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检索条件"机构=Program of Informatics Engineering"
1796 条 记 录,以下是1761-1770 订阅
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An edge detection method using 2-D autoregressive lattice prediction filters for remotely sensed images
An edge detection method using 2-D autoregressive lattice pr...
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IEEE International Symposium on Geoscience and Remote Sensing (IGARSS)
作者: R. Gurcan I. Erer S. Kent Informatics Institute Advanced Technologies in Engineering Satellite Communication and Remote Sensing Program Istanbul Technical University Maslak Istanbul Turkey Istanbul Technical University Maslak Istanbul Turkey
Edges characterize boundaries and are therefore a problem of fundamental importance in image processing. Edge detecting an image significantly reduces the amount of data and filters out useless information, while pres... 详细信息
来源: 评论
2-D orthogonal lattice filter based image segmentation
2-D orthogonal lattice filter based image segmentation
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IEEE International Symposium on Geoscience and Remote Sensing (IGARSS)
作者: S.Z. Aykut R. Gurcan I. Erer Istanbul Technical University Maslak Istanbul Turkey Informatics Institute Advanced Technologies in Engineering Satellite Communications and Remote Sensing Program Istanbul Technical University Maslak Istanbul Turkey
The purpose of image segmentation is to partition an image into homogeneous regions. Features are of major importance in image segmentation. In this work, a new method is proposed in which features used for segmentati... 详细信息
来源: 评论
Weighted Eigenvalue Problem Approach To The Critical Value Determination Of Screened Coulomb Potential Systems
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Applied Numerical Analysis & Computational Mathematics 2004年 第1期1卷
作者: Metin Demiralp Computational Science and Engineering Program Informatics Institute İstanbul Technical University Maslak 80626 İstanbul Turkey
In this work, the radial time-independent Schrödinger equation of a screened Coulomb potential system at the zero energy limit is first converted to a weighted eigenvalue problem of an ordinary differential opera... 详细信息
来源: 评论
A Parametric Sensitivity Analysis for the Solution of Extrema Evaluation Problems via a Dimensionality Reducing Approximation Method
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Applied Numerical Analysis & Computational Mathematics 2004年 第1期1卷
作者: Tülin Kaman Metin Demiralp Computational Science and Engineering Program Informatics Institute İstanbul Technical University Maslak 34469 İstanbul Turkey Phone: +90 212 285 70 82 Fax: +90 212 285 70 73
This work aims to apply High Dimensional Model Representation (HDMR) to the sensitivity coefficient determination of the solutions of a multivariate extrema problem. The derivations are made for general functional str... 详细信息
来源: 评论
High Dimensional Model Representation Approximation of an Evolution Operator with a First Order Partial Differential Operator Argument
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Applied Numerical Analysis & Computational Mathematics 2004年 第1期1卷
作者: İrem Yaman Metin Demiralp Computational Science and Engineering Program Informatics Institute İstanbul Technical University Maslak 34469 İstanbul Turkey Phone: +90 212 285 70 82 Fax: +90 212 285 70 73
In this work, a novel approximation scheme based on a recently developed representation, called the High Dimensional Model Representation (HDMR), is proposed to approximate evolution operators. The approximation is no... 详细信息
来源: 评论
Optimally Controlled Dynamics of One Dimensional Harmonic Oscillator: Linear Dipole Function and Quadratic Penalty
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Applied Numerical Analysis & Computational Mathematics 2004年 第1期1卷
作者: Burcu Tunga Metin Demiralp Computational Science and Engineering Program Informatics Institute İstanbul Technical University Maslak 34469 İstanbul Turkey Phone: +90 212 285 70 82 Fax: +90 212 285 70 73
This work deals with the optimal control of one dimensional quantum harmonic oscillator under an external field characterized by a linear dipole function. The penalty term is taken as kinetic energy. The objective ope... 详细信息
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A Factorized High Dimensional Model Representation on the Partitioned Random Discrete Data
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Applied Numerical Analysis & Computational Mathematics 2004年 第1期1卷
作者: M. Alper Tunga Metin Demiralp Department of Computer Science and Engineering Engineering Faculty Işįk University Maslak 34398 İstanbul Turkey Computational Science and Engineering Program Informatics Institute İstanbul Technical University Maslak 80626 İstanbul Turkey Phone: +90 212 285 70 82 Fax: +90 212 285 70 73
The main purpose of this work is to obtain the general structure of a product type of multivariate function when the values of the function are given randomly at the nodes of a hyperprism. When the dimensionality of m... 详细信息
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Optimal Control of One Dimensional Quantum Harmonic Oscillator Under an External Field With Quadratic Dipole Function and Penalty on Momentum: Construction of the Linearised Field Amplitude Integral Equation
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Applied Numerical Analysis & Computational Mathematics 2004年 第1期1卷
作者: A. Kurşunlu İrem Yaman Metin Demiralp Computational Science and Engineering Program Informatics Institute İstanbul Technical University Maslak 34469 İstanbul Turkey Phone: +90 212 285 70 77 Fax: +90 212 285 70 73 Phone: +90 212 285 70 82 Fax: +90 212 285 70 73
In this work, the optimal control of an harmonic oscillator is considered. The external field is assumed to be weak and hence is represented by only dipole interaction. The dipole function is taken as a second degree ... 详细信息
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A parallel implementation of Chebyshev preconditioned conjugate gradient method
Bulletin of the Technical University of Istanbul
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Bulletin of the Technical University of Istanbul 2003年 第2期53卷 13-21页
作者: Dag, Hasan Akcadogan, Cagatay Computational Science and Engineering Program Informatics Institute Istanbul Technical University 34469 Maslak Istanbul Turkey
A parallel implementation for linear set of equations of the form Ax = b is presented in this paper. In this implementation, instead of the traditional direct solution of Ax = b, conjugate gradient method is used. The... 详细信息
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A parallel implementation of Chebyshev preconditioned conjugate gradient method
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ARI Bulletin of the Istanbul Technical University 2003年 第2期53卷 13-21页
作者: Dag, Hasan Akcadogan, Cagatay Computational Science and Engineering Program Informatics Institute Istanbul Technical University 34469 Maslak Istanbul Turkey
A parallel implementation for linear set of equations of the form Ax = b is presented in this paper. In this implementation, instead of the traditional direct solution of Ax = b, conjugate gradient method is used. The... 详细信息
来源: 评论