中文
相关论文

相关论文: Image denoising with less artefacts: Novel non-lin…

200 篇论文

In this paper, we address the problem of denoising images degraded by Poisson noise. We propose a new patch-based approach based on best linear prediction to estimate the underlying clean image. A simplified prediction formula is derived…

计算机视觉与模式识别 · 计算机科学 2018-03-02 Milad Niknejad , Mario A. T. Figueiredo

The bilateral filter is a useful nonlinear filter which without smoothing edges, it does spatial averaging. In the literature, the effectiveness of this method for image denoising is shown. In this paper, an extension of this method is…

计算机视觉与模式识别 · 计算机科学 2017-02-07 Seyede Mahya Hazavei , Hamid Reza Shahdoosti

Medical image denoising is essential for improving the reliability of clinical diagnosis and guiding subsequent image-based tasks. In this paper, we propose a multi-scale approach that integrates anisotropic Gaussian filtering with…

图像与视频处理 · 电气工程与系统科学 2025-03-12 Arghya Pal , Sailaja Rajanala , CheeMing Ting , Raphael Phan

Adversarial attacks to image classification systems present challenges to convolutional networks and opportunities for understanding them. This study suggests that adversarial perturbations on images lead to noise in the features…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Cihang Xie , Yuxin Wu , Laurens van der Maaten , Alan Yuille , Kaiming He

Noise is ubiquitous during image acquisition. Sufficient denoising is often an important first step for image processing. In recent decades, deep neural networks (DNNs) have been widely used for image denoising. Most DNN-based image…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Chenyin Gao , Shu Yang , Anru R. Zhang

The development of neural networks has greatly improved the performance in various computer vision tasks. In the filed of image denoising, convolutional neural network based methods such as DnCNN break through the limits of classical…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Xiaoqi Ma

Deep neural networks have been widely used in image denoising during the past few years. Even though they achieve great success on this problem, they are computationally inefficient which makes them inappropriate to be implemented in mobile…

图像与视频处理 · 电气工程与系统科学 2021-08-05 Lu Xu , Jiawei Zhang , Xuanye Cheng , Feng Zhang , Xing Wei , Jimmy Ren

With the growing popularity of smartphones, capturing high-quality images is of vital importance to smartphones. The cameras of smartphones have small apertures and small sensor cells, which lead to the noisy images in low light…

图像与视频处理 · 电气工程与系统科学 2022-08-15 Dasong Li , Yi Zhang , Ka Lung Law , Xiaogang Wang , Hongwei Qin , Hongsheng Li

Phase imaging and wavefront reconstruction from noisy observations of complex exponent is a topic of this paper. It is a highly non-linear problem because the exponent is a 2{\pi}-periodic function of phase. The reconstruction of phase and…

计算机视觉与模式识别 · 计算机科学 2017-11-02 Vladimir Katkovnik , Mykola Ponomarenko , Karen Egiazarian

When capturing and storing images, devices inevitably introduce noise. Reducing this noise is a critical task called image denoising. Deep learning has become the de facto method for image denoising, especially with the emergence of…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Haoyu Chen , Jinjin Gu , Yihao Liu , Salma Abdel Magid , Chao Dong , Qiong Wang , Hanspeter Pfister , Lei Zhu

Point clouds are utilized in various 3D applications such as cross-reality (XR) and realistic 3D displays. In some applications, e.g., for live streaming using a 3D point cloud, real-time point cloud denoising methods are required to…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Ryosuke Watanabe , Keisuke Nonaka , Eduardo Pavez , Tatsuya Kobayashi , Antonio Ortega

In this paper, we propose a state-of-the-art video denoising algorithm based on a convolutional neural network architecture. Until recently, video denoising with neural networks had been a largely under explored domain, and existing methods…

计算机视觉与模式识别 · 计算机科学 2020-05-01 Matias Tassano , Julie Delon , Thomas Veit

This paper proposes a novel method for automatic MRI denoising that exploits last advances in deep learning feature regression and self-similarity properties of the MR images. The proposed method is a two-stage approach. In the first stage,…

图像与视频处理 · 电气工程与系统科学 2019-11-19 Jose V. Manjon , Pierrick Coupe

Ultrafast electron beam X-ray computed tomography produces noisy data due to short measurement times, causing reconstruction artifacts and limiting overall image quality. To counteract these issues, two self-supervised deep learning methods…

机器学习 · 计算机科学 2025-11-24 Israt Jahan Tulin , Sebastian Starke , Dominic Windisch , André Bieberle , Peter Steinbach

Recent advances in 3D scanning technology have enabled the deployment of 3D models in various industrial applications like digital twins, remote inspection and reverse engineering. Despite their evolving performance, 3D scanners, still…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Stavros Nousias , Gerasimos Arvanitis , Aris S. Lalos , Konstantinos Moustakas

Sparse-view computed tomography (CT) can be used to reduce radiation dose greatly but is suffers from severe image artifacts. Recently, the deep learning based method for sparse-view CT reconstruction has attracted a major attention.…

图像与视频处理 · 电气工程与系统科学 2022-11-21 Wenjun Xia , Wenxiang Cong , Ge Wang

Low-dose CT images are essential for reducing radiation exposure in cancer screening, pediatric imaging, and longitudinal monitoring protocols, but their quality is often degraded by noise from low-dose acquisition, patient motion, or…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Jitindra Fartiyal , Pedro Freire , Sergei K. Turitsyn , Sergei G. Solovski

We introduce a novel approach to single image denoising based on the Blind Spot Denoising principle, which we call MAsked and SHuffled Blind Spot Denoising (MASH). We focus on the case of correlated noise, which often plagues real images.…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Hamadi Chihaoui , Paolo Favaro

This paper presents an edge-based defocus blur estimation method from a single defocused image. We first distinguish edges that lie at depth discontinuities (called depth edges, for which the blur estimate is ambiguous) from edges that lie…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Ali Karaali , Naomi Harte , Claudio Rosito Jung

Multi-energy computed tomography (CT) with photon counting detectors (PCDs) enables spectral imaging as PCDs can assign the incoming photons to specific energy channels. However, PCDs with many spectral channels drastically increase the…

图像与视频处理 · 电气工程与系统科学 2022-11-03 Satu I. Inkinen , Mikael A. K. Brix , Miika T. Nieminen , Simon Arridge , Andreas Hauptmann