Seismic noise attenuation based on waveform classification
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2019.05.014
Abstract: Abstract Traditionally, a denoising algorithm is usually applied to enhance useful reflection seismic signals, or to increase the quality of the waveforms recorded in the seismic data. The strong noise left in the filtered data… read more here.
Keywords: denoising algorithm; waveform classification; method; noise ... See more keywords
A performance improved ACFM-TMR detection system with tradeoff denoising algorithm
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2021.167756
Abstract: Abstract This paper presents a novel alternating current field measurement (ACFM) system, which is realized by tunneling magnetoresistive (TMR) sensors and a tradeoff (TO) wavelet denoising algorithm. The TMR sensor is characterized with a high… read more here.
Keywords: system; performance improved; improved acfm; denoising algorithm ... See more keywords
Image Denoising Algorithm Based on Entropy and Adaptive Fractional Order Calculus Operator
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Access"
DOI: 10.1109/access.2017.2718558
Abstract: In this paper, a fractional calculus operator for image denoising is constructed based on the characteristic of local entropy and the gradient feature, and an adaptive fractional calculus image denoising algorithm is proposed. First, the… read more here.
Keywords: adaptive fractional; image; calculus; image denoising ... See more keywords
A K Times Singular Value Decomposition Based Image Denoising Algorithm for DoFP Polarization Image Sensors With Gaussian Noise
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2018.2846672
Abstract: In this paper, we present a novel K times singular value decomposition (K-SVD) based denoising algorithm dedicated to the division-of-focal-plane (DoFP) polarization image sensors. The proposed method is based on sparse representation over trained dictionary.… read more here.
Keywords: image; singular value; noise; denoising algorithm ... See more keywords
Image Denoising Algorithm Combined with SGK Dictionary Learning and Principal Component Analysis Noise Estimation
Sign Up to like & getrecommendations! 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… read more here.
Keywords: noise estimation; sgk algorithm; dictionary learning; denoising algorithm ... See more keywords
Doppler Ultrasound under Image Denoising Algorithm in the Diagnosis and Treatment of Fetal Growth Restriction Using Aspirin Combined with Low-Molecular-Weight Heparin
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Healthcare Engineering"
DOI: 10.1155/2021/9697962
Abstract: Objective This study explored the clinical application value of image denoising algorithm combined with Doppler ultrasound imaging in evaluation of aspirin combined with low-molecular-weight heparin (LMWH) on fetal growth restriction (FGR). Method A two-stage image… read more here.
Keywords: doppler ultrasound; treatment; group; denoising algorithm ... See more keywords
MRI Evaluation of Indomethacin Suppositories in the Prevention of Complications of Pancreatitis and Hyperamylasemia after Choledocholithiasis ERCP Based on Image Denoising Algorithm
Sign Up to like & getrecommendations! Published in 2022 at "Computational and Mathematical Methods in Medicine"
DOI: 10.1155/2022/4805185
Abstract: Objective To explore the value of MRI evaluation of indomethacin suppositories in the prevention of pancreatitis and hyperamylasemia in patients with common bile duct calculi after endoscopic retrograde cholangiopancreatography (ERCP) based on image denoising algorithm.… read more here.
Keywords: pancreatitis hyperamylasemia; denoising algorithm; group; mri ... See more keywords
SPUD: simultaneous phase unwrapping and denoising algorithm for phase imaging.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.383600
Abstract: Recent methods for phase unwrapping in the presence of noise include denoising algorithms to filter out noise as a preprocessing stage. However, including a denoising stage increases the overall computational complexity resulting in long execution… read more here.
Keywords: phase; phase unwrapping; unwrapping denoising; denoising algorithm ... See more keywords
Denoising algorithm of OCT images via sparse representation based on noise estimation and global dictionary.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.447668
Abstract: Optical coherence tomography (OCT) is a high-resolution and non-invasive optical imaging technology, which is widely used in many fields. Nevertheless, OCT images are disturbed by speckle noise due to the low-coherent interference properties of light,… read more here.
Keywords: noise; denoising algorithm; sparse representation; global dictionary ... See more keywords
A Novel Denoising Algorithm Based on Superpixel Clustering and Dictionary Learning Approach
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Intelligent Engineering and Systems"
DOI: 10.22266/ijies2018.0228.15
Abstract: Nowadays, the exploitation of images is inevitable in all the domains. However, the major issue being faced by the images is ‘noise’, which seriously affects the image quality. In order to address this issue, this… read more here.
Keywords: novel denoising; based superpixel; algorithm based; denoising algorithm ... See more keywords
Noise Level and Similarity Analysis for Computed Tomographic Thoracic Image with Fast Non-Local Means Denoising Algorithm
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app10217455
Abstract: Although conventional denoising filters have been developed for noise reduction from digital images, these filters simultaneously cause blurring in the images. To address this problem, we proposed the fast non-local means (FNLM) denoising algorithm which… read more here.
Keywords: study; fast non; noise; conventional denoising ... See more keywords