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Convolution neural network (CNN), as one of the most powerful and popular technologies, has achieved remarkable progress for image and video classification since its invention in 1989. However, with the high definition video-data explosion,…

新兴技术 · 计算机科学 2021-08-04 Yue Jiang , Wenjia Zhang , Fan Yang , Zuyuan He

In this paper, we propose an effective electrocardiogram (ECG) arrhythmia classification method using a deep two-dimensional convolutional neural network (CNN) which recently shows outstanding performance in the field of pattern…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Tae Joon Jun , Hoang Minh Nguyen , Daeyoun Kang , Dohyeun Kim , Daeyoung Kim , Young-Hak Kim

In this paper, we introduce deep learning technology to tackle two traditional low-level image processing problems, companding and inverse halftoning. We make two main contributions. First, to the best knowledge of the authors, this is the…

计算机视觉与模式识别 · 计算机科学 2017-07-24 Xianxu Hou , Guoping Qiu

Computed Tomography (CT) is widely used in engineering and medicine for imaging the interior of objects, patients, or animals. If the employed X-ray source is monoenergetic, image reconstruction essentially means the inversion of a ray…

最优化与控制 · 数学 2022-06-08 Georgios Papanikos , Benedikt Wirth

In recent decades, digital image processing has gained enormous popularity. Consequently, a number of data compression strategies have been put forth, with the goal of minimizing the amount of information required to represent images. Among…

图像与视频处理 · 电气工程与系统科学 2023-07-04 Suman Kunwar

While deep convolutional neural networks (CNNs) have achieved impressive success in image denoising with additive white Gaussian noise (AWGN), their performance remains limited on real-world noisy photographs. The main reason is that their…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Shi Guo , Zifei Yan , Kai Zhang , Wangmeng Zuo , Lei Zhang

EEG technology finds applications in several domains. Currently, most EEG systems require subjects to wear several electrodes on the scalp to be effective. However, several channels might include noisy information, redundant signals, induce…

信号处理 · 电气工程与系统科学 2021-06-22 Michela C. Massi , Francesca Ieva

State-of-the-art electron microscopes such as scanning electron microscopes (SEM), scanning transmission electron microscopes (STEM) and transmission electron microscopes (TEM) have become increasingly sophisticated. However, the quality of…

计算物理 · 物理学 2023-03-31 I. Lobato , T. Friedrich , S. Van Aert

Dual-energy computed tomography (DECT) has shown great potential and promising applications in advanced imaging fields for its capabilities of material decomposition. However, image reconstructions and decompositions under sparse views…

医学物理 · 物理学 2016-08-01 Lei Li , Ailong Cai , Linyuan Wang , Bin Yan , Hanming Zhang , Zhizhong Zheng , Wenkun Zhang , Wanli Lu , Guoen Hu

We present a deep neural network to reduce coherent noise in three-dimensional quantitative phase imaging. Inspired by the cycle generative adversarial network, the denoising network was trained to learn a transform between two image…

In the present work, 3D convolutional neural networks (CNNs) are trained to link random heterogeneous, two-phase materials of arbitrary phase fractions to their elastic macroscale stiffness thus replacing explicit homogenization…

材料科学 · 物理学 2021-09-08 Bernhard Eidel

A Convolutional Neural Network architecture was used to classify various isotopes of time-sequenced gamma-ray spectra, a typical output of a radiation detection system of a type commonly fielded for security or environmental measurement…

应用物理 · 物理学 2019-08-30 Eric T. Moore , William P. Ford , Emma J. Hague , Johanna Turk

Sound events often occur in unstructured environments where they exhibit wide variations in their frequency content and temporal structure. Convolutional neural networks (CNN) are able to extract higher level features that are invariant to…

机器学习 · 计算机科学 2017-05-31 Emre Çakır , Giambattista Parascandolo , Toni Heittola , Heikki Huttunen , Tuomas Virtanen

Electrocardiogram (ECG) signals are frequently corrupted by noise, such as baseline wander (BW), muscle artifacts (MA), and electrode motion (EM), which significantly degrade their diagnostic utility. To address this issue, we propose…

信号处理 · 电气工程与系统科学 2025-05-12 Sainan xiao , Wangdong Yang , Buwen Cao , Jintao Wu

Image denoising is a prerequisite for downstream tasks in many fields. Low-dose and photon-counting computed tomography (CT) denoising can optimize diagnostic performance at minimized radiation dose. Supervised deep denoising methods are…

机器学习 · 计算机科学 2022-01-06 Chuang Niu , Mengzhou Li , Fenglei Fan , Weiwen Wu , Xiaodong Guo , Qing Lyu , Ge Wang

Sleeping problems have become one of the major diseases all over the world. To tackle this issue, the basic tool used by specialists is the Polysomnogram, which is a collection of different signals recorded during sleep. After its…

机器学习 · 计算机科学 2021-03-31 Enrique Fernandez-Blanco , Daniel Rivero , Alejandro Pazos

The process of removing occluding hair has a relevant role in the early and accurate diagnosis of skin cancer. It consists of detecting hairs and restore the texture below them, which is sporadically occluded. In this work, we present a…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Lidia Talavera-Martínez , Pedro Bibiloni , Manuel González-Hidalgo

Image denoising is a classical problem in low level computer vision. Model-based optimization methods and deep learning approaches have been the two main strategies for solving the problem. Model-based optimization methods are flexible for…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Chang Liu , Zhaowei Shang , Anyong Qin

Seismologists often need to gather information about the subsurface structure of a location to determine if it is fit to be drilled for oil. However, there may be electrical noise in seismic data which is often removed by disregarding…

地球物理 · 物理学 2021-10-27 Yash Agarwal , Sarah Greer

Recent successful applications of convolutional neural networks (CNNs) to audio classification and speech recognition have motivated the search for better input representations for more efficient training. Visual displays of an audio…

计算机视觉与模式识别 · 计算机科学 2017-06-23 M. Huzaifah