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Related papers: HyperPocket: Generative Point Cloud Completion

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Key points, correspondences, projection matrices, point clouds and dense clouds are the skeletons in image-based 3D reconstruction, of which point clouds have the important role in generating a realistic and natural model for a 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Trung-Kien Le , Ping Li

Point cloud processing and 3D shape understanding are very challenging tasks for which deep learning techniques have demonstrated great potentials. Still further progresses are essential to allow artificial intelligent agents to interact…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Antonio Alliegro , Davide Boscaini , Tatiana Tommasi

Unsupervised point cloud segmentation is critical for embodied artificial intelligence and autonomous driving, as it mitigates the prohibitive cost of dense point-level annotations required by fully supervised methods. While integrating 2D…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Yixiao Song , Qingyong Li , Wen Wang , Zhicheng Yan

The unpaired point cloud completion task aims to complete a partial point cloud by using models trained with no ground truth. Existing unpaired point cloud completion methods are class-aware, i.e., a separate model is needed for each object…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Yixuan Yang , Jinyu Yang , Zixiang Zhao , Victor Sanchez , Feng Zheng

In this paper, we introduce a novel approach that harnesses both 2D and 3D attentions to enable highly accurate depth completion without requiring iterative spatial propagations. Specifically, we first enhance a baseline convolutional depth…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Yunxiao Shi , Manish Kumar Singh , Hong Cai , Fatih Porikli

Recent years have witnessed the emergence of 3D medical imaging techniques with the development of 3D sensors and technology. Due to the presence of noise in image acquisition, registration researchers focused on an alternative way to…

Machine Learning · Computer Science 2019-11-06 Liu Yang , Rudrasis Chakraborty

Our brain can effortlessly recognize objects even when partially hidden from view. Seeing the visible of the hidden is called amodal completion; however, this task remains a challenge for generative AI despite rapid progress. We propose to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Katherine Xu , Lingzhi Zhang , Jianbo Shi

In order to generate novel 3D shapes with machine learning, one must allow for interpolation. The typical approach for incorporating this creative process is to interpolate in a learned latent space so as to avoid the problem of generating…

Graphics · Computer Science 2020-01-28 Austin Dill , Songwei Ge , Eunsu Kang , Chun-Liang Li , Barnabas Poczos

Point cloud is an important type of geometric data structure for many embedded applications such as autonomous driving and augmented reality. Current Point Cloud Networks (PCNs) have proven to achieve great success in using inference to…

Hardware Architecture · Computer Science 2025-01-15 Yiming Gao , Chao Jiang , Wesley Piard , Xiangru Chen , Bhavesh Patel , Herman Lam

Point cloud completion is essential for robotic perception, object reconstruction and supporting downstream tasks like grasp planning, obstacle avoidance, and manipulation. However, incomplete geometry caused by self-occlusion and sensor…

Robotics · Computer Science 2025-09-18 Yadan Zeng , Jiadong Zhou , Xiaohan Li , I-Ming Chen

Point clouds arising from structured data, mainly as a result of CT scans, provides special properties on the distribution of points and the distances between those. Yet often, the amount of data provided can not compare to unstructured…

Computational Geometry · Computer Science 2017-02-16 Franziska Lippoldt , Hartmut Schwandt

Point cloud completion aims to recover partial geometric and topological shapes caused by equipment defects or limited viewpoints. Current methods either solely rely on the 3D coordinates of the point cloud to complete it or incorporate…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Feng Zhou , Qi Zhang , Ju Dai , Lei Li , Qing Fan , Junliang Xing

In this paper, we present a new method that reformulates point cloud completion as a set-to-set translation problem and design a new model, called PoinTr, which adopts a Transformer encoder-decoder architecture for point cloud completion.…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Xumin Yu , Yongming Rao , Ziyi Wang , Jiwen Lu , Jie Zhou

3D Gaussian Splatting (3DGS) has demonstrated its advantages in achieving fast and high-quality rendering. As point clouds serve as a widely-used and easily accessible form of 3D representation, bridging the gap between point clouds and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Weiqi Zhang , Junsheng Zhou , Haotian Geng , Wenyuan Zhang , Yu-Shen Liu

Reconstructing hand-held objects in 3D from monocular images remains a significant challenge in computer vision. Most existing approaches rely on implicit 3D representations, which produce overly smooth reconstructions and are…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Zerui Chen , Rolandos Alexandros Potamias , Shizhe Chen , Cordelia Schmid

We study the problem of generating point clouds of 3D objects. Instead of discretizing the object into 3D voxels with huge computational cost and resolution limitations, we propose a novel geometry image based generator (GIG) to convert the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Lei Wang , Yuchun Huang , Pengjie Tao , Yaolin Hou , Yuxuan Liu

In this paper, we propose a novel network, SVDFormer, to tackle two specific challenges in point cloud completion: understanding faithful global shapes from incomplete point clouds and generating high-accuracy local structures. Current…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Zhe Zhu , Honghua Chen , Xing He , Weiming Wang , Jing Qin , Mingqiang Wei

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,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Minghua Liu , Lu Sheng , Sheng Yang , Jing Shao , Shi-Min Hu

Point cloud completion addresses filling in the missing parts of a partial point cloud obtained from depth sensors and generating a complete point cloud. Although there has been steep progress in the supervised methods on the synthetic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Sangmin Hong , Mohsen Yavartanoo , Reyhaneh Neshatavar , Kyoung Mu Lee

Point clouds have grown in importance in the way computers perceive the world. From LIDAR sensors in autonomous cars and drones to the time of flight and stereo vision systems in our phones, point clouds are everywhere. Despite their…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Vinit Sarode , Animesh Dhagat , Rangaprasad Arun Srivatsan , Nicolas Zevallos , Simon Lucey , Howie Choset