Articles with "fuzzy entropy" as a keyword



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Improving medical image fusion method using fuzzy entropy and nonsubsampling contourlet transform

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Published in 2021 at "International Journal of Imaging Systems and Technology"

DOI: 10.1002/ima.22476

Abstract: Many types of medical images must be fused, as single‐modality medical images can only provide limited information due to the imaging principles and the complexity of human organ structures. In this paper, a multimodal medical… read more here.

Keywords: image; fuzzy entropy; method; fusion ... See more keywords
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Performance evaluation of reanalysis precipitation products in Egypt using fuzzy entropy time series similarity analysis

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Published in 2021 at "International Journal of Climatology"

DOI: 10.1002/joc.7286

Abstract: Selection of suitable gridded precipitation data is deemed for hydroclimatic assessment and climate change impact analysis, especially in regions where long‐term reliable precipitation data is unavailable. A novel approach based on fuzzy entropy similarity analysis… read more here.

Keywords: reanalysis; analysis; performance; fuzzy entropy ... See more keywords
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Hesitant intuitionistic fuzzy entropy/cross-entropy and their applications

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Published in 2018 at "Soft Computing"

DOI: 10.1007/s00500-017-2753-x

Abstract: In this paper, we introduce a new concept of hesitant intuitionistic fuzzy set (HIFS), which refines the dual hesitant fuzzy set and could be viewed as a more flexible tool to describe the uncertain information… read more here.

Keywords: intuitionistic fuzzy; fuzzy entropy; entropy; hesitant intuitionistic ... See more keywords
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Kernel intuitionistic fuzzy entropy clustering for MRI image segmentation

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Published in 2020 at "Soft Computing"

DOI: 10.1007/s00500-019-04169-y

Abstract: Fuzzy entropy clustering (FEC) is a variant of hard c-means clustering which utilizes the concept of entropy. However, the performance of the FEC method is sensitive to the noise and the fuzzy entropy parameter as… read more here.

Keywords: entropy clustering; kernel intuitionistic; intuitionistic fuzzy; fuzzy entropy ... See more keywords
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Refined composite multiscale fuzzy entropy: Localized defect detection of rolling element bearing

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Published in 2019 at "Journal of Mechanical Science and Technology"

DOI: 10.1007/s12206-018-1211-8

Abstract: We proposed an appealing method based on refined composite multiscale fuzzy entropy (RCMFE), infinite feature selection (Inf-FS) algorithm, and support vector machine (SVM) for implementing localized defect detection to keep the downtime and extended damage… read more here.

Keywords: refined composite; fuzzy entropy; entropy; composite multiscale ... See more keywords
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Improvement in classification accuracy and computational speed in bearing fault diagnosis using multiscale fuzzy entropy

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Published in 2020 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"

DOI: 10.1007/s40430-020-02671-1

Abstract: The operation of ball bearings under varying faulty conditions comprises complex time-varying modulations in the acquired vibration signals. In such circumstances, the extraction of nonlinear dynamic parameters based on multiscale fuzzy entropy (MFE) and refined… read more here.

Keywords: fault; classification; fuzzy entropy; diagnosis ... See more keywords

Correlation between the visual evoked potential and subjective perception at different illumination levels based on entropy analysis

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Published in 2021 at "Building and Environment"

DOI: 10.1016/j.buildenv.2021.107715

Abstract: Abstract The indoor light environment significantly affects the subjective feeling and work experience of personnel. The subjective feeling and pattern reversal visual evoked potential (PRVEP) of indoor personnel under different illuminance levels were tested in… read more here.

Keywords: prvep; illumination; fuzzy entropy; subjective feeling ... See more keywords
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Intelligent fault diagnosis of planetary gearbox based on refined composite hierarchical fuzzy entropy and random forest.

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Published in 2020 at "ISA transactions"

DOI: 10.1016/j.isatra.2020.10.028

Abstract: This paper presents a novel signal processing scheme by combining refined composite hierarchical fuzzy entropy (RCHFE) and random forest (RF) for fault diagnosis of planetary gearboxes. In this scheme, we propose a refined composite hierarchical… read more here.

Keywords: fault; fuzzy entropy; hierarchical fuzzy; refined composite ... See more keywords
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Fuzzy entropy complexity and multifractal behavior of statistical physics financial dynamics

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Published in 2018 at "Physica A: Statistical Mechanics and its Applications"

DOI: 10.1016/j.physa.2018.04.086

Abstract: Abstract The present paper introduces a novel stochastic statistical physics financial system by combining exclusion system with compound Poisson process. The financial system is a model concerning with price fluctuations derived from dissemination of trading… read more here.

Keywords: fuzzy entropy; physics financial; physics; entropy complexity ... See more keywords
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Application of fuzzy entropy for the rating of epicyclic gear trains

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Published in 2020 at "Australian Journal of Mechanical Engineering"

DOI: 10.1080/14484846.2018.1465378

Abstract: Abstract A Planetary gear train (PGT) is a system containing a total of three or more gears where a ring gear encircles the entire system. There are three main parts to planetary gear systems, often… read more here.

Keywords: epicyclic gear; planetary gear; gear trains; fuzzy entropy ... See more keywords
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Analyzing the Dynamics of Lung Cancer Imaging Data Using Refined Fuzzy Entropy Methods by Extracting Different Features

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2917303

Abstract: Lung cancer is the major cause of cancer-related deaths worldwide with poor survival due to the poor diagnostic system at the advanced cancer stage. In the past, researchers developed computer-aided diagnosis (CAD) systems, which were… read more here.

Keywords: fuzzy entropy; lung cancer; cancer; entropy ... See more keywords