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3D Point cloud registration is still a very challenging topic due to the difficulty in finding the rigid transformation between two point clouds with partial correspondences, and it's even harder in the absence of any initial estimation…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Zhijian Qiao , Huanshu Wei , Zhe Liu , Chuanzhe Suo , Hesheng Wang

Point cloud completion aims to reconstruct complete shapes from partial observations. Although current methods have achieved remarkable performance, they still have some limitations: Supervised methods heavily rely on ground truth, which…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Jingjing Lu , Huilong Pi , Yunchuan Qin , Zhuo Tang , Ruihui Li

Learning-based point cloud registration methods can handle clean point clouds well, while it is still challenging to generalize to noisy, partial, and density-varying point clouds. To this end, we propose a novel point cloud registration…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Leida Zhang , Zhengda Lu , Kai Liu , Yiqun Wang

Registration is a transformation estimation problem between two point clouds, which has a unique and critical role in numerous computer vision applications. The developments of optimization-based methods and deep learning methods have…

计算机视觉与模式识别 · 计算机科学 2021-03-08 Xiaoshui Huang , Guofeng Mei , Jian Zhang , Rana Abbas

We propose a self-supervised method for partial point set registration. While recent proposed learning-based methods have achieved impressive registration performance on the full shape observations, these methods mostly suffer from…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Xiang Li , Lingjing Wang , Yi Fang

3D point cloud registration is a fundamental problem in computer vision and robotics. There has been extensive research in this area, but existing methods meet great challenges in situations with a large proportion of outliers and time…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Kexue Fu , Shaolei Liu , Xiaoyuan Luo , Manning Wang

Video salient object detection models trained on pixel-wise dense annotation have achieved excellent performance, yet obtaining pixel-by-pixel annotated datasets is laborious. Several works attempt to use scribble annotations to mitigate…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Shuyong Gao , Haozhe Xing , Wei Zhang , Yan Wang , Qianyu Guo , Wenqiang Zhang

This paper introduces a new method for 3D point cloud registration based on deep learning. The architecture is composed of three distinct blocs: (i) an encoder composed of a convolutional graph-based descriptor that encodes the immediate…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Karim Slimani , Brahim Tamadazte , Catherine Achard

Point cloud registration aligns multiple unposed point clouds into a common reference frame and is a core step for 3D reconstruction and robot localization without initial guess. In this work, we cast registration as conditional generation:…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yue Pan , Tao Sun , Liyuan Zhu , Lucas Nunes , Iro Armeni , Jens Behley , Cyrill Stachniss

The increased availability of massive point clouds coupled with their utility in a wide variety of applications such as robotics, shape synthesis, and self-driving cars has attracted increased attention from both industry and academia.…

机器学习 · 计算机科学 2020-09-30 Charu Sharma , Manohar Kaul

Point clouds provide a compact and efficient representation of 3D shapes. While deep neural networks have achieved impressive results on point cloud learning tasks, they require massive amounts of manually labeled data, which can be costly…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Omid Poursaeed , Tianxing Jiang , Han Qiao , Nayun Xu , Vladimir G. Kim

In this paper, we propose an algorithm for registering sequential bounding boxes with point cloud streams. Unlike popular point cloud registration techniques, the alignment of the point cloud and the bounding box can rely on the properties…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Xuesong Li , Xinge Zhu , Yuexin Ma , Subhan Khan , Jose Guivant

3D point cloud semantic segmentation is a challenging topic in the computer vision field. Most of the existing methods in literature require a large amount of fully labeled training data, but it is extremely time-consuming to obtain these…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Shuang Deng , Qiulei Dong , Bo Liu , Zhanyi Hu

Point cloud analysis has received much attention recently; and segmentation is one of the most important tasks. The success of existing approaches is attributed to deep network design and large amount of labelled training data, where the…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Xun Xu , Gim Hee Lee

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…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Li Ding , Chen Feng

An unsupervised point cloud object retrieval and pose estimation method, called PCRP, is proposed in this work. It is assumed that there exists a gallery point cloud set that contains point cloud objects with given pose orientation…

计算机视觉与模式识别 · 计算机科学 2022-02-17 Pranav Kadam , Qingyang Zhou , Shan Liu , C. -C. Jay Kuo

Point cloud registration is a fundamental problem in 3D computer vision. In this paper, we cast point cloud registration into a planning problem in reinforcement learning, which can seek the transformation between the source and target…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Haobo Jiang , Jin Xie , Jianjun Qian , Jian Yang

Point cloud instance segmentation has achieved huge progress with the emergence of deep learning. However, these methods are usually data-hungry with expensive and time-consuming dense point cloud annotations. To alleviate the annotation…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Yongbin Liao , Hongyuan Zhu , Yanggang Zhang , Chuangguan Ye , Tao Chen , Jiayuan Fan

Unsupervised point cloud completion aims at estimating the corresponding complete point cloud of a partial point cloud in an unpaired manner. It is a crucial but challenging problem since there is no paired partial-complete supervision that…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Yingjie Cai , Kwan-Yee Lin , Chao Zhang , Qiang Wang , Xiaogang Wang , Hongsheng Li

Point cloud registration has been one of the basic steps of point cloud processing, which has a lot of applications in remote sensing and robotics. In this report, we summarized the basic workflow of target-less point cloud…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Yue Pan