English
Related papers

Related papers: TearingNet: Point Cloud Autoencoder to Learn Topol…

200 papers

In this paper, we propose Neural Points, a novel point cloud representation and apply it to the arbitrary-factored upsampling task. Different from traditional point cloud representation where each point only represents a position or a local…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Wanquan Feng , Jin Li , Hongrui Cai , Xiaonan Luo , Juyong Zhang

Edge points on 3D point clouds can clearly convey 3D geometry and surface characteristics, therefore, edge detection is widely used in many vision applications with high industrial and commercial demands. However, the fine-grained edge…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Yifei Xie , Zhikun Tu , Tong Yang , Yuhe Zhang , Xinyu Zhou

Point clouds are a widely available and canonical data modality which convey the 3D geometry of a scene. Despite significant progress in classification and segmentation from point clouds, policy learning from such a modality remains…

Robotics · Computer Science 2022-11-17 Daniel Seita , Yufei Wang , Sarthak J. Shetty , Edward Yao Li , Zackory Erickson , David Held

The reconstruction of real-world surfaces is on high demand in various applications. Most existing reconstruction approaches apply 3D scanners for creating point clouds which are generally sparse and of low density. These points clouds will…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Rajat Sharma , Tobias Schwandt , Christian Kunert , Steffen Urban , Wolfgang Broll

Most algorithms that rely on deep learning-based approaches to generate 3D point sets can only produce clouds containing fixed number of points. Furthermore, they typically require large networks parameterized by many weights, which makes…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Edoardo Remelli , Pierre Baque , Pascal Fua

Generative models that produce point clouds have emerged as a powerful tool to represent 3D surfaces, and the best current ones rely on learning an ensemble of parametric representations. Unfortunately, they offer no control over the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Jan Bednarik , Shaifali Parashar , Erhan Gundogdu , Mathieu Salzmann , Pascal Fua

The irregular domain and lack of ordering make it challenging to design deep neural networks for point cloud processing. This paper presents a novel framework named Point Cloud Transformer(PCT) for point cloud learning. PCT is based on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Meng-Hao Guo , Jun-Xiong Cai , Zheng-Ning Liu , Tai-Jiang Mu , Ralph R. Martin , Shi-Min Hu

Learning discriminative shape representation directly on point clouds is still challenging in 3D shape analysis and understanding. Recent studies usually involve three steps: first splitting a point cloud into some local regions, then…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Xin Wen , Zhizhong Han , Xinhai Liu , Yu-Shen Liu

Existing techniques to compress point cloud attributes leverage either geometric or video-based compression tools. We explore a radically different approach inspired by recent advances in point cloud representation learning. Point clouds…

Image and Video Processing · Electrical Eng. & Systems 2020-06-23 Maurice Quach , Giuseppe Valenzise , Frederic Dufaux

This paper investigates the problem of temporally interpolating dynamic 3D point clouds with large non-rigid deformation. We formulate the problem as estimation of point-wise trajectories (i.e., smooth curves) and further reason that…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Yiming Zeng , Yue Qian , Qijian Zhang , Junhui Hou , Yixuan Yuan , Ying He

Recently, the self-supervised learning framework data2vec has shown inspiring performance for various modalities using a masked student-teacher approach. However, it remains open whether such a framework generalizes to the unique challenges…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Karim Knaebel , Jonas Schult , Alexander Hermans , Bastian Leibe

Existing deep learning algorithms for point cloud analysis mainly concern discovering semantic patterns from global configuration of local geometries in a supervised learning manner. However, very few explore geometric properties revealing…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Lulu Tang , Ke Chen , Chaozheng Wu , Yu Hong , Kui Jia , Zhixin Yang

Self-supervised learning is attracting large attention in point cloud understanding. However, exploring discriminative and transferable features still remains challenging due to their nature of irregularity and sparsity. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yun Liu , Xuefeng Yan , Zhilei Chen , Zhiqi Li , Zeyong Wei , Mingqiang Wei

Point cloud compression (PCC) is a key enabler for various 3-D applications, owing to the universality of the point cloud format. Ideally, 3D point clouds endeavor to depict object/scene surfaces that are continuous. Practically, as a set…

Image and Video Processing · Electrical Eng. & Systems 2022-09-12 Jiahao Pang , Muhammad Asad Lodhi , Dong Tian

This paper addresses the task of estimating the 6 degrees of freedom pose of a known 3D object from depth information represented by a point cloud. Deep features learned by convolutional neural networks from color information have been the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-27 Ge Gao , Mikko Lauri , Yulong Wang , Xiaolin Hu , Jianwei Zhang , Simone Frintrop

In recent years, point cloud representation has become one of the research hotspots in the field of computer vision, and has been widely used in many fields, such as autonomous driving, virtual reality, robotics, etc. Although deep learning…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Huang Zhang , Changshuo Wang , Shengwei Tian , Baoli Lu , Liping Zhang , Xin Ning , Xiao Bai

Volumetric image segmentation with convolutional neural networks (CNNs) encounters several challenges, which are specific to medical images. Among these challenges are large volumes of interest, high class imbalances, and difficulties in…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Fabian Balsiger , Yannick Soom , Olivier Scheidegger , Mauricio Reyes

In this paper, we focus on latent modification and generation of 3D point cloud object models with respect to their semantic parts. Different to the existing methods which use separate networks for part generation and assembly, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Cihan Öngün , Alptekin Temizel

In computer-aided design (CAD) community, the point cloud data is pervasively applied in reverse engineering, where the point cloud analysis plays an important role. While a large number of supervised learning methods have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Cheng Zhang , Jian Shi , Xuan Deng , Zizhao Wu

3D reconstruction from images is a core problem in computer vision. With recent advances in deep learning, it has become possible to recover plausible 3D shapes even from single RGB images for the first time. However, obtaining detailed…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Tao Hu , Geng Lin , Zhizhong Han , Matthias Zwicker