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Category-level object pose estimation involves estimating the 6D pose and the 3D metric size of objects from predetermined categories. While recent approaches take categorical shape prior information as reference to improve pose estimation…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Lei Zhou , Zhiyang Liu , Runze Gan , Haozhe Wang , Marcelo H. Ang

In this paper, we present an accurate yet effective solution for 6D pose estimation from an RGB image. The core of our approach is that we first designate a set of surface points on target object model as keypoints and then train a keypoint…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Zelin Zhao , Gao Peng , Haoyu Wang , Hao-Shu Fang , Chengkun Li , Cewu Lu

We address the task of 6D multi-object pose: given a set of known 3D objects and an RGB or RGB-D input image, we detect and estimate the 6D pose of each object. We propose a new approach to 6D object pose estimation which consists of an…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Lahav Lipson , Zachary Teed , Ankit Goyal , Jia Deng

Point clouds or depth images captured by current RGB-D cameras often suffer from low resolution, rendering them insufficient for applications such as 3D reconstruction and robots. Existing point cloud super-resolution (PCSR) methods are…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Zheng Fang , Ke Ye , Yaofang Liu , Gongzhe Li , Xianhong Zhao , Jialong Li , Ruxin Wang , Yuchen Zhang , Xiangyang Ji , Qilin Sun

Point clouds captured in real-world applications are often incomplete due to the limited sensor resolution, single viewpoint, and occlusion. Therefore, recovering the complete point clouds from partial ones becomes an indispensable task in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Xumin Yu , Yongming Rao , Ziyi Wang , Zuyan Liu , Jiwen Lu , Jie Zhou

Point cloud registration is a task to estimate the rigid transformation between two unaligned scans, which plays an important role in many computer vision applications. Previous learning-based works commonly focus on supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Mingzhi Yuan , Kexue Fu , Zhihao Li , Yucong Meng , Manning Wang

6 DoF poses estimation problem aims to estimate the rotation and translation parameters between two coordinates, such as object world coordinate and camera world coordinate. Although some advances are made with the help of deep learning,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Haowen Sun , Taiyong Wang

Inspired by the recent PointHop classification method, an unsupervised 3D point cloud registration method, called R-PointHop, is proposed in this work. R-PointHop first determines a local reference frame (LRF) for every point using its…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Pranav Kadam , Min Zhang , Shan Liu , C. -C. Jay Kuo

3D point cloud registration in remote sensing field has been greatly advanced by deep learning based methods, where the rigid transformation is either directly regressed from the two point clouds (correspondences-free approaches) or…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Zhiyuan Zhang , Jiadai Sun , Yuchao Dai , Dingfu Zhou , Xibin Song , Mingyi He

The goal of this paper is to address the problem of global point cloud registration (PCR) i.e., finding the optimal alignment between point clouds irrespective of the initial poses of the scans. This problem is notoriously challenging for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Stefanos Pertigkiozoglou , Evangelos Chatzipantazis , Kostas Daniilidis

Point clouds captured by scanning devices are often incomplete due to occlusion. To overcome this limitation, point cloud completion methods have been developed to predict the complete shape of an object based on its partial input. These…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Lintai Wu , Qijian Zhang , Junhui Hou , Yong Xu

With the rapid development of computer vision and deep learning, significant advancements have been made in 3D vision, partic- ularly in autonomous driving, robotic perception, and augmented reality. 3D point cloud data, as a crucial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Ke Wang , Yanfei Cao , Xiangzhi Tao , Naijie Gu , Jun Yu , Zhengdong Wang , Shouyang Dong , Fan Yu , Cong Wang , Yang Luo

Recently, cross-source point cloud registration from different sensors has become a significant research focus. However, traditional methods confront challenges due to the varying density and structure of cross-source point clouds. In order…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Yu Wang , Shuhui Bu , Lin Chen , Yifei Dong , Kun Li , Xuefeng Cao , Ke Li

Iterative Closest Point (ICP) solves the rigid point cloud registration problem iteratively in two steps: (1) make hard assignments of spatially closest point correspondences, and then (2) find the least-squares rigid transformation. The…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Zi Jian Yew , Gim Hee Lee

Accurate Point Cloud Registration (PCR) is an important task in 3D data processing, involving the estimation of a rigid transformation between two point clouds. While deep-learning methods have addressed key limitations of traditional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yasaman Kashefbahrami , Erkut Akdag , Panagiotis Meletis , Evgeniya Balmashnova , Dip Goswami , Egor Bondarau

Recent advances in generative modeling have demonstrated strong promise for high-quality point cloud upsampling. In this work, we present PUFM++, an enhanced flow-matching framework for reconstructing dense and accurate point clouds from…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Zhi-Song Liu , Chenhang He , Roland Maier , Andreas Rupp

Pre-trained large-scale models have exhibited remarkable efficacy in computer vision, particularly for 2D image analysis. However, when it comes to 3D point clouds, the constrained accessibility of data, in contrast to the vast repositories…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Mengke Li , Da Li , Guoqing Yang , Yiu-ming Cheung , Hui Huang

MaskedFusion is a framework to estimate the 6D pose of objects using RGB-D data, with an architecture that leverages multiple sub-tasks in a pipeline to achieve accurate 6D poses. 6D pose estimation is an open challenge due to complex world…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Nuno Pereira , Luís A. Alexandre

We present DeepICP - a novel end-to-end learning-based 3D point cloud registration framework that achieves comparable registration accuracy to prior state-of-the-art geometric methods. Different from other keypoint based methods where a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Weixin Lu , Guowei Wan , Yao Zhou , Xiangyu Fu , Pengfei Yuan , Shiyu Song

Scanning real-life scenes with modern registration devices typically gives incomplete point cloud representations, primarily due to the limitations of partial scanning, 3D occlusions, and dynamic light conditions. Recent works on processing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Haipeng Wang