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

An Efficient Unified K-Means Clustering Technique for Microarray Gene Expression Data

P. Valarmathie — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.954.957

Problem statement: Using microarray techniques one could monitor the expressions levels of thousands of genes simultaneously. One challenge was how to derive meaningful insights into expressed data. T...

Content Based Image Retrieval using Novel Gaussian Fuzzy Feed Forward-Neural Network

C. Ramesh Babu Durai — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.958.961

Problem statement: With extensive digitization of images, diagrams and paintings, traditional keyword based search has been found to be inefficient for retrieval of the required data. Content-Based Im...

An Efficient Weather Forecasting System using Radial Basis Function Neural Network

Tiruvenkadam Santhanam — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.962.966

Problem statement: Accurate weather forecasting plays a vital role for planning day to day activities. Neural network has been use in numerous meteorological applications including weather forecasti...

Evaluation of Artificial Immune System with Artificial Neural Network for Predicting Bombay Stock Exchange Trends

M. Gunasekaran — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.967.972

Problem statement: The purpose of this study is to develop an artificial immune system for recognizing stock market trends and predict upward and downward directions of stock market. This study compar...

Impact of Sybil and Wormhole Attacks in Location Based Geographic Multicast Routing Protocol for Wireless Sensor Networks

Shyamala Ramachandran — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.973.979

Problem statement: Wireless sensor networks have been used in many applications, such as home automation, military surveillances and entity tracking systems. The sensor nodes have low computational ca...

Real-Time Volume Shadow using Visible-Non Visible Algorithm

Hoshang Kolivand — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.980.985

Problem statement: Shadows are most important effect to make realistic games and visually appealing images, but they are poor in frame per second. Silhouette detection is most important phases to crea...

A Rough Set based Gene Expression Clustering Algorithm

J. Jeba Emilyn — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.986.990

Problem statement: Microarray technology helps in monitoring the expression levels of thousands of genes across collections of related samples. Approach: The main goal in the analysis of large and het...

A Novel Linear-Polynomial Kernel to Construct Support Vector Machines for Speech Recognition

Balwant A. Sonkamble — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.991.996

Problem statement: To accept the inputs as spoken word utterances uttered by various speakers, recognize the corresponding spoken words and initiate action pertaining to that word. Approach: A novel L...

Secure Group Key Management for Dynamic Sensor Networks

N. Suganthi — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.997.1002

Problem statement: Key management is an important cryptographic technique for providing security in a dynamic environment of sensor networks. To provide a secure communication among a group of sensor ...

Difficulties of Standard Arabic Phonemes Spoken by Non-Arab Primary School Children based on Formant Frequencies

N. A. Abdul-Kadir — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.1003.1010

Problem statement: The study of Malaysian Arabic phoneme is rarely found which make the references work difficult. Specific guideline on Malaysian subject is not found even though a lot of acoustic an...

Performance Analysis of Congestion Reduction Routing in Wireless Sensor Networks

T. V.P. Sundararajan — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.1011.1019

Problem statement: Data generated in wireless sensor networks may not all be alike: some data may be more important than others and hence may have different delivery requirements, To solve this proble...

Adaptive Neuro-Fuzzy Inference System Approach for the Automatic Screening of Diabetic Retinopathy in Fundus Images

S. Kavitha — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.1020.1026

Problem statement: Diabetic retinopathy is one of the most significant factors contributing to blindness and so early diagnosis and timely treatment is particularly important to prevent visual loss. ...

Comparing and Choosing Appropriate Database for Storing Context in Context Aware System

B. Vanathi — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.1027.1032

Problem statement: The databases introduce the digital era the fact that requirement to maintain large and ample data. The growth of information development and improvement that pursued it transformed...

An Improved Clustering Based Genetic Algorithm for Solving Complex NP Problems

R. Sivaraj — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.1033.1037

Problem statement: The selection process is a major factor in genetic algorithm which determines the optimality of solution for a complex problem. The selection pressure is the critical step which fin...

