Volume 7, Issue 4 (2011) | Journal of Computer Science

PAPR Reduction Using BPSO/PTS and STBC in MIMO OFDM System

Karima El Mouhib — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.454.458

Problem statement: The Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) system has been receiving a great attention, as one of solutions for achieving high spe...

A New Speaker Recognition System with Combined Feature Extraction Techniques

M. G. Sumithra — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.459.465

Problem statement: This study introduces a new method for speaker verification system by fusing two different feature extraction methods to improve the recognition accuracy and security. Approach: T...

Stress Prediction in the Dynamic Compression Plate with Changing the Configuration of the Screw Fixation

Boonthum Wongchai — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.466.470

Problem statement: Human femur fracture is one of the most frequent type of bone fractures. One of the widely used methods in an internal fixation is an application of the Dynamic Compression Plate ...

Comparative Power Analysis of Precomputation Based Content Addressable Memory

M. Arun — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.471.474

Problem statement: In this study we discus about Signature Detection Technique (SDT) used in Network Intrusion Detection System (NIDS). Design of SDT using Content Addressable Memory (CAM) is discus...

A New Approach for 3D Range Image Segmentation using Gradient Method

Dina A. Hafiz — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.475.487

Problem statement: Segmentation of 3D range images is widely used in computer vision as an essential pre-processing step before the methods of high-level vision can be applied. Segmentation aims to ...

A Secure Mobile Agent System against Tailgating Attacks

P. Marikkannu — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.488.492

Problem statement: A lot of real time applications have extended their hands towards Mobile Agents to accomplish various tasks, due to its flexibility in its functionalities. Since Mobile Agent Syst...

Performance Analysis of Resource Selection Algorithms in Grid Computing Environment

Malarvizhi Nandagopal — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.493.498

Problem statement: Meta- scheduling has become important due to increased number of jobs and resources in the area of grid computing to achieve the objectives of grid users and grid resources. Appro...

Object Exploration Using a Three-Axis Tactile Sensing Information

S. C. Abdullah — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.499.504

Problem statement: To advance the robust object recognition of robots, we present an algorithm for object exploration based on three-axis tactile data that is necessary and sufficient for the evalua...

An Improved Location aided Cluster Based Routing Protocol with Intrusion Detection System in Mobile Ad Hoc Networks

S. Mangai — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.505.511

Problem statement: Routing and security are the main challenges for ad hoc networks due to dynamic topology as well as resource constraints. A designed protocol must provide scalable routing with be...

Multilevel Classifier in Recognition of Handwritten Arabic Characters

Rawan Ismail Zaghloul — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.512.518

Problem statement: Arabic offline handwriting recognition is considered one of the most challenging topics. This is probably caused by the fact that Arabic recognition system faced many problems dur...

A Descriptive Framework for the Multidimensional Medical Data Mining and Representation

Veeramalai Sankaradass — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.519.525

Problem statement: Association rule mining with fuzzy logic was explored by research for effective datamining and classification. Approach: It was used to find all the rules existing in the transact...

Efficiency Analysis for Public Key Systems Based on Fractal Functions

Nadia M.G. AL-Saidi — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.526.532

Problem statement: In the last decade, dynamical systems were utilized to develop cryptosystems, which ushered the era of continuous value cryptography that transformed the practical region from fin...

Meta Heuristic Algorithms for Vehicle Routing Problem with Stochastic Demands

Geetha Shanmugam — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.533.542

Problem statement: The shipment of goods from manufacturer to the consumer is a focal point of distribution logistics. In reality, the demand of consumers is not known a priori. This kind of distrib...

RETRACTED: A Novel Fractal Approach for Persian/Arabic Identification based on Handwriting Recognition

Seyyed M.R. Farshchi — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.543.547

Publication of this article is cancelled due to plagiarism. To visit the original article click this link. 10.1109/ICPR.2010.924

Context Disambiguation Based Semantic Web Search for Effective Information Retrieval

M. Barathi — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.548.553

Problem statement: Search queries are short and ambiguous and are insufficient for specifying precise user needs. To overcome this problem, some search engines suggest terms that are semantically re...

Analytical Modeling of IEEE 802.11e Enhanced Distributed Channel Access under a Non-Saturation Condition

G. Prakash — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.554.560

Problem statement: The IEEE 802.11e EDCA protocol with different access Categories (ACs) supporting for Quality-of-Service (QoS). Due to internal or external packet collision, the Contention Window ...

Topology Control Using Efficient Power Management

S. Karunakaran — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.561.567

Problem statement: Effective Topology control will improve the performance and the capacity of Mobile Ad-hoc networks by building reliable network structure. Approach: Power level is used as the bas...

Effects of Noises on the Analysis of Fundamental Frequency Contours for Thai Speech

Suphattharachai Chomphan — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.568.572

Problem statement: In speech communication, noises from surrounding environments affect the communication quality with various aspects. The received speech quality should be analyzed to see how the ...

An Ontology Based Approach to Implement the Online Recommendation System

Vijayakumar Mohanraj — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.573.581

Problem statement: Every web user has different intent when accessing the information on website. The primary goal of recommendation system is to anticipate the user intent and recommend the web pag...

A Novel Performance Metric for Building an Optimized Classifier

Mohammad Hossin — 2011-04-04

Journal of Computer Science, Published online: 4 April 2011; doi:10.3844/jcssp.2011.582.590

Problem statement: Typically, the accuracy metric is often applied for optimizing the heuristic or stochastic classification models. However, the use of accuracy metric might lead the searching proc...