Volume 7, Issue 11 (2011) | Journal of Computer Science

Identification of Electrooculography Signals Frequency Energy Distribution Using Wavelet Algorithm

W.M. Bukhari — 2011-08-18

Journal of Computer Science, Published online: 18 August 2011; doi:10.3844/jcssp.2011.1619.1625

Problem statement: The time frequency analysis of non-stationary signals has been the considerable research effort in recent years. Wavelet transform is one of the favored tool for the analyzing the...

Text Hiding in Mobile Phone Simple Message Service Using Fonts

Wesam S. Bhaya — 2011-08-18

Journal of Computer Science, Published online: 18 August 2011; doi:10.3844/jcssp.2011.1626.1628

Problem statement: Hiding secret information in an ordinary mobile phone Simple Message Service (SMS). Approach: In mobile phones, there are two default types of fonts, System and Proportional fonts, ...

Braun's Multipliers: