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Recovering full 3D shapes from partial observations is a challenging task that has been extensively addressed in the computer vision community. Many deep learning methods tackle this problem by training 3D shape generation networks to learn…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Bipasha Sen , Aditya Agarwal , Gaurav Singh , Brojeshwar B. , Srinath Sridhar , Madhava Krishna

Point cloud completion aims to infer the complete geometries for missing regions of 3D objects from incomplete ones. Previous methods usually predict the complete point cloud based on the global shape representation extracted from the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Xin Wen , Tianyang Li , Zhizhong Han , Yu-Shen Liu

Matching local geometric features on real-world depth images is a challenging task due to the noisy, low-resolution, and incomplete nature of 3D scan data. These difficulties limit the performance of current state-of-art methods, which are…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Andy Zeng , Shuran Song , Matthias Nießner , Matthew Fisher , Jianxiong Xiao , Thomas Funkhouser

Traditional shape descriptors have been gradually replaced by convolutional neural networks due to their superior performance in feature extraction and classification. The state-of-the-art methods recognize object shapes via image…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Wenlong Shi , Changsheng Lu , Ming Shao , Yinjie Zhang , Siyu Xia , Piotr Koniusz

Recently, deep learning-based 3D face reconstruction methods have demonstrated promising advancements in terms of quality and efficiency. Nevertheless, these techniques face challenges in effectively handling occluded scenes and fail to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Dapeng Zhao

Recovering point clouds involves the sequential process of sampling and restoration, yet existing methods struggle to effectively leverage both topological and geometric attributes. To address this, we propose an end-to-end architecture…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Kaiyue Zhou , Zelong Tan , Hongxiao Wang , Ya-Li Li , Shengjin Wang

Image guided depth completion aims to recover per-pixel dense depth maps from sparse depth measurements with the help of aligned color images, which has a wide range of applications from robotics to autonomous driving. However, the 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Xin Liu , Xiaofei Shao , Bo Wang , Yali Li , Shengjin Wang

We present a method to reconstruct a dense spatio-temporal depth map of a non-rigidly deformable object directly from a video sequence. The estimation of depth is performed locally on spatio-temporal patches of the video, and then the full…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Matteo Pedone , Abdelrahman Mostafa , Janne heikkilä

We propose a novel approach for 3D shape completion by synthesizing multi-view depth maps. While previous work for shape completion relies on volumetric representations, meshes, or point clouds, we propose to use multi-view depth maps from…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Tao Hu , Zhizhong Han , Abhinav Shrivastava , Matthias Zwicker

Shape completion, the problem of inferring the complete geometry of an object given a partial point cloud, is an important problem in robotics and computer vision. This paper proposes the Graph Attention Shape Completion Network (GASCN), a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Haojie Huang , Ziyi Yang , Robert Platt

We cast shape matching as metric learning with convolutional networks. We break the end-to-end process of image representation into two parts. Firstly, well established efficient methods are chosen to turn the images into edge maps.…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Filip Radenović , Giorgos Tolias , Ondřej Chum

In this paper, we propose a Point Fractal Network (PF-Net), a novel learning-based approach for precise and high-fidelity point cloud completion. Unlike existing point cloud completion networks, which generate the overall shape of the point…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Zitian Huang , Yikuan Yu , Jiawen Xu , Feng Ni , Xinyi Le

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…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Xiang Li , Lingjing Wang , Yi Fang

Depth estimation features are helpful for 3D recognition. Commodity-grade depth cameras are able to capture depth and color image in real-time. However, glossy, transparent or distant surface cannot be scanned properly by the sensor. As a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Yu-Kai Huang , Tsung-Han Wu , Yueh-Cheng Liu , Winston H. Hsu

The recent surge of utilizing deep neural networks for geometric processing and shape modeling has opened up exciting avenues. However, there is a conspicuous lack of research efforts on using powerful neural representations to extend the…

Graphics · Computer Science 2026-01-27 Lei Yang , Yongqing Liang , Xin Li , Congyi Zhang , Guying Lin , Alla Sheffer , Scott Schaefer , John Keyser , Wenping Wang

Given partial objects and some complete ones as references, point cloud completion aims to recover authentic shapes. However, existing methods pay little attention to general shapes, which leads to the poor authenticity of completion…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Kaiyi Zhang , Ximing Yang , Yuan Wu , Cheng Jin

How will you repair a physical object with large missings? You may first recover its global yet coarse shape and stepwise increase its local details. We are motivated to imitate the above physical repair procedure to address the point cloud…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Fei Hu , Honghua Chen , Xuequan Lu , Zhe Zhu , Jun Wang , Weiming Wang , Fu Lee Wang , Mingqiang Wei

We introduce "PatchMorph," an new stochastic deep learning algorithm tailored for unsupervised 3D brain image registration. Unlike other methods, our method uses compact patches of a constant small size to derive solutions that can combine…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Henrik Skibbe , Michal Byra , Akiya Watakabe , Tetsuo Yamamori , Marco Reisert

3D shape editing is widely used in a range of applications such as movie production, computer games and computer aided design. It is also a popular research topic in computer graphics and computer vision. In past decades, researchers have…

Graphics · Computer Science 2021-03-03 Yu-Jie Yuan , Yu-Kun Lai , Tong Wu , Lin Gao , Ligang Liu

Deep learning technique has yielded significant improvements in point cloud completion with the aim of completing missing object shapes from partial inputs. However, most existing methods fail to recover realistic structures due to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee
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