English
Related papers

Related papers: Unpaired Point Cloud Completion on Real Scans usin…

200 papers

Depth completion, aiming to predict dense depth maps from sparse depth measurements, plays a crucial role in many computer vision related applications. Deep learning approaches have demonstrated overwhelming success in this task. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Yu Cai , Tianyu Shen , Shi-Sheng Huang , Hua Huang

The point cloud based 3D single object tracking has drawn increasing attention. Although many breakthroughs have been achieved, we also reveal two severe issues. By extensive analysis, we find the prediction manner of current approaches is…

Computer Vision and Pattern Recognition · Computer Science 2023-02-10 Pan Wang , Liangliang Ren , Shengkai Wu , Jinrong Yang , En Yu , Hangcheng Yu , Xiaoping Li

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo

Pre-training has become a standard paradigm in many computer vision tasks. However, most of the methods are generally designed on the RGB image domain. Due to the discrepancy between the two-dimensional image plane and the three-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Zhenyu Li , Zehui Chen , Ang Li , Liangji Fang , Qinhong Jiang , Xianming Liu , Junjun Jiang , Bolei Zhou , Hang Zhao

In real-life applications, certain images utilized are corrupted in which the image pixels are damaged or missing, which increases the complexity of computer vision tasks. In this paper, a deep learning architecture is proposed to deal with…

Image and Video Processing · Electrical Eng. & Systems 2020-01-07 Vaishnav Chandak , Priyansh Saxena , Manisha Pattanaik , Gaurav Kaushal

The interest in matching non-rigidly deformed shapes represented as raw point clouds is rising due to the proliferation of low-cost 3D sensors. Yet, the task is challenging since point clouds are irregular and there is a lack of intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Huajian Zeng , Maolin Gao , Daniel Cremers

Real-world robotic grasping can be done robustly if a complete 3D Point Cloud Data (PCD) of an object is available. However, in practice, PCDs are often incomplete when objects are viewed from few and sparse viewpoints before the grasping…

Reconstruction of a continuous surface of two-dimensional manifold from its raw, discrete point cloud observation is a long-standing problem. The problem is technically ill-posed, and becomes more difficult considering that various sensing…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Zhangjin Huang , Yuxin Wen , Zihao Wang , Jinjuan Ren , Kui Jia

Recently, great progress has been made in 3D deep learning with the emergence of deep neural networks specifically designed for 3D point clouds. These networks are often trained from scratch or from pre-trained models learned purely from…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Bach Tran , Binh-Son Hua , Anh Tuan Tran , Minh Hoai

3D point cloud registration is a fundamental task in robotics and computer vision. Recently, many learning-based point cloud registration methods based on correspondences have emerged. However, these methods heavily rely on such…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Lifa Zhu , Dongrui Liu , Changwei Lin , Rui Yan , Francisco Gómez-Fernández , Ninghua Yang , Ziyong Feng

Point cloud registration is the process of aligning a pair of point sets via searching for a geometric transformation. Unlike classical optimization-based methods, recent learning-based methods leverage the power of deep learning for…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Lingjing Wang , Xiang Li , Yi Fang

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

Although 3D point cloud data has received widespread attentions as a general form of 3D signal expression, applying point clouds to the task of dense correspondence estimation between 3D shapes has not been investigated widely. Furthermore,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Zhiyuan Zhang , Jiadai Sun , Yuchao Dai , Bin Fan , Qi Liu

We present a novel 3D shape completion method that operates directly on unstructured point clouds, thus avoiding resource-intensive data structures like voxel grids. To this end, we introduce KAPLAN, a 3D point descriptor that aggregates…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Audrey Richard , Ian Cherabier , Martin R. Oswald , Marc Pollefeys , Konrad Schindler

The core of self-supervised point cloud learning lies in setting up appropriate pretext tasks, to construct a pre-training framework that enables the encoder to perceive 3D objects effectively. In this paper, we integrate two prevalent…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Yun Liu , Peng Li , Xuefeng Yan , Liangliang Nan , Bing Wang , Honghua Chen , Lina Gong , Wei Zhao , Mingqiang Wei

Depth completion and object detection are two crucial tasks often used for aerial 3D mapping, path planning, and collision avoidance of Uncrewed Aerial Vehicles (UAVs). Common solutions include using measurements from a LiDAR sensor;…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Sara Hatami Gazani , Fardad Dadboud , Miodrag Bolic , Iraj Mantegh , Homayoun Najjaran

Learning-based methods for 3D scene reconstruction and object completion require large datasets containing partial scans paired with complete ground-truth geometry. However, acquiring such datasets using real-world scanning systems is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Jelle Vermandere , Maarten Bassier , Maarten Vergauwen

Point cloud completion estimates complete shapes from incomplete point clouds to obtain higher-quality point cloud data. Most existing methods only consider global object features, ignoring spatial and semantic information of adjacent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Pengcheng Shi , Haozhe Cheng , Xu Han , Yiyang Zhou , Jihua Zhu

Current foundation models for 3D shapes excel at global tasks (retrieval, classification) but transfer poorly to local part-level reasoning. Recent approaches leverage vision and language foundation models to directly solve dense tasks…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Souhail Hadgi , Bingchen Gong , Ramana Sundararaman , Emery Pierson , Lei Li , Peter Wonka , Maks Ovsjanikov

3D part assembly aims to understand part relationships and predict their 6-DoF poses to construct realistic 3D shapes, addressing the growing demand for autonomous assembly, which is crucial for robots. Existing methods mainly estimate the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Ruiyuan Zhang , Qi Wang , Jiaxiang Liu , Yu Zhang , Yuchi Huo , Chao Wu