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Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15952
Abstract: BACKGROUND In recent years, low-dose computed tomography (LDCT) has played an important role in the diagnosis CT to reduce the potential adverse effects of x-ray radiation on patients, while maintaining the same diagnostic image quality.…
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Keywords:
network;
noise;
noise estimation;
network model ... See more keywords
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Published in 2018 at "Chemical Engineering Research and Design"
DOI: 10.1016/j.cherd.2018.10.006
Abstract: Abstract The purpose of this study is to adapt Multilevel Monte Carlo (MLMC) sampling technique for random noise estimation in stochastic multiscale systems and evaluate the performance of this method. The system under consideration was…
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Keywords:
noise estimation;
monte carlo;
stochastic multiscale;
estimation stochastic ... See more keywords
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Published in 2018 at "Neurocomputing"
DOI: 10.1016/j.neucom.2018.02.063
Abstract: Abstract Recently, the application of rank minimization to image denoising has shown remarkable denoising results. However, due to iterative nature of low rank optimization, the estimation of noise for next iteration is an essential requirement…
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Keywords:
noise estimation;
image;
residual noise;
noise ... See more keywords
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Published in 2019 at "Exploration Geophysics"
DOI: 10.1080/08123985.2019.1624479
Abstract: ABSTRACT In this study, a data-driven linear filtering method is proposed to recover microseismic signals from noisy data/observations. The proposed method is based on the statistics of the background noise and the observation, which are…
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Keywords:
noise estimation;
microquake;
method;
proposed method ... See more keywords
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Published in 2019 at "Australian Journal of Electrical and Electronics Engineering"
DOI: 10.1080/1448837x.2019.1651137
Abstract: ABSTRACT The standard technique of all Spectral Subtraction algorithms that are used for Speech Enhancement (SE) is to find out the clean speech by subtracting the noise estimate from the noisy speech spectrum. So the…
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Keywords:
noise estimation;
noise;
spectral subtraction;
phase aware ... See more keywords
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Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.119.129901
Abstract: This corrects the article DOI: 10.1103/PhysRevLett.118.100502.
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Keywords:
noise estimation;
adaptive noise;
erratum ultimate;
ultimate precision ... See more keywords
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1
Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2868718
Abstract: In this paper, a blind phase noise estimation method for a coherent optical orthogonal frequency-division multiplexing (CO-OFDM) system is considered. Based on the subspace approach, a simple and robust method is proposed to adaptively estimate…
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Keywords:
noise estimation;
ofdm systems;
subspace;
noise ... See more keywords
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Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3064998
Abstract: Modeling of the underlying noise in a hyperspectral image reveals important information about the characteristics of the hyperspectral sensor and the image itself. While the focus in the literature has mostly been on the estimation…
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Keywords:
noise estimation;
noise;
pixel noise;
pixel ... See more keywords
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Published in 2022 at "IEEE transactions on cybernetics"
DOI: 10.1109/tcyb.2022.3217897
Abstract: Since a noisy image has inferior characteristics, the direct use of Fuzzy C-Means (FCM) to segment it often produces poor image segmentation results. Intuitively, using its ideal value (noise-free image) benefits FCM's robustness enhancement. Therefore,…
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Keywords:
noise estimation;
noise;
image segmentation;
image ... See more keywords
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Published in 2018 at "Mathematical Problems in Engineering"
DOI: 10.1155/2018/1259703
Abstract: SGK (sequential generalization of -means) dictionary learning denoising algorithm has the characteristics of fast denoising speed and excellent denoising performance. However, the noise standard deviation must be known in advance when using SGK algorithm to…
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Keywords:
noise estimation;
sgk algorithm;
dictionary learning;
denoising algorithm ... See more keywords
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Published in 2019 at "International Journal on Electrical Engineering and Informatics"
DOI: 10.15676/ijeei.2019.11.3.5
Abstract: Nowadays, transmission in the form of color digital images is becoming a major method of communication. However, color digital images are often degraded by noise generated by sensors and during transmission channels. The aim of…
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Keywords:
color;
image;
noise estimation;
noise reduction ... See more keywords