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相关论文: A Neural Network Approach to ECG Denoising

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A deep convolutional neural network has been developed to denoise atomic-resolution TEM image datasets of nanoparticles acquired using direct electron counting detectors, for applications where the image signal is severely limited by shot…

This paper presents a novel version of the hypergraph neural network method. This method is utilized to solve the noisy label learning problem. First, we apply the PCA dimensional reduction technique to the feature matrices of the image…

机器学习 · 统计学 2022-09-07 Nguyen Trinh Vu Dang , Loc Tran , Linh Tran

Lacking rich and realistic data, learned single image denoising algorithms generalize poorly to real raw images that do not resemble the data used for training. Although the problem can be alleviated by the heteroscedastic Gaussian model…

图像与视频处理 · 电气工程与系统科学 2020-04-10 Kaixuan Wei , Ying Fu , Jiaolong Yang , Hua Huang

Image denoising is an important low-level computer vision task, which aims to reconstruct a noise-free and high-quality image from a noisy image. With the development of deep learning, convolutional neural network (CNN) has been gradually…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Chao Yao , Shuo Jin , Meiqin Liu , Xiaojuan Ban

Use denoising diffusion implicit model for bridge-type innovation. The process of adding noise and denoising to an image can be likened to the process of a corpse rotting and a detective restoring the scene of a victim being killed, to help…

机器学习 · 计算机科学 2024-02-13 Hongjun Zhang

This work describes a speech denoising system for machine ears that aims to improve speech intelligibility and the overall listening experience in noisy environments. We recorded approximately 100 hours of audio data with reverberation and…

音频与语音处理 · 电气工程与系统科学 2022-02-18 Cong Han , E. Merve Kaya , Kyle Hoefer , Malcolm Slaney , Simon Carlile

Noisy images are a challenge to image compression algorithms due to the inherent difficulty of compressing noise. As noise cannot easily be discerned from image details, such as high-frequency signals, its presence leads to extra bits…

图像与视频处理 · 电气工程与系统科学 2024-02-09 Yuxin Xie , Li Yu , Farhad Pakdaman , Moncef Gabbouj

The goal of a denoising algorithm is to reconstruct a signal from its noise-corrupted observations. Perfect reconstruction is seldom possible and performance is measured under a given fidelity criterion. In a recent work, the authors…

信息论 · 计算机科学 2009-11-11 George Gemelos , Styrmir Sigurjonsson , Tsachy Weissman

Noise reduction is a relevant topic when considering the application of chaotic signals in practical problems, such as communication systems or modeling biomedical signals. In this paper an echo state network (ESN) is employed to denoise a…

信号处理 · 电气工程与系统科学 2023-09-20 André L. O. Duarte , Marcio Eisencraft

Increasing use of CT in modern medical practice has raised concerns over associated radiation dose. Reduction of radiation dose associated with CT can increase noise and artifacts, which can adversely affect diagnostic confidence. Denoising…

计算机视觉与模式识别 · 计算机科学 2017-02-24 Qingsong Yang , Pingkun Yan , Mannudeep K. Kalra , Ge Wang

Mammography is using low-energy X-rays to screen the human breast and is utilized by radiologists to detect breast cancer. Typically radiologists require a mammogram with impeccable image quality for an accurate diagnosis. In this study, we…

图像与视频处理 · 电气工程与系统科学 2019-12-12 Dominik Eckert , Sulaiman Vesal , Ludwig Ritschl , Steffen Kappler , Andreas Maier

We present an end-to-end deep learning approach to denoising speech signals by processing the raw waveform directly. Given input audio containing speech corrupted by an additive background signal, the system aims to produce a processed…

音频与语音处理 · 电气工程与系统科学 2018-09-18 Francois G. Germain , Qifeng Chen , Vladlen Koltun

In this paper, a novel ECG monitoring approach based on IoT technology is suggested. This paper proposes a routing system for IoT healthcare platforms based on Dynamic Source Routing (DSR) and Routing by Energy and Link Quality (REL). In…

信号处理 · 电气工程与系统科学 2022-07-05 Ahmad M. Karim

We design a novel network architecture for learning discriminative image models that are employed to efficiently tackle the problem of grayscale and color image denoising. Based on the proposed architecture, we introduce two different…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Stamatios Lefkimmiatis

We describe a novel method for removing noise (in wavelet domain) of unknown variance from microarrays. The method is based on a smoothing of the coefficients of the highest subbands. Specifically, we decompose the noisy microarray into…

信号处理 · 电气工程与系统科学 2018-08-01 Mario Mastriani , Alberto. E. Giraldez

Electroencephalography (EEG) is highly susceptible to artifact contamination, such as electrooculographic (EOG) and electromyographic (EMG) interference, which severely degrades signal quality and hinders reliable interpretation in…

信号处理 · 电气工程与系统科学 2026-05-12 Phat Lam

Denoising of clinical CT images is an active area for deep learning research. Current clinically approved methods use iterative reconstruction methods to reduce the noise in CT images. Iterative reconstruction techniques require multiple…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Mayank Patwari , Ralf Gutjahr , Rainer Raupach , Andreas Maier

Currently, many blind deblurring methods assume blurred images are noise-free and perform unsatisfactorily on the blurry images with noise. Unfortunately, noise is quite common in real scenes. A straightforward solution is to denoise images…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Si Miao , Yongxin Zhu

Existing deep learning-based speech denoising approaches require clean speech signals to be available for training. This paper presents a deep learning-based approach to improve speech denoising in real-world audio environments by not…

音频与语音处理 · 电气工程与系统科学 2020-02-25 Nasim Alamdari , Arian Azarang , Nasser Kehtarnavaz

During the acquisition of an image from its source, noise always becomes an integral part of it. Various algorithms have been used in past to denoise the images. Image denoising still has scope for improvement. Visual information…

图像与视频处理 · 电气工程与系统科学 2019-09-17 Santosh Paudel , Ajay Kumar Shrestha , Pradip Singh Maharjan , Rameshwar Rijal