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Related papers: Denoising-While-Completing Network (DWCNet): Robus…

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Unpaired point cloud completion is crucial for real-world applications, where ground-truth data for complete point clouds are often unavailable. By learning a completion map from unpaired incomplete and complete point cloud data, this task…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Taekyung Lee , Jaemoo Choi , Jaewoong Choi , Myungjoo Kang

Traditional denoising methods for noise removal have largely relied on handcrafted priors, often perform well in controlled environments but struggle to address the complexity and variability of real noise. In contrast, deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Weimin Yuan , Cai Meng

Point clouds are an increasingly relevant data type but they are often corrupted by noise. We propose a deep neural network based on graph-convolutional layers that can elegantly deal with the permutation-invariance problem encountered by…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Francesca Pistilli , Giulia Fracastoro , Diego Valsesia , Enrico Magli

Designing a point cloud upsampler, which aims to generate a clean and dense point cloud given a sparse point representation, is a fundamental and challenging problem in computer vision. A line of attempts achieves this goal by establishing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Pingping Cai , Zhenyao Wu , Xinyi Wu , Song Wang

The quality of point clouds is often limited by noise introduced during their capture process. Consequently, a fundamental 3D vision task is the removal of noise, known as point cloud filtering or denoising. State-of-the-art learning based…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Dasith de Silva Edirimuni , Xuequan Lu , Zhiwen Shao , Gang Li , Antonio Robles-Kelly , Ying He

Supervised deep networks have achieved promisingperformance on image denoising, by learning image priors andnoise statistics on plenty pairs of noisy and clean images. Unsupervised denoising networks are trained with only noisy images.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Jun Xu , Yuan Huang , Ming-Ming Cheng , Li Liu , Fan Zhu , Zhou Xu , Ling Shao

In this paper we study the task of a single-view image-guided point cloud completion. Existing methods have got promising results by fusing the information of image into point cloud explicitly or implicitly. However, given that the image…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Aihua Mao , Yuxuan Tang , Jiangtao Huang , Ying He

Convolutional Neural Networks (CNNs) are generally prone to noise interruptions, i.e., small image noise can cause drastic changes in the output. To suppress the noise effect to the final predication, we enhance CNNs by replacing…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Qiufu Li , Linlin Shen , Sheng Guo , Zhihui Lai

Controllable image denoising aims to generate clean samples with human perceptual priors and balance sharpness and smoothness. In traditional filter-based denoising methods, this can be easily achieved by adjusting the filtering strength.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Zhaoyang Zhang , Yitong Jiang , Wenqi Shao , Xiaogang Wang , Ping Luo , Kaimo Lin , Jinwei Gu

In this paper, we propose our Correlation For Completion Network (CFCNet), an end-to-end deep learning model that uses the correlation between two data sources to perform sparse depth completion. CFCNet learns to capture, to the largest…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Yiqi Zhong , Cho-Ying Wu , Suya You , Ulrich Neumann

Unsupervised depth completion aims to recover dense depth from the sparse one without using the ground-truth annotation. Although depth measurement obtained from LiDAR is usually sparse, it contains valid and real distance information,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Zhiqiang Yan , Kun Wang , Xiang Li , Zhenyu Zhang , Jun Li , Jian Yang

Convolutional neural network (CNN)-based image denoising methods have been widely studied recently, because of their high-speed processing capability and good visual quality. However, most of the existing CNN-based denoisers learn the image…

Image and Video Processing · Electrical Eng. & Systems 2020-06-30 Rui Zhao , Kin-Man Lam , Daniel P. K. Lun

Coherent noise regularly plagues seismic recordings, causing artefacts and uncertainties in products derived from down-the-line processing and imaging tasks. The outstanding capabilities of deep learning in denoising of natural and medical…

Geophysics · Physics 2022-06-02 Sixiu Liu , Claire Birnie , Tariq Alkhalifah

This paper presents a novel Collaborative Cyberattack Detection (CCD) system aimed at enhancing the security of blockchain-based data-sharing networks by addressing the complex challenges associated with noise addition in federated learning…

Cryptography and Security · Computer Science 2024-09-10 Tran Viet Khoa , Mohammad Abu Alsheikh , Yibeltal Alem , Dinh Thai Hoang

Point cloud completion is essential for robotic perception, object reconstruction and supporting downstream tasks like grasp planning, obstacle avoidance, and manipulation. However, incomplete geometry caused by self-occlusion and sensor…

Robotics · Computer Science 2025-09-18 Yadan Zeng , Jiadong Zhou , Xiaohan Li , I-Ming Chen

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

Scanning real-life scenes with modern registration devices typically give incomplete point cloud representations, mostly due to the limitations of the scanning process and 3D occlusions. Therefore, completing such partial representations…

Computer Vision and Pattern Recognition · Computer Science 2021-02-12 Przemysław Spurek , Artur Kasymov , Marcin Mazur , Diana Janik , Sławomir Tadeja , Łukasz Struski , Jacek Tabor , Tomasz Trzciński

As a collection of 3D points sampled from surfaces of objects, a 3D point cloud is widely used in robotics, autonomous driving and augmented reality. Due to the physical limitations of 3D sensing devices, 3D point clouds are usually noisy,…

Computational Geometry · Computer Science 2018-07-03 Chaojing Duan , Siheng Chen , Jelena Kovačević

Point clouds obtained from capture devices or 3D reconstruction techniques are often noisy and interfere with downstream tasks. The paper aims to recover the underlying surface of noisy point clouds. We design a novel model, NoiseTrans,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Guangzhe Hou , Guihe Qin , Minghui Sun , Yanhua Liang , Jie Yan , Zhonghan Zhang

In recent years, 3D point clouds (PCs) have gained significant attention due to their diverse applications across various fields, such as computer vision (CV), condition monitoring (CM), virtual reality, robotics, autonomous driving, etc.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Anju Rani , Daniel Ortiz-Arroyo , Petar Durdevic