中文
相关论文

相关论文: A 3D Motion Vector Database for Dynamic Point Clou…

200 篇论文

The conventional pose estimation of a 3D object usually requires the knowledge of the 3D model of the object. Even with the recent development in convolutional neural networks (CNNs), a 3D model is often necessary in the final estimation.…

机器人学 · 计算机科学 2019-01-01 Zhongang Cai , Cunjun Yu , Quang-Cuong Pham

We introduce the first data-driven multi-view 3D point tracker, designed to track arbitrary points in dynamic scenes using multiple camera views. Unlike existing monocular trackers, which struggle with depth ambiguities and occlusion, or…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Frano Rajič , Haofei Xu , Marko Mihajlovic , Siyuan Li , Irem Demir , Emircan Gündoğdu , Lei Ke , Sergey Prokudin , Marc Pollefeys , Siyu Tang

As a popular representation of 3D data, point cloud may contain noise and need to be filtered before use. Existing point cloud filtering methods either cannot preserve sharp features or result in uneven point distribution in the filtered…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Shuaijun Chen , Jinxi Wang , Wei Pan , Shang Gao , Meili Wang , Xuequan Lu

Part segmentation and motion estimation are two fundamental problems for articulated object motion analysis. In this paper, we present a method to solve these two problems jointly from a sequence of observed point clouds of a single…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Jun-Jee Chao , Qingyuan Jiang , Volkan Isler

We describe a content based video retrieval (CBVR) software system for identifying specific locations of a human action within a full length film, and retrieving similar video shots from a query. For this, we introduce the concept of a…

信息检索 · 计算机科学 2014-03-27 Iván Gómez-Conde , David N. Olivieri

Autonomous vehicles operate in highly dynamic environments necessitating an accurate assessment of which aspects of a scene are moving and where they are moving to. A popular approach to 3D motion estimation, termed scene flow, is to employ…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Philipp Jund , Chris Sweeney , Nichola Abdo , Zhifeng Chen , Jonathon Shlens

3D dynamic point cloud (DPC) compression relies on mining its temporal context, which faces significant challenges due to DPC's sparsity and non-uniform structure. Existing methods are limited in capturing sufficient temporal dependencies.…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Shuting Xia , Tingyu Fan , Yiling Xu , Jenq-Neng Hwang , Zhu Li

With the development of the 3D data acquisition facilities, the increasing scale of acquired 3D point clouds poses a challenge to the existing data compression techniques. Although promising performance has been achieved in static point…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Guangchi Fang , Qingyong Hu , Yiling Xu , Yulan Guo

3D point cloud completion, the task of inferring the complete geometric shape from a partial point cloud, has been attracting attention in the community. For acquiring high-fidelity dense point clouds and avoiding uneven distribution,…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Minghua Liu , Lu Sheng , Sheng Yang , Jing Shao , Shi-Min Hu

3D object detection from raw and sparse point clouds has been far less treated to date, compared with its 2D counterpart. In this paper, we propose a novel framework called FVNet for 3D front-view proposal generation and object detection…

计算机视觉与模式识别 · 计算机科学 2019-11-27 Jie Zhou , Xin Tan , Zhiwei Shao , Lizhuang Ma

Recent works on 3D single object tracking treat the task as a target-specific 3D detection task, where an off-the-shelf 3D detector is commonly employed for the tracking. However, it is non-trivial to perform accurate target-specific…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Yan Xia , Qiangqiang Wu , Wei Li , Antoni B. Chan , Uwe Stilla

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…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Mingtao Feng , Syed Zulqarnain Gilani , Yaonan Wang , Liang Zhang , Ajmal Mian

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

Recently, there has been a significant interest in performing convolution over irregularly sampled point clouds. Since point clouds are very different from regular raster images, it is imperative to study the generalization of the…

计算机视觉与模式识别 · 计算机科学 2021-02-01 Xingyi Li , Wenxuan Wu , Xiaoli Z. Fern , Li Fuxin

Currently it requires an artist to create 3D human avatars with realistic clothing that can move naturally. Despite progress on 3D scanning and modeling of human bodies, there is still no technology that can easily turn a static scan into…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Qianli Ma , Jinlong Yang , Siyu Tang , Michael J. Black

Over the last decade, the demand for better segmentation and classification algorithms in 3D spaces has significantly grown due to the popularity of new 3D sensor technologies and advancements in the field of robotics. Point-clouds are one…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Felipe Gomez Marulanda , Pieter Libin , Timothy Verstraeten , Ann Nowé

We present a new versatile building block for deep point cloud processing architectures that is equally suited for diverse tasks. This building block combines the ideas of spatial transformers and multi-view convolutional networks with the…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Kirill Mazur , Victor Lempitsky

Unlike images which are represented in regular dense grids, 3D point clouds are irregular and unordered, hence applying convolution on them can be difficult. In this paper, we extend the dynamic filter to a new convolution operation, named…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Wenxuan Wu , Zhongang Qi , Li Fuxin

Varying density of point clouds increases the difficulty of 3D detection. In this paper, we present a context-aware dynamic network (CADNet) to capture the variance of density by considering both point context and semantic context.…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Yonglin Tian , Lichao Huang , Xuesong Li , Kunfeng Wang , Zilei Wang , Fei-Yue Wang

The introduction of cheap RGB-D cameras, stereo cameras, and LIDAR devices has given the computer vision community 3D information that conventional RGB cameras cannot provide. This data is often stored as a point cloud. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2018-10-22 Aleksandr Savchenkov , Andrew Davis , Xuan Zhao