , Xi Li

Self-driving cars need to understand 3D scenes efficiently and accurately in order to drive safely. Given the limited hardware resources, existing 3D perception models are not able to recognize small instances (e.g., pedestrians, cyclists)…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Haotian Tang , Zhijian Liu , Shengyu Zhao , Yujun Lin , Ji Lin , Hanrui Wang , Song Han

We introduce H3DNet, which takes a colorless 3D point cloud as input and outputs a collection of oriented object bounding boxes (or BB) and their semantic labels. The critical idea of H3DNet is to predict a hybrid set of geometric…

计算机视觉与模式识别 · 计算机科学 2020-07-27 Zaiwei Zhang , Bo Sun , Haitao Yang , Qixing Huang

Recently, there have been a plethora of classification and detection systems from RGB as well as 3D images. In this work, we describe a new 3D object detection system from an RGB-D or depth-only point cloud. Our system first detects objects…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Xiaoke Shen , Ioannis Stamos

Small object detection is challenging because small objects do not contain detailed information and may even disappear in the deep network. Usually, feeding high-resolution images into a network can alleviate this issue. However, simply…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Ziming Liu , Guangyu Gao , Lin Sun , Zhiyuan Fang

As DenseNet conserves intermediate features with diverse receptive fields by aggregating them with dense connection, it shows good performance on the object detection task. Although feature reuse enables DenseNet to produce strong features…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Youngwan Lee , Joong-won Hwang , Sangrok Lee , Yuseok Bae , Jongyoul Park

Recent advances in 3D object detection are made by developing the refinement stage for voxel-based Region Proposal Networks (RPN) to better strike the balance between accuracy and efficiency. A popular approach among state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Minh-Quan Dao , Elwan Héry , Vincent Frémont

Cooperative perception enhances the individual perception capabilities of autonomous vehicles (AVs) by providing a comprehensive view of the environment. However, balancing perception performance and transmission costs remains a significant…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Zhe Wang , Shaocong Xu , Xucai Zhuang , Tongda Xu , Yan Wang , Jingjing Liu , Yilun Chen , Ya-Qin Zhang

This paper proposes a computationally efficient approach to detecting objects natively in 3D point clouds using convolutional neural networks (CNNs). In particular, this is achieved by leveraging a feature-centric voting scheme to implement…

机器人学 · 计算机科学 2017-03-07 Martin Engelcke , Dushyant Rao , Dominic Zeng Wang , Chi Hay Tong , Ingmar Posner