Volume 3 Issue 2

Published: 2006-12-04

Contents


Research Paper
Comparison of Edge Detection Methods in Gray Images

Sobhi H. Hamdoun, Afzal A. Hassan

The methods of edge detection play an important role in many image processing applications as edge detection is regarded as an important stage in image processing and the extraction of certain...

DOI: 10.33899/csmj.2006.164056

Pages: 11-28
A Hyperbolic Rational Model for Unconstrained Non-Linear Optimization

Nidhal H. Al-Assady, Basim A. Hassan

We consider a class of invariant Hyperbolic scaling of a strictly convex quadratic function, to extend the family of the conjugate gradient methods for solving unconstrained minimization problems....

DOI: 10.33899/csmj.2006.164047

Pages: 11-22
Techniques of Finding Lower Bounds in Multi Objective Functions

Ayad M. Ramadhan, Adil K. Jabbar

In this paper, the problm of sequencing n jobs on one machine is considered with a multi objective function.Two problems have been studied, sum of completion times added with the maximum tardiness...

DOI: 10.33899/csmj.2006.164048

Pages: 23-29
Stability Analysis of Fisher Equation Using Numerical Galerkin Techniques

Saad A. Manna, Ahmed F. Qassem

We studied the stability of the steady state solutions for Fisher Equation in two cases, the First one with constant amplitude and we show that the steady state solution is always stable under any...

DOI: 10.33899/csmj.2006.164057

Pages: 29-42
EPS & EPUS Step-size Control for Linear Multistep Method

Abbas Y. Al-Bayati, Ann J. Al-Sawoor, Abbas H. Taqi

In this paper we consider step-size control in one class of Adams linear multi-step methods for Ordinary differential equation. Theoretical results are presented for Adam-Bashforth-Moulton formula...

DOI: 10.33899/csmj.2006.164049

Pages: 31-39
A Crank-Nicolson Method of Autocatalytic Reaction-Diffusion Systems

Abbas Y. Al-Bayati, Saad A. Manaa, Abdulghafor M. Al-Rozbayani

In this paper we used two numerical methods to investigate propagating heat solutions of PDEs. The explicit and Crank-Nicolson methods and the results show that Crank-Nicolson method is more...

DOI: 10.33899/csmj.2006.164050

Pages: 41-52
Encryption Binary Images by Using Template Matching

Sundus Khaleel Ebraheem

Text encryption is a very important field in application of data transformation through the digital networks, and the Internet, so it is very necessary to do encryption operation on the text data...

DOI: 10.33899/csmj.2006.164058

Pages: 43-69
On Rings Whose Principal Ideals are Pure

Shaimaa Hatem Ahmad

In this work, we study rings whose every principal ideal is a right pure. We give some properties of right PIP rings and the connection between such rings and division rings.

DOI: 10.33899/csmj.2006.164051

Pages: 53-57
A Generalization of A Contra Pre Semi-Open Maps

Abdullah M. Abdul-Jabbar

The concept of q-semi-open sets in topological spaces was introduced in 1984 and 1986 by T. Noiri [9, 10]. In this paper we introduce and study a generalization of a contra pre semi-open maps due...

DOI: 10.33899/csmj.2006.164052

Pages: 59-68
Parallel Newtonian Optimization without Hessian Approximation

Khalil K. Abbo

The purpose of this paper is to introduce parallel algorithms based on the Newton method for solving non-linear unconstrained optimization problem in (MIMD) parallel computers by solving linear...

DOI: 10.33899/csmj.2006.164053

Pages: 69-82
Numerical Solution of the Problem of Heat Transfer by Convection

Ahmed M. Juma’a, Ashraf S. Aboudi

In this paper we have presated a heat transfer by convection in rectangular cavity filled with static fluid. Differentially heated end vertical walls. Two-dimensional motions are assumed. The...

DOI: 10.33899/csmj.2006.164059

Pages: 71-88
On the Generalized Curvature

Tahir H. Ismail, Ibrahim O. Hamad

By using methods of nonstandard analysis given by Robinson, A., and axiomatized by Nelson, E., we try in this paper to establish the generalized curvature of a plane curve at regular points and at...

DOI: 10.33899/csmj.2006.164070

Pages: 83-98
Compression of Satellites Images Using Embedded Zero Tree Wavelet

Ahmed Kh. Al-Selifani, Faten A. Mustafa

The compression technique is an optimal solution for decreasing the amount of information sents out from satellites to earth station with rate transmission. In this paper, a study for the...

DOI: 10.33899/csmj.2006.164060

Pages: 89-102
Image Compression Technique Using a Hierarchical Neural Network

Rafid A. Khalil, Mohammed C. Younis

This paper present a Resilient Backpropagation (RBP) algorithm based on hierarchical neural network for image compression. The proposed technique includes steps to break down large images into...

DOI: 10.33899/csmj.2006.164055

Pages: 99-112
Weiner Polynomials for Generalization of Distance for Some Special Graphs

Ahmed M. Ali, Ali Aziz Ali

The minimum distance of a vertex v to an set of vertices of a graph G is defined as : . The n-Wiener polynomial for this distance of a graph G is defined as , where is the number of order pairs...

DOI: 10.33899/csmj.2006.164061

Pages: 103-120
Using ANN and Decision Tree in Diagnoses Mouth Dseaise

Ghada Mohammad Tahir Qasim, Adebaa esmaeel al_ sakal

The research includes construction of hybrid system from decision tree and artificial neural networks in order to classify the special treatment for some dental diseases .The work is achieved in...

DOI: 10.33899/csmj.2006.164062

Pages: 121-143