Volume 7, Issue 1 (2011) | Journal of Computer Science

Robust Image Watermarking Using Discrete Wavelet Transform

Dhandapani Samiappan — 2010-12-16

Journal of Computer Science, Published online: 16 December 2010; doi:10.3844/jcssp.2011.1.5

Problem statement: Digital Watermarking have gained popularity in recent years as a means of protecting multimedia data from illegal copying and unlawful reproduction. It is mainly used for copyrigh...

An Automatic Collocation Extraction from Arabic Corpus

Abdulgabbar Mohammad Saif — 2010-12-16

Journal of Computer Science, Published online: 16 December 2010; doi:10.3844/jcssp.2011.6.11

Problem statement: The identification of collocations is very important part in natural language processing applications that require some degree of semantic interpretation such as, machine translat...

Pattern Based Communication System and Its Performance Characteristics Compared to the Matched Filtering

Ozgur Orcay — 2010-12-16

Journal of Computer Science, Published online: 16 December 2010; doi:10.3844/jcssp.2011.12.16

Problem Statement: Pattern Based Communication System (PBCS) aims to handle two prominent restrictions in communication lines. These are the inefficient utilization of the bandwidth under the spectr...

Strength Pareto Evolutionary Algorithm based Multi-Objective Optimization for Shortest Path Routing Problem in Computer Networks

Subbaraj Potti — 2010-12-16

Journal of Computer Science, Published online: 16 December 2010; doi:10.3844/jcssp.2011.17.26

Problem statement: A new multi-objective approach, Strength Pareto Evolutionary Algorithm (SPEA), is presented in this paper to solve the shortest path routing problem. The routing problem is formul...

Design and Implementation of Medical Information Systems For Managing and Following up Work Flaw in Hospitals and Clinics

Hassan Mohammed M. Elmetwaly — 2010-12-16

Journal of Computer Science, Published online: 16 December 2010; doi:10.3844/jcssp.2011.27.31

Problem statement: This research study deals with the problem of maintaining data, deemed to be one of the biggest problems of health entities. Most hospitals and clinic suffer loss of data saved in...

Improving the Performance of the Peer to Peer Network by Introducing an Assortment of Methods

M. Sadish Sendil — 2010-12-16

Journal of Computer Science, Published online: 16 December 2010; doi:10.3844/jcssp.2011.32.38

Problem Statement: Peer to Peer (P2P) systems have grown dramatically in recent years. The most popular type of P2P systems are file sharing networks, which are used to share various types of conten...

Statistical Bayesian Learning for Automatic Arabic Text Categorization

Bassam Al-Salemi — 2010-12-27

Journal of Computer Science, Published online: 27 December 2010; doi:10.3844/jcssp.2011.39.45

Problem statement: The rapid increasing of online Arabic documents necessitated applying Text Categorization techniques that are commonly used for English language to categorize them automatically. Th...

Reliable and Efficient Broadcasting in Asymmetric Mobile Ad Hoc Networks Using Minimized Forward Node List Algorithm

Marimuthu Murugesan — 2010-12-27

Journal of Computer Science, Published online: 27 December 2010; doi:10.3844/jcssp.2011.46.51

Problem statement: Network wide broadcasting is a fundamental operation in ad hoc networks. In broadcasting, a source node sends a message to all the other nodes in the network. Unlike in a wired ne...

Fish Classification Based on Robust Features Extraction From Color Signature Using Back-Propagation Classifier

Mutasem Khalil Alsmadi — 2010-12-27

Journal of Computer Science, Published online: 27 December 2010; doi:10.3844/jcssp.2011.52.58

Problem statement: Image recognition was a challenging problem researchers had been research into this area for so long especially in the recent years, due to distortion, noise, segmentation errors,...

Dynamic Bayesian Networks in Classification-and-Ranking Architecture of Response Generation

Aida Mustapha — 2010-12-27

Journal of Computer Science, Published online: 27 December 2010; doi:10.3844/jcssp.2011.59.64

Problem statement: The first component in classification-and-ranking architecture is a Bayesian classifier that classifies user utterances into response classes based on their semantic and pragmatic...

High Pitch Delay Resolution Technique for Tonal Language Speech Coding Based on Multi-Pulse Based Code Excited Linear Prediction Algorithm

Suphattharachai Chomphan — 2011-01-14

Journal of Computer Science, Published online: 14 January 2011; doi:10.3844/jcssp.2011.65.69

Problem statement: In spontaneous speech communication, speech coding is an important process that should be taken into account, since the quality of coded speech depends on the efficiency of the spee...

An Improved Genetic Algorithm for the Traveling Salesman Problem with Multi-Relations

Supat Patvichaichod — 2011-01-14

Journal of Computer Science, Published online: 14 January 2011; doi:10.3844/jcssp.2011.70.74

Problem statement: The aim of this research is to investigate the Traveling Salesman Problems with Multi-Relations (TSPMR) in which each of the vertices has several edges and different weights. The st...

Thai Speech Coding Based On Conjugate-Structure Algebraic Code Excited Linear Prediction Algorithm

Suphattharachai Chomphan — 2011-01-14

Journal of Computer Science, Published online: 14 January 2011; doi:10.3844/jcssp.2011.75.79

Problem statement: In mobile communication, speech coding aims at compressing the speech with lowest bitrate and highest quality for standard languages such as English, German and French. As for other...

Interference Mitigation in IEEE 802.15.4-A Cluster Based Scheduling Approach

G. M. Tamilselvan — 2011-01-15

Journal of Computer Science, Published online: 15 January 2011; doi:10.3844/jcssp.2011.80.89

Problem statement: In universal networking environments; two or more heterogeneous communication systems coexisting in a single place. Especially, Wireless Local Area Networks (WLANs) based on IEEE ...

A Fast Handover Scheme for Multicasting in IPv6 based Mobile Ad hoc Networks

H. Parveen Sultana — 2010-12-16

Journal of Computer Science, Published online: 16 December 2010; doi:10.3844/jcssp.2011.90.94

Problem statement: In the previous researches, steps were taken to resolve the problems of multicasting, after several discussions. Actually these issues were raised, while multicasting packets from ...

Fault Detection and Classification in Power Electronic Circuits Using Wavelet Transform and Neural Network

Venugopal Prasannamoorthy — 2011-01-15

Journal of Computer Science, Published online: 15 January 2011; doi:10.3844/jcssp.2011.95.100

Problem statement: The identification of faults in any analog circuit is highly required to ensure the reliability of the circuit. Early detection of faults in a circuit can greatly assist in mainte...

Proactive and Reactive View Change for Fault Tolerant Byzantine Agreement

Poonam Saini — 2011-01-15

Journal of Computer Science, Published online: 15 January 2011; doi:10.3844/jcssp.2011.101.107

Problem statement: Dealing with arbitrary failures effectively, while reaching agreement, remains a major operational challenge in distributed transactions. In the contemporary literature, standard ...

A Novel Routing Protocol with High Energy Performance in Mobile Special Networks

Ali Norouzi — 2011-01-15

Journal of Computer Science, Published online: 15 January 2011; doi:10.3844/jcssp.2011.108.113

Problem statement: Mobile Special Networks do not have a predetermined structure. This type of networks can dynamically reorganize network connection relationships due to change of neighborhoods and...

Mobile Element Scheduling for Efficient Data Collection in Wireless Sensor Networks: A Survey

K. Indra Gandhi — 2011-01-15

Journal of Computer Science, Published online: 15 January 2011; doi:10.3844/jcssp.2011.114.119

Problem statement: Wireless Sensor Networks (WSN) has become a very interesting field of research and has been deployed for various applications. The data sensed by the sensors need to be transmitte...

English to Arabic Machine Translation Based on Reordring Algorithm

Ehsan Abdulraheem Mohammed — 2011-01-12

Journal of Computer Science, Published online: 12 January 2011; doi:10.3844/jcssp.2011.120.128

Problem Statement: The purpose of Machine Translation (MT) is set accurate translation by implement a system to achieve similar result with human translates as in case the translating English to Arabi...