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Image denoising is a fundamental task in low-level computer vision. While recent deep learning-based image denoising methods have achieved impressive performance, they are black-box models and the underlying denoising principle remains…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Jingwei Niu , Jun Cheng , Shan Tan

A dataset, collected under an industrial setting, often contains a significant portion of noises. In many cases, using trivial filters is not enough to retrieve useful information i.e., accurate value without the noise. One such data is…

信号处理 · 电气工程与系统科学 2023-03-15 Mst Shapna Akter , Hossain Shahriar

Due to its noninvasive character, optical coherence tomography (OCT) has become a popular diagnostic method in clinical settings. However, the low-coherence interferometric imaging procedure is inevitably contaminated by heavy speckle…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Yongqiang Huang , Wenjun Xia , Zexin Lu , Yan Liu , Hu Chen , Jiliu Zhou , Leyuan Fang , Yi Zhang

In this work, we investigate a Deep Learning (DL) approach to fish segmentation in a small dataset of noisy low-resolution images generated by a forward-looking multibeam echosounder (MBES). We build on recent advances in DL and…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Jesper Haahr Christensen , Lars Valdemar Mogensen , Ole Ravn

Wideband spectrum sensing is an essential part of cognitive radio systems. Exact spectrum estimation is usually inefficient as it requires sampling rates at or above the Nyquist rate. Using prior information on the structure of the signal…

信息论 · 计算机科学 2018-03-14 Lampros Flokas , Petros Maragos

Modern deep neural networks (DNNs) become frail when the datasets contain noisy (incorrect) class labels. Robust techniques in the presence of noisy labels can be categorized into two folds: developing noise-robust functions or using…

机器学习 · 计算机科学 2021-10-28 Taehyeon Kim , Jongwoo Ko , Sangwook Cho , Jinhwan Choi , Se-Young Yun

Laser cutting is a widely adopted technology in material processing across various industries, but it generates a significant amount of dust, smoke, and aerosols during operation, posing a risk to both the environment and workers' health.…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Mohamed Abdallah Salem , Hamdy Ahmed Ashur , Ahmed Elshinnawy

Noise ubiquitously exists in signals due to numerous factors including physical, electronic, and environmental effects. Traditional methods of symbolic regression, such as genetic programming or deep learning models, aim to find the most…

机器学习 · 计算机科学 2024-06-24 Jingyi Liu , Yanjie Li , Lina Yu , Min Wu , Weijun Li , Wenqiang Li , Meilan Hao , Yusong Deng , Shu Wei

Scanning electron microscopy (SEM) is indispensable in diverse applications ranging from microelectronics to food processing because it provides large depth-of-field images with a resolution beyond the optical diffraction limit. However,…

It is crucial to distinguish mislabeled samples for dealing with noisy labels. Previous methods such as Coteaching and JoCoR introduce two different networks to select clean samples out of the noisy ones and only use these clean ones to…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Rumeng Yi , Yaping Huang

Noisy labels, inevitably existing in pseudo segmentation labels generated from weak object-level annotations, severely hampers model optimization for semantic segmentation. Previous works often rely on massive hand-crafted losses and…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Shenwang Jiang , Jianan Li , Ying Wang , Wenxuan Wu , Jizhou Zhang , Bo Huang , Tingfa Xu

Hyperspectral imaging has been widely used for spectral and spatial identification of target molecules, yet often contaminated by sophisticated noise. Current denoising methods generally rely on independent and identically distributed noise…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Guangrui Ding , Chang Liu , Jiaze Yin , Xinyan Teng , Yuying Tan , Hongjian He , Haonan Lin , Lei Tian , Ji-Xin Cheng

Speckle noise is a fundamental challenge in coherent imaging systems, significantly degrading image quality. Over the past decades, numerous despeckling algorithms have been developed for applications such as Synthetic Aperture Radar (SAR)…

信息论 · 计算机科学 2025-01-31 Ali Zafari , Shirin Jalali

Deep learning (DL) based hyperspectral images (HSIs) denoising approaches directly learn the nonlinear mapping between observed noisy images and underlying clean images. They normally do not consider the physical characteristics of HSIs,…

图像与视频处理 · 电气工程与系统科学 2021-11-16 Fengchao Xiong , Shuyin Tao , Jun Zhou , Jianfeng Lu , Jiantao Zhou , Yuntao Qian

Raman spectroscopy can provide insight into the molecular composition of cells and tissue. Consequently, it can be used as a powerful diagnostic tool, e.g. to help identify changes in molecular contents with the onset of disease. But robust…

医学物理 · 物理学 2023-08-02 Ciaran Bench , Mads S. Bergholt , Mohamed Ali al-Badri

Chinese Space Station Telescope (CSST) has the capability to conduct slitless spectroscopic survey simultaneously with photometric survey. The spectroscopic survey will measure slitless spectra, potentially providing more accurate…

宇宙学与河外天体物理 · 物理学 2025-02-25 Xingchen Zhou , Yan Gong , Xin Zhang , Nan Li , Xian-Min Meng , Xuelei Chen , Run Wen , Yunkun Han , Hu Zou , Xian Zhong Zheng , Xiaohu Yang , Hong Guo , Pengjie Zhang

We propose a new algorithm to learn a dictionary for reconstructing and sparsely encoding signals from measurements without phase. Specifically, we consider the task of estimating a two-dimensional image from squared-magnitude measurements…

最优化与控制 · 数学 2016-11-23 Andreas M. Tillmann , Yonina C. Eldar , Julien Mairal

Biomedical images are noisy. The imaging equipment itself has physical limitations, and the consequent experimental trade-offs between signal-to-noise ratio, acquisition speed, and imaging depth exacerbate the problem. Denoising is,…

图像与视频处理 · 电气工程与系统科学 2020-11-11 Mikhail Papkov , Kenny Roberts , Lee Ann Madissoon , Omer Bayraktar , Dmytro Fishman , Kaupo Palo , Leopold Parts

Speckle reduction is a key step in many remote sensing applications. By strongly affecting synthetic aperture radar (SAR) images, it makes them difficult to analyse. Due to the difficulty to model the spatial correlation of speckle, a deep…

图像与视频处理 · 电气工程与系统科学 2021-04-14 Emanuele Dalsasso , Loïc Denis , Florence Tupin

Many state-of-the-art noisy-label learning methods rely on learning mechanisms that estimate the samples' clean labels during training and discard their original noisy labels. However, this approach prevents the learning of the relationship…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Brandon Smart , Gustavo Carneiro
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