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In the field of Connectomics, a primary problem is that of 3D neuron segmentation. Although deep learning-based methods have achieved remarkable accuracy, errors still exist, especially in regions with image defects. One common type of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Jules Berman , Dmitri B. Chklovskii , Jingpeng Wu

This paper investigates an open research task of reconstructing and generating 3D point clouds. Most existing works of 3D generative models directly take the Gaussian prior as input for the decoder to generate 3D point clouds, which fail to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Yunfan Zhang , Hao Wang , Guosheng Lin , Vun Chan Hua Nicholas , Zhiqi Shen , Chunyan Miao

Point cloud data now are popular data representations in a number of three-dimensional (3D) vision research realms. However, due to the limited performance of sensors and sensing noise, the raw data usually suffer from sparsity, noise, and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Siwen Quan , Junhao Yu , Ziming Nie , Muze Wang , Sijia Feng , Pei An , Jiaqi Yang

In High Energy Physics, detailed and time-consuming simulations are used for particle interactions with detectors. To bypass these simulations with a generative model, the generation of large point clouds in a short time is required, while…

High Energy Physics - Experiment · Physics 2023-11-22 Moritz Alfons Wilhelm Scham , Dirk Krücker , Benno Käch , Kerstin Borras

We address the challenge of point cloud registration using color information, where traditional methods relying solely on geometric features often struggle in low-overlap and incomplete scenarios. To overcome these limitations, we propose…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jiayi Tian , Haiduo Huang , Tian Xia , Wenzhe Zhao , Pengju Ren

Point cloud registration is a key task in many computational fields. Previous correspondence matching based methods require the inputs to have distinctive geometric structures to fit a 3D rigid transformation according to point-wise sparse…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Xu , Shuaicheng Liu , Guangfu Wang , Guanghui Liu , Bing Zeng

Gen-Swarms is an innovative method that leverages and combines the capabilities of deep generative models with reactive navigation algorithms to automate the creation of drone shows. Advancements in deep generative models, particularly…

Scene-level point cloud registration is very challenging when considering dynamic foregrounds. Existing indoor datasets mostly assume rigid motions, so the trained models cannot robustly handle scenes with non-rigid motions. On the other…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Keyu Du , Hao Xu , Haipeng Li , Hong Qu , Chi-Wing Fu , Shuaicheng Liu

In this paper, we propose an effective point cloud generation method, which can generate multi-resolution point clouds of the same shape from a latent vector. Specifically, we develop a novel progressive deconvolution network with the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Le Hui , Rui Xu , Jin Xie , Jianjun Qian , Jian Yang

Deep learning-based point cloud registration models are often generalized from extensive training over a large volume of data to learn the ability to predict the desired geometric transformation to register 3D point clouds. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Lingjing Wang , Yu Hao , Xiang Li , Yi Fang

Establishing reliable correspondences is essential for registration tasks such as 3D and 2D3D registration. Existing methods commonly leverage geometric or semantic point features to generate potential correspondences. However, these…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Qianliang Wu , Haobo Jiang , Lei Luo , Jun Li , Yaqing Ding , Jin Xie , Jian Yang

As a fundamental problem in computer vision, point cloud registration aims to seek the optimal transformation for aligning a pair of point clouds. In most existing methods, the information flows are usually forward transferring, thus…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Yifan Xie , Boyu Wang , Shiqi Li , Jihua Zhu

We can use a method called registration to integrate some point clouds that represent the shape of the real world. In this paper, we propose highly accurate and stable registration method. Our method detects keypoints from point clouds and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Masaki Yoshii , Ikuko Shimizu

Efficient analysis of point clouds holds paramount significance in real-world 3D applications. Currently, prevailing point-based models adhere to the PointNet++ methodology, which involves embedding and abstracting point features within a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Jianan Li , Jie Wang , Tingfa Xu

Generating 3D point clouds is challenging yet highly desired. This work presents a novel autoregressive model, PointGrow, which can generate diverse and realistic point cloud samples from scratch or conditioned on semantic contexts. This…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Yongbin Sun , Yue Wang , Ziwei Liu , Joshua E. Siegel , Sanjay E. Sarma

3D point cloud generation by the deep neural network from a single image has been attracting more and more researchers' attention. However, recently-proposed methods require the objects be captured with relatively clean backgrounds, fixed…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Yan Xia , Yang Zhang , Dingfu Zhou , Xinyu Huang , Cheng Wang , Ruigang Yang

Registration of 3D point clouds is a fundamental task in several applications of robotics and computer vision. While registration methods such as iterative closest point and variants are very popular, they are only locally optimal. There…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Rangaprasad Arun Srivatsan , Tejas Zodage , Howie Choset

We propose DeepMapping, a novel registration framework using deep neural networks (DNNs) as auxiliary functions to align multiple point clouds from scratch to a globally consistent frame. We use DNNs to model the highly non-convex mapping…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Li Ding , Chen Feng

Point cloud registration is the basis for many robotic applications such as odometry and Simultaneous Localization And Mapping (SLAM), which are increasingly important for autonomous mobile robots. Computational resources and power budgets…

Robotics · Computer Science 2022-03-14 Keisuke Sugiura , Hiroki Matsutani

This paper presents Segregator, a global point cloud registration framework that exploits both semantic information and geometric distribution to efficiently build up outlier-robust correspondences and search for inliers. Current…

Robotics · Computer Science 2023-03-02 Pengyu Yin , Shenghai Yuan , Haozhi Cao , Xingyu Ji , Shuyang Zhang , Lihua Xie
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