نتایج جستجو برای: fuzzy neighborhood system

تعداد نتایج: 2313813  

Journal: :Mathematics 2022

Due to the increasing complexity of entire satellite system and deteriorating orbital environment, multiple independent single faults may occur simultaneously in power system. However, two stumbling blocks hinder effective diagnosis simultaneous-fault, namely, difficulty obtaining simultaneous-fault data extremely complicated mapping modes sensor data. To tackle challenges, a fault strategy bas...

Journal: :Pattern Recognition 2012
Sankar K. Pal Saroj K. Meher Soumitra Dutta

A new rough-fuzzy model for pattern classification based on granular computing is described in the present article. In this model, we propose the formulation of class-dependent granules in fuzzy environment. Fuzzy membership functions are used to represent the feature-wise belonging to different classes, thereby producing fuzzy granulation of the feature space. The fuzzy granules thus generated...

Journal: :International Journal of Pure and Apllied Mathematics 2015

Journal: :International Journal of Mathematics and Mathematical Sciences 1995

Journal: :International Journal of Mathematics and Mathematical Sciences 2005

1999
N. Ahmed S. M. Yamany T. Moriarty

In this paper, we present a novel algorithm for adap-tive fuzzy segmentation of MRI data and estimation of intensity inhomogeneities using fuzzy logic. MRI intensity inhomogeneities can be attributed to imperfections in the RF coils or some problems associated with the acquisition sequences. The result is a slowly-varying shading artifact over the image that can produce errors with conventional...

1997
Rafael Wiemker

Pixel-wise spectral classiication is a widely used technique to produce thematic maps from remotely sensed multispectral imagery. It is commonly based on purely spectral features. In our approach we additionally consider additional spatial features in the form of local context information. After all, spatial context is the deening property of an image. Markov random eld modeling provides the as...

1999
Mohamed N. Ahmed Sameh M. Yamany Aly A. Farag Thomas Moriarty

In this paper, we present a novel algorithm for adaptive fuzzy segmentation of MRI data and estimation of intensity inhomogeneities using fuzzy logic. MRI intensity inhomogeneities can be attributed to imperfections in the RF coils or some problems associated with the acquisition sequences. The result is a slowly-varying shading artifact over the image that can produce errors with conventional ...

Journal: :نظریه تقریب و کاربرد های آن 0
m. mosleh department of mathematics, islamic azad university, firuozkooh branch, firuozkooh, iran. s. abbasbandy department of mathematics, science and research branch, islamic azad university, tehran 14515/775, iran. m. otadi department of mathematics, islamic azad university, firuozkooh branch, firuozkooh, iran.

in this paper, a numerical method for nding minimal solution of a mn fullyfuzzy linear system of the form ax = b based on pseudo inverse calculation,is given when the central matrix of coecients is row full rank or column fullrank, and where a~ is a non-negative fuzzy mn matrix, the unknown vectorx is a vector consisting of n non-negative fuzzy numbers and the constant b isa vector consisti...

2004
Yun-tao Qian Rong-chun Zhao

A new method to clustering analysis, which is based on integration of graph theoretical method and fuzzy objective fimction algorithm, is developed. The connectivity mritriv derived from fuzzy limited neighborhood graph and the measurement for similarity and dissimilarity a re utilized to build a new fuzzy objective function that iinifles global data distribution and local spatial information. ...

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