Integrating Buffer Management with Epidemic Routing in Delay Tolerant Networks

G. Fathima — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.1038.1045

Problem statement: The Design of Delay Tolerant Network (DTN) routing protocols has focused to operate in an environment where there is no guarantee of end to end path between source and destination a...

Myocardial Motion Analysis of Echocardiography Images using Optical Flow Radial Direction Distribution

Slamet Riyadi — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.1046.1051

Problem statement: Myocardial motion is important information for physicians in diagnosing cardiac abnormalities. The motion vector of myocardial can be computed using optical flow technique, which th...

Multilingual Database Management System: A Performance Evaluation

Nurul Husna Mohd Saad — 2011-06-28

Journal of Computer Science, Published online: 28 June 2011; doi:10.3844/jcssp.2011.1052.1059

Problem statement: The use of English as well as Arabic language is increasingly evident in the aspects of international business and finance. Therefore, this study explored the management of multilin...

Open Source Programmers' Information Seeking During Software Maintenance

Khaironi Yatim Sharif — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1060.1071

Problem statement: Several authors have proposed information seeking as an appropriate case study for studying software maintenance and evolution that have provided empirical classifications of info...

Design and Analysis of Adders using Nanotechnology Based Quantum dot Cellular Automata

S. Karthigai Lakshmi — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1072.1079

Problem statement: The area and complexity are the major issues in circuit design. Here, we propose different types of adder designs based on Quantum dot Cellular Automata (QCA) that reduces number of...

Feature Discretization for Individuality Representation in Twins Handwritten Identification

Bayan Omar Mohammed — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1080.1087

Problem statement: The study on twins is an important form of study in the forensic and biometrics field as twins share similar genetic traits. Handwriting is one of the common types of forensic evide...

A Comparative Analysis of the Entropy and Transition Point Approach in Representing Index Terms of Literary Text

Hayati Abd Rahman — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1088.1093

Problem statement: Concept hierarchy is a hierarchically organized collection of domain concepts. It is particularly useful in many applications such as information retrieval, document browsing and do...

Towards an Integrated Intrusion Detection Monitoring in High Speed Networks

Hassen Sallay — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1094.1104

Problem statement: Security Management has become a critical aspect for large scale distributed systems. Particularly, recent Distributed Intrusion Detection Systems (DIDS) schemes in High Speed Netwo...

Performance of MMSE Receiver based Multi Input Multi Output-Interleave Division Multiple-Access System with Multi-user Detection over Frequency Selective Wireless Communication Channel

Kuttathatti Srinivasan Vishvaksenan — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1105.1112

Problem statement: This study presents the performance analysis of turbo assisted Interleave Division Multiple-Access (IDMA) system with Multi Input Multi Output (MIMO) support for multi user scenario...

Viscous Dissipation Effect on Steady free Convection and Mass Transfer Flow past a Semi-Infinite Flat Plate

Palanisamy Geetha — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1113.1118

Problem statement: A steady two-dimensional free convection and mass transfer flow past a continuously moving semi-infinite flat plate is studied theoretically, by taking into account the viscous diss...

Fuzzy Logic Controller for Wireless Video Transmission

K. P. Rajesh — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1119.1127

Problem statement: As the Variable Bit Rate (VBR) is high in MPEG, the video experienced long delay and unexpected data loss. In wireless channel, due to noise and interference of other signals transm...

Iterative Process to Improve Simple Adaptive Subdivision Surfaces Method for Triangular Meshes

Noor Asma Husain — 2011-06-30

Journal of Computer Science, Published online: 30 June 2011; doi:10.3844/jcssp.2011.1128.1132

Problem statement: Subdivision surfaces were applied to the entire meshes in order to produce smooth surfaces refinement from coarse mesh. Several schemes had been introduced in this area to provide...