نتایج جستجو برای: mean clustering method

تعداد نتایج: 2188180  

Journal: :ITM Web of Conferences 2017

Journal: :journal of computer and robotics 0
sahifeh poor ramezani kalashami faculty of engineering, department of artificial intelligence, mashhad branch, islamic azad university, mashhad, iran seyyed javad seyyed mahdavi chabok faculty of engineering, department of artificial intelligence, mashhad branch, islamic azad university, mashhad, iran

clustering is one of the known techniques in the field of data mining where data with similar properties is within the set of categories. k-means algorithm is one the simplest clustering algorithms which have disadvantages sensitive to initial values of the clusters and converging to the local optimum. in recent years, several algorithms are provided based on evolutionary algorithms for cluster...

Journal: :International Journal of Computer Applications Technology and Research 2017

Journal: :Journal of the Robotics Society of Japan 2016

Journal: :International Journal of Applied Information Systems 2017

Journal: :Journal of Multivariate Analysis 1972

Journal: :Communications for Statistical Applications and Methods 2002

Journal: :International Journal of Applied Mathematics and Computer Science 2014

Introduction: Automatic arterial input function (AIF) selection has an essential role in quantification of cerebral perfusion parameters. The purpose of this study is to develop an optimal automatic method for AIF determination in dynamic susceptibility contrast magnetic resonance imaging (DSC-MRI) of glioma brain tumors by using a new preprocessing method.Material and Methods: For this study, ...

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