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相关论文: Blind De-Blurring of Microscopy Images for Cornea …

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The goal of this project is to build a deep-learning solution that deblurs cornea scans, used for medical examination. The spherical shape of the eye prevents ophtamologist from having completely sharp image. Provided with a stack of…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Toussain Cardot , Pilar Marxer , Ivan Snozzi

Reproducing an all-in-focus image from an image with defocus regions is of practical value in many applications, eg, digital photography, and robotics. Using the output of some existing defocus map estimator, existing approaches first…

计算机视觉与模式识别 · 计算机科学 2018-08-29 Guodong Xu , Chaoqiang Liu , Hui Ji

Deconvolution is the most commonly used image processing method to remove the blur caused by the point-spread-function (PSF) in optical imaging systems. While this method has been successful in deblurring, it suffers from several…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Huangxuan Zhao , Ziwen Ke , Ningbo Chen , Ke Li , Lidai Wang , Xiaojing Gong , Wei Zheng , Liang Song , Zhicheng Liu , Dong Liang , Chengbo Liu

Blind deconvolution problems are severely ill-posed because neither the underlying signal nor the forward operator are not known exactly. Conventionally, these problems are solved by alternating between estimation of the image and kernel…

图像与视频处理 · 电气工程与系统科学 2023-12-06 Yash Sanghvi , Yiheng Chi , Stanley H. Chan

Blind image deblurring is a particularly challenging inverse problem where the blur kernel is unknown and must be estimated en route to recover the deblurred image. The problem is of strong practical relevance since many imaging devices…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Mohammad Tofighi , Yuelong Li , Vishal Monga

The problem of deblurring an image when the blur kernel is unknown remains challenging after decades of work. Recently there has been rapid progress on correcting irregular blur patterns caused by camera shake, but there is still much room…

计算机视觉与模式识别 · 计算机科学 2013-02-08 Paul Shearer , Anna C. Gilbert , Alfred O. Hero

In this paper, we propose a novel design of image deblurring in the form of one-shot convolution filtering that can directly convolve with naturally blurred images for restoration. The problem of optical blurring is a common disadvantage to…

图像与视频处理 · 电气工程与系统科学 2019-07-22 Mahdi S. Hosseini , Konstantinos N. Plataniotis

The goal of blind image deblurring is to recover a sharp image from a motion blurred one without knowing the camera motion. Current state-of-the-art methods have a remarkably good performance on images with no noise or very low noise…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Jérémy Anger , Mauricio Delbracio , Gabriele Facciolo

In this work we introduce a new method that combines Parallel MRI and Compressed Sensing (CS) for accelerated image reconstruction from subsampled k-space data. The method first computes a convolved image, which gives the convolution…

医学物理 · 物理学 2021-09-20 Efrat Shimron , Andrew G. Webb , Haim Azhari

Most blind deconvolution methods usually pre-define a large kernel size to guarantee the support domain. Blur kernel estimation error is likely to be introduced, yielding severe artifacts in deblurring results. In this paper, we first…

计算机视觉与模式识别 · 计算机科学 2019-02-25 Li Si-Yao , Dongwei Ren , Qian Yin

We propose a very fast and effective one-step restoring method for blurry face images. In the last decades, many blind deblurring algorithms have been proposed to restore latent sharp images. However, these algorithms run slowly because of…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Lingxiao Wang , Yali Li , Shengjin Wang

Image deblurring is a classic problem in low-level computer vision with the aim to recover a sharp image from a blurred input image. Advances in deep learning have led to significant progress in solving this problem, and a large number of…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Kaihao Zhang , Wenqi Ren , Wenhan Luo , Wei-Sheng Lai , Bjorn Stenger , Ming-Hsuan Yang , Hongdong Li

Blind image deblurring is the process of recovering a sharp image from a blurred one without prior knowledge about the blur kernel. It is a small data problem, since the key challenge lies in estimating the unknown degrees of blur from a…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Abdul Mohaimen Al Radi , Prothito Shovon Majumder , Md. Mosaddek Khan

Blind image restoration is a non-convex problem which involves restoration of images from an unknown blur kernel. The factors affecting the performance of this restoration are how much prior information about an image and a blur kernel are…

计算机视觉与模式识别 · 计算机科学 2015-12-15 Chia-Chen Lee , Wen-Liang Hwang

Defocus blur is a physical consequence of the optical sensors used in most cameras. Although it can be used as a photographic style, it is commonly viewed as an image degradation modeled as the convolution of a sharp image with a…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Ali Karaali , Claudio Rosito Jung

Blind Image deblurring tries to estimate blurriness and a latent image out of a blurred image. This estimation, as being an ill-posed problem, requires imposing restrictions on the latent image or a blur kernel that represents blurriness.…

计算机视觉与模式识别 · 计算机科学 2021-01-18 Sajjad Amrollahi Biyouki , Hoon Hwangbo

The goal of blind image deblurring is to recover sharp image from one input blurred image with an unknown blur kernel. Most of image deblurring approaches focus on developing image priors, however, there is not enough attention to the…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Hang Yang , Xiaotian Wu , Xinglong Sun

When a facial image is blurred, it significantly affects high-level vision tasks such as face recognition. The purpose of facial image deblurring is to recover a clear image from a blurry input image, which can improve the recognition…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Bingnan Wang , Fanjiang Xu , Quan Zheng

Defocus blur arises in images that are captured with a shallow depth of field due to the use of a wide aperture. Correcting defocus blur is challenging because the blur is spatially varying and difficult to estimate. We propose an effective…

图像与视频处理 · 电气工程与系统科学 2020-07-20 Abdullah Abuolaim , Michael S. Brown

Cell counting is a ubiquitous, yet tedious task that would greatly benefit from automation. From basic biological questions to clinical trials, cell counts provide key quantitative feedback that drive research. Unfortunately, cell counting…

计算机视觉与模式识别 · 计算机科学 2018-03-02 Carlos X. Hernández , Mohammad M. Sultan , Vijay S. Pande
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