نتایج جستجو برای: روش ica

تعداد نتایج: 378202  

Journal: :Miscellanea Hadriatica et Mediterranea 2017

Afsane Bijari Amir-Reza Abtahi

In this paper, a hybrid meta-heuristic algorithm, based on imperialistic competition algorithm (ICA), harmony search (HS), and simulated annealing (SA) is presented. The body of the proposed hybrid algorithm is based on ICA. The proposed hybrid algorithm inherits the advantages of the process of harmony creation in HS algorithm to improve the exploitation phase of the ICA algorithm. In addition...

2006
Jiajin Lei Tim Lay Chris Weiland Chao Lu

ICA decomposes a set of features into a basis whose components are statistically independent. It minimizes the statistical dependence between basis functions and searches for a linear transformation to express a set of features as a linear combination of statistically independent basis functions. Though ICA has found its application in face recognition, mostly spatial ICA was employed. Recently...

Journal: :Journal of Control, Automation and Electrical Systems 2021

Abstract The detection of sensor faults has proven to be easier through data-driven methods which rely on historical data collected from sensors that are placed at various locations in a process plant. Since the distribution industrial variables is random and non-Gaussian, independent component analysis (ICA) method been better suited for fault (FD) problems. Whenever comes with any level noise...

2018
Zikuan Chen Vince Calhoun

Spatial smoothing is a widely used preprocessing step in functional magnetic resonance imaging (fMRI) data analysis. In this work, we report on the spatial smoothing effect on task-evoked fMRI brain functional mapping and functional connectivity. Initially, we decomposed the task fMRI data into a collection of components or networks by independent component analysis (ICA). The designed task par...

In this research, an integrated approach is presented to simultaneously solve quay crane scheduling and yard truck scheduling problems. A mathematical model was proposed considering the main real-world assumptions such as quay crane non-crossing, precedence constraints and variable berthing times for vessels with the aim of minimizing vessels completion time. Based on the numerical results, thi...

Journal: :Information Systems Research 2023

Reports indicate that employees are willing to share sensitive information under certain circumstances, and one-third half of security breaches tied insiders. These statistics reveal organizational efforts, which most often rely on deterrence-based sanctions address the insider threats security, insufficient. Thus, insiders’ computer abuse (ICA)—unauthorized deliberate misuse resources by insid...

Journal: :Cancer research 1990
A Reiner B Neumeister J Spona G Reiner M Schemper R Jakesz

An immunocytochemical assay (ICA) for the measurement of estrogen receptor (ER) and progesterone receptor (PgR) has been evaluated in 426 human primary breast carcinomas. For estrogen receptor determination ER ICA was used. PgR ICA was performed using the monoclonal antibody KD 68. Assay results for progesterone receptor immunocytochemistry were in agreement (P less than 0.0001) with those of b...

Journal: :Borneo Journal of Medical Sciences 2023

Binasal hemianopia is rare. It more commonly associated with ocular diseases than intracranial pathologies. Nevertheless, the proximity of internal carotid arteries (ICA) to visual pathway may cause a variety neurologic effects which lead loss. Although loss uncommon, ICA aneurysm compress optic nerve causing field defect and reduced acuity. We report 66-year-old male presented asymptomatic bin...

2016
GUANGMING CHEN CHAOPENG WANG JIEFANG WANG SUJUAN YIN HAN GAO LU XIANG HENGRUI LIU YINQUAN XIONG PANPAN WANG XIAOFENG ZHU LI YANG RONGHUA ZHANG

Icariin (ICA), the main active flavonoid glucoside isolated from Herba Epimedii, has been shown to prevent postmenopausal bone loss in vitro. However, the mechanisms by which ICA prevents bone loss in vivo remain poorly understood. In the present study, the effect of ICA in an ovariectomized (OVX) rat model of osteoporosis was evaluated. Sprague-Dawley rats were divided into sham-operated and O...

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