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Related papers: "Zero-Shot" Point Cloud Upsampling

200 papers

Zero-shot learning on 3D point cloud data is a related underexplored problem compared to its 2D image counterpart. 3D data brings new challenges for ZSL due to the unavailability of robust pre-trained feature extraction models. To address…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Majid Nasiri , Ali Cheraghian , Townim Faisal Chowdhury , Sahar Ahmadi , Morteza Saberi , Shafin Rahman

Point cloud completion aims to recover raw point clouds captured by scanners from partial observations caused by occlusion and limited view angles. This makes it hard to recover details because the global feature is unlikely to capture the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Songxue Gao , Chuanqi Jiao , Ruidong Chen , Weijie Wang , Weizhi Nie

Zero-shot learning is the problem of predicting instances over classes not seen during training. One approach to zero-shot learning is providing auxiliary class information to the model. Prior work along this vein have largely used…

Machine Learning · Computer Science 2023-02-01 Austin W. Hanjie , Ameet Deshpande , Karthik Narasimhan

As the capabilities of Vision-Language Models (VLMs) advance, they can process increasingly large inputs, which, unlike in LLMs, generates significant visual token redundancy and leads to prohibitive inference costs. While many methods aim…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Pu Zhang , Yuwei Li , Xingyuan Xian , Guoming Tang

Recently, arbitrary-scale point cloud upsampling mechanism became increasingly popular due to its efficiency and convenience for practical applications. To achieve this, most previous approaches formulate it as a problem of surface…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Hang Du , Xuejun Yan , Jingjing Wang , Di Xie , Shiliang Pu

Zero-Shot Learning (ZSL) aims to recognize unseen classes by generalizing the knowledge, i.e., visual and semantic relationships, obtained from seen classes, where image augmentation techniques are commonly applied to improve the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Zhi Chen , Pengfei Zhang , Jingjing Li , Sen Wang , Zi Huang

We introduce Rectified Point Flow, a unified parameterization that formulates pairwise point cloud registration and multi-part shape assembly as a single conditional generative problem. Given unposed point clouds, our method learns a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Tao Sun , Liyuan Zhu , Shengyu Huang , Shuran Song , Iro Armeni

In this paper, we propose a point cloud classification method based on graph neural network and manifold learning. Different from the conventional point cloud analysis methods, this paper uses manifold learning algorithms to embed point…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Dinghao Yang , Wei Gao

Sampling is a key operation in point-cloud task and acts to increase computational efficiency and tractability by discarding redundant points. Universal sampling algorithms (e.g., Farthest Point Sampling) work without modification across…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Ta-Ying Cheng , Qingyong Hu , Qian Xie , Niki Trigoni , Andrew Markham

This paper presents an approach for compressing point cloud geometry by leveraging a lightweight super-resolution network. The proposed method involves decomposing a point cloud into a base point cloud and the interpolation patterns for…

Image and Video Processing · Electrical Eng. & Systems 2023-11-03 Wei Zhang , Dingquan Li , Ge Li , Wen Gao

The ever-increasing 3D application makes the point cloud compression unprecedentedly important and needed. In this paper, we propose a patch-based compression process using deep learning, focusing on the lossy point cloud geometry…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Kang You , Pan Gao

State Space models (SSMs) such as PointMamba enable efficient feature extraction for point cloud self-supervised learning with linear complexity, outperforming Transformers in computational efficiency. However, existing PointMamba-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Linshuang Diao , Sensen Song , Yurong Qian , Dayong Ren

In some of object recognition problems, labeled data may not be available for all categories. Zero-shot learning utilizes auxiliary information (also called signatures) describing each category in order to find a classifier that can…

Computer Vision and Pattern Recognition · Computer Science 2016-06-01 Seyed Mohsen Shojaee , Mahdieh Soleymani Baghshah

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

3D point cloud semantic segmentation aims to group all points into different semantic categories, which benefits important applications such as point cloud scene reconstruction and understanding. Existing supervised point cloud semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Canyu Zhang , Zhenyao Wu , Xinyi Wu , Ziyu Zhao , Song Wang

In this paper, we present KeyMatchNet, a novel network for zero-shot pose estimation in 3D point clouds. Our method uses only depth information, making it more applicable for many industrial use cases, as color information is seldom…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Frederik Hagelskjær , Rasmus Laurvig Haugaard

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…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Shuang Deng , Qiulei Dong , Bo Liu , Zhanyi Hu

Zero-shot learning deals with the ability to recognize objects without any visual training sample. To counterbalance this lack of visual data, each class to recognize is associated with a semantic prototype that reflects the essential…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Yannick Le Cacheux , Hervé Le Borgne , Michel Crucianu

One of the consequences of passing from mass production to mass customization paradigm in the nowadays industrialized world is the need to increase flexibility and responsiveness of manufacturing companies. The high-mix / low-volume…

Machine Learning · Computer Science 2019-01-28 João Reis , Gil Gonçalves

Zero-shot learning (ZSL) makes object recognition in images possible in absence of visual training data for a part of the classes from a dataset. When the number of classes is large, classes are usually represented by semantic class…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Yannick Le Cacheux , Adrian Popescu , Hervé Le Borgne