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Advances in microscopy imaging enable researchers to visualize structures at the nanoscale level thereby unraveling intricate details of biological organization. However, challenges such as image noise, photobleaching of fluorophores, and…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Pamela Osuna-Vargas , Maren H. Wehrheim , Lucas Zinz , Johanna Rahm , Ashwin Balakrishnan , Alexandra Kaminer , Mike Heilemann , Matthias Kaschube

The total variation method is widely used in image noise suppression. However, this method is easy to cause the loss of image details, and it is also sensitive to parameters such as iteration time. In this work, the total variation method…

图像与视频处理 · 电气工程与系统科学 2020-03-19 Shuo Huang , Suiren Wan

Image denoising is a typical ill-posed problem due to complex degradation. Leading methods based on normalizing flows have tried to solve this problem with an invertible transformation instead of a deterministic mapping. However, the…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Wenchao Du , Hu Chen , Yi Zhang , H. Yang

We consider the problem of image denoising in the presence of noise whose statistical properties are a combination of two different distributions. We focus on noise distributions that are frequently considered in applications, in particular…

最优化与控制 · 数学 2016-11-22 Luca Calatroni , Juan Carlos De Los Reyes , Carola-Bibiane Schönlieb

Recently, there has been extensive research interest in training deep networks to denoise images without clean reference. However, the representative approaches such as Noise2Noise, Noise2Void, Stein's unbiased risk estimator (SURE), etc.…

图像与视频处理 · 电气工程与系统科学 2021-10-28 Kwanyoung Kim , Jong Chul Ye

Image denoising is of great importance for medical imaging system, since it can improve image quality for disease diagnosis and downstream image analyses. In a variety of applications, dynamic imaging techniques are utilized to capture the…

图像与视频处理 · 电气工程与系统科学 2021-06-24 Junshen Xu , Elfar Adalsteinsson

Despite its wide use in medicine, ultrasound imaging faces several challenges related to its poor signal-to-noise ratio and several sources of noise and artefacts. Enhancing ultrasound image quality involves balancing concurrent factors…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Yuxin Zhang , Clément Huneau , Jérôme Idier , Diana Mateus

As a hybrid imaging technology, photoacoustic microscopy (PAM) imaging suffers from noise due to the maximum permissible exposure of laser intensity, attenuation of ultrasound in the tissue, and the inherent noise of the transducer.…

图像与视频处理 · 电气工程与系统科学 2022-01-13 Da He , Jiasheng Zhou , Xiaoyu Shang , Jiajia Luo , Sung-Liang Chen

Image denoising is the first step in many biomedical image analysis pipelines and Deep Learning (DL) based methods are currently best performing. A new category of DL methods such as Noise2Void or Noise2Self can be used fully unsupervised,…

图像与视频处理 · 电气工程与系统科学 2020-03-20 Mangal Prakash , Manan Lalit , Pavel Tomancak , Alexander Krull , Florian Jug

Total variation denoising is a nonlinear filtering method well suited for the estimation of piecewise-constant signals observed in additive white Gaussian noise. The method is defined by the minimization of a particular non-differentiable…

最优化与控制 · 数学 2017-02-21 Ivan Selesnick

Image restoration has been an extensively researched topic in numerous fields. With the advent of deep learning, a lot of the current algorithms were replaced by algorithms that are more flexible and robust. Deep networks have demonstrated…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Rohit Jena

With recent deep learning based approaches showing promising results in removing noise from images, the best denoising performance has been reported in a supervised learning setup that requires a large set of paired noisy images and ground…

图像与视频处理 · 电气工程与系统科学 2022-09-20 Rihuan Ke

Ultrasound images are widespread in medical diagnosis for muscle-skeletal, cardiac, and obstetrical diseases, due to the efficiency and non-invasiveness of the acquisition methodology. However, ultrasound acquisition introduces noise in the…

图像与视频处理 · 电气工程与系统科学 2025-06-24 Simone Cammarasana , Paolo Nicolardi , Giuseppe Patanè

The problem of reconstruction of digital images from their degraded measurements is regarded as a problem of central importance in various fields of engineering and imaging sciences. In such cases, the degradation is typically caused by the…

计算机视觉与模式识别 · 计算机科学 2010-01-06 E. Shaked , O. Michailovich

In machine learning approach to image denoising a network is trained to recover a clean image from a noisy one. In this paper a novel structure is proposed based on training multiple specialized networks as opposed to existing structures…

图像与视频处理 · 电气工程与系统科学 2020-12-01 Seyed Mohsen Hosseini

Enhancing the visibility in extreme low-light environments is a challenging task. Under nearly lightless condition, existing image denoising methods could easily break down due to significantly low SNR. In this paper, we systematically…

图像与视频处理 · 电气工程与系统科学 2021-08-05 Kaixuan Wei , Ying Fu , Yinqiang Zheng , Jiaolong Yang

Deep learning approaches in image processing predominantly resort to supervised learning. A majority of methods for image denoising are no exception to this rule and hence demand pairs of noisy and corresponding clean images. Only recently…

图像与视频处理 · 电气工程与系统科学 2020-10-02 Priyatham Kattakinda , A. N. Rajagopalan

Poisson noise commonly occurs in images captured by photon-limited imaging systems such as in astronomy and medicine. As the distribution of Poisson noise depends on the pixel intensity value, noise levels vary from pixels to pixels. Hence,…

图像与视频处理 · 电气工程与系统科学 2023-07-04 Kevin Bui , Yifei Lou , Fredrick Park , Jack Xin

Blind image denoising is an important yet very challenging problem in computer vision due to the complicated acquisition process of real images. In this work we propose a new variational inference method, which integrates both noise…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Zongsheng Yue , Hongwei Yong , Qian Zhao , Lei Zhang , Deyu Meng

Current self-supervised denoising techniques achieve impressive results, yet their real-world application is frequently constrained by substantial computational and memory demands, necessitating a compromise between inference speed and…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Tomáš Chobola , Julia A. Schnabel , Tingying Peng