English
Related papers

Related papers: Fast graph-based denoising for point cloud color i…

200 papers

3D point clouds are often perturbed by noise due to the inherent limitation of acquisition equipments, which obstructs downstream tasks such as surface reconstruction, rendering and so on. Previous works mostly infer the displacement of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Shitong Luo , Wei Hu

Point cloud is a collection of 3D coordinates that are discrete geometric samples of an object's 2D surfaces. Using a low-cost 3D scanner to acquire data means that point clouds are often in lower resolution than desired for rendering on…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Chinthaka Dinesh , Gene Cheung , Ivan V. Bajic

Generating continuous surfaces from discrete point cloud data is a fundamental task in several 3D vision applications. Real-world point clouds are inherently noisy due to various technical and environmental factors. Existing data-driven…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Stuti Pathak , Rhys G. Evans , Gunther Steenackers , Rudi Penne

Dense 3D visual mapping estimates as many as possible pixel depths, for each image. This results in very dense point clouds that often contain redundant and noisy information, especially for surfaces that are roughly planar, for instance,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Luca Morreale , Andrea Romanoni , Matteo Matteucci

The recent advances in 3D sensing technology have made possible the capture of point clouds in significantly high resolution. However, increased detail usually comes at the expense of high storage, as well as computational costs in terms of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Rolandos Alexandros Potamias , Giorgos Bouritsas , Stefanos Zafeiriou

As 3D scanning devices and depth sensors mature, point clouds have attracted increasing attention as a format for 3D object representation, with applications in various fields such as tele-presence, navigation and heritage reconstruction.…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Zeqing Fu , Wei Hu , Zongming Guo

Point clouds are a basic data type that is increasingly of interest as 3D content becomes more ubiquitous. Applications using point clouds include virtual, augmented, and mixed reality and autonomous driving. We propose a more efficient…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Ryan Killea , Yun Li , Saeed Bastani , Paul McLachlan

We show that denoising of 3D point clouds can be learned unsupervised, directly from noisy 3D point cloud data only. This is achieved by extending recent ideas from learning of unsupervised image denoisers to unstructured 3D point clouds.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Pedro Hermosilla , Tobias Ritschel , Timo Ropinski

Learning signed distance functions (SDFs) from point clouds is an important task in 3D computer vision. However, without ground truth signed distances, point normals or clean point clouds, current methods still struggle from learning SDFs…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Junsheng Zhou , Baorui Ma , Yu-Shen Liu , Zhizhong Han

Automatic synthesis of high quality 3D shapes is an ongoing and challenging area of research. While several data-driven methods have been proposed that make use of neural networks to generate 3D shapes, none of them reach the level of…

Computer Vision and Pattern Recognition · Computer Science 2019-06-28 Isaak Lim , Moritz Ibing , Leif Kobbelt

Point cloud filtering is a fundamental problem in geometry modeling and processing. Despite of significant advancement in recent years, the existing methods still suffer from two issues: 1) they are either designed without preserving sharp…

Graphics · Computer Science 2020-09-29 Dongbo Zhang , Xuequan Lu , Hong Qin , Ying He

With the development of 3D laser scanning techniques and depth sensors, 3D dynamic point clouds have attracted increasing attention as a representation of 3D objects in motion, enabling various applications such as 3D immersive…

Graphics · Computer Science 2020-04-08 Zeqing Fu , Wei Hu , Zongming Guo

Point cloud registration is a fundamental problem in computer vision that aims to estimate the transformation between corresponding sets of points. Non-rigid registration, in particular, involves addressing challenges including various…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Sara Monji-Azad , Marvin Kinz , Jürgen Hesser

In typical point cloud delivery, a sender uses octree-based digital video compression to send three-dimensional (3D) points and color attributes over band-limited links. However, the digital-based schemes have an issue called the cliff…

Signal Processing · Electrical Eng. & Systems 2020-06-18 Takuya Fujihashi , Toshiaki Koike-Akino , Siheng Chen , Takashi Watanabe

We propose a precise and efficient normal estimation method that can deal with noise and nonuniform density for unstructured 3D point clouds. Unlike existing approaches that directly take patches and ignore the local neighborhood…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Keqiang Li , Mingyang Zhao , Huaiyu Wu , Dong-Ming Yan , Zhen Shen , Fei-Yue Wang , Gang Xiong

Point clouds data, as one kind of representation of 3D objects, are the most primitive output obtained by 3D sensors. Unlike 2D images, point clouds are disordered and unstructured. Hence it is not straightforward to apply classification…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Zhuyang Xie , Junzhou Chen , Bo Peng

We propose GeoGCN, a novel geometric dual-domain graph convolution network for point cloud denoising (PCD). Beyond the traditional wisdom of PCD, to fully exploit the geometric information of point clouds, we define two kinds of surface…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Zhaowei Chen , Peng Li , Zeyong Wei , Honghua Chen , Haoran Xie , Mingqiang Wei , Fu Lee Wang

3D model generation from single 2D RGB images is a challenging and actively researched computer vision task. Various techniques using conventional network architectures have been proposed for the same. However, the body of research work is…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Abdul Mueed Hafiz , Rouf Ul Alam Bhat , Shabir Ahmad Parah , M. Hassaballah

In recent years, there has been a significant increase in the utilization of deep learning methods, particularly convolutional neural networks (CNNs), which have emerged as the dominant approach in various domains that involve structured…

Machine Learning · Computer Science 2024-04-09 Chester Luo , Kevin Lai

To reduce cost in storing, processing and visualizing a large-scale point cloud, we consider a randomized resampling strategy to select a representative subset of points while preserving application-dependent features. The proposed strategy…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Siheng Chen , Dong Tian , Chen Feng , Anthony Vetro , Jelena Kovačević