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Related papers: Dynamic Point Cloud Denoising via Gradient Fields

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3D dynamic point clouds provide a natural discrete representation of real-world objects or scenes in motion, with a wide range of applications in immersive telepresence, autonomous driving, surveillance, \etc. Nevertheless, dynamic point…

Image and Video Processing · Electrical Eng. & Systems 2021-07-28 Wei Hu , Qianjiang Hu , Zehua Wang , Xiang Gao

To achieve point cloud denoising, traditional methods heavily rely on geometric priors, and most learning-based approaches suffer from outliers and loss of details. Recently, the gradient-based method was proposed to estimate the gradient…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Yaping Zhao , Haitian Zheng , Zhongrui Wang , Jiebo Luo , Edmund Y. Lam

The prevalence of accessible depth sensing and 3D laser scanning techniques has enabled the convenient acquisition of 3D dynamic point clouds, which provide efficient representation of arbitrarily-shaped objects in motion. Nevertheless,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Wei Hu , Qianjiang Hu , Zehua Wang , Xiang Gao

3D point clouds acquired by scanning real-world objects or scenes have found a wide range of applications including immersive telepresence, autonomous driving, surveillance, etc. They are often perturbed by noise or suffer from low density,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Haolan Chen , Bi'an Du , Shitong Luo , Wei Hu

Accurate 3D geometry acquisition is essential for a wide range of applications, such as computer graphics, autonomous driving, robotics, and augmented reality. However, raw point clouds acquired in real-world environments are often…

Graphics · Computer Science 2025-08-26 Jinxi Wang , Ben Fei , Dasith de Silva Edirimuni , Zheng Liu , Ying He , Xuequan Lu

3D point cloud - a new signal representation of volumetric objects - is a discrete collection of triples marking exterior object surface locations in 3D space. Conventional imperfect acquisition processes of 3D point cloud - e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Jin Zeng , Gene Cheung , Michael Ng , Jiahao Pang , Cheng Yang

Point cloud denoising aims to restore clean point clouds from raw observations corrupted by noise and outliers while preserving the fine-grained details. We present a novel deep learning-based denoising model, that incorporates normalizing…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Aihua Mao , Zihui Du , Yu-Hui Wen , Jun Xuan , Yong-Jin Liu

Noisy 3D point clouds arise in many applications. They may be due to errors when constructing a 3D model from images or simply to imprecise depth sensors. Point clouds can be given geometrical structure using graphs created from the…

Computer Vision and Pattern Recognition · Computer Science 2015-11-17 Yann Schoenenberger , Johan Paratte , Pierre Vandergheynst

Real-world environment-derived point clouds invariably exhibit noise across varying modalities and intensities. Hence, point cloud denoising (PCD) is essential as a preprocessing step to improve downstream task performance. Deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Chengwei Zhang , Xueyi Zhang , Mingrui Lao , Tao Jiang , Xinhao Xu , Wenjie Li , Fubo Zhang , Longyong Chen

Point cloud denoising task aims to recover the clean point cloud from the scanned data coupled with different levels or patterns of noise. The recent state-of-the-art methods often train deep neural networks to update the point locations…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Zhaonan Wang , Manyi Li , ShiQing Xin , Changhe Tu

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

High-quality point cloud data is a critical foundation for tasks such as autonomous driving and 3D reconstruction. However, LiDAR-based point cloud acquisition is often affected by various disturbances, resulting in a large number of noise…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Ge Zhang , Chunyang Wang , Bin Liu , Guan Xi

A 3D point cloud is typically constructed from depth measurements acquired by sensors at one or more viewpoints. The measurements suffer from both quantization and noise corruption. To improve quality, previous works denoise a point cloud…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Xue Zhang , Gene Cheung , Jiahao Pang , Yash Sanghvi , Abhiram Gnanasambandam , Stanley H. Chan

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

We present a neural-network-based architecture for 3D point cloud denoising called neural projection denoising (NPD). In our previous work, we proposed a two-stage denoising algorithm, which first estimates reference planes and follows by…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Chaojing Duan , Siheng Chen , Jelena Kovacevic

Point cloud data now are popular data representations in a number of three-dimensional (3D) vision research realms. However, due to the limited performance of sensors and sensing noise, the raw data usually suffer from sparsity, noise, and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Siwen Quan , Junhao Yu , Ziming Nie , Muze Wang , Sijia Feng , Pei An , Jiaqi Yang

Due to limitations in acquisition equipment, noise perturbations often corrupt 3-D point clouds, hindering down-stream tasks such as surface reconstruction, rendering, and further processing. Existing 3-D point cloud denoising methods…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Wenqiang Xu , Wenrui Dai , Duoduo Xue , Ziyang Zheng , Chenglin Li , Junni Zou , Hongkai Xiong

The reconstruction of real-world surfaces is on high demand in various applications. Most existing reconstruction approaches apply 3D scanners for creating point clouds which are generally sparse and of low density. These points clouds will…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Rajat Sharma , Tobias Schwandt , Christian Kunert , Steffen Urban , Wolfgang Broll

Estimating normals for noisy point clouds is a persistent challenge in 3D geometry processing, particularly for end-to-end oriented normal estimation. Existing methods generally address relatively clean data and rely on supervised priors to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Qing Li , Huifang Feng , Xun Gong , Yu-Shen Liu

Point clouds acquired from scanning devices are often perturbed by noise, which affects downstream tasks such as surface reconstruction and analysis. The distribution of a noisy point cloud can be viewed as the distribution of a set of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Shitong Luo , Wei Hu
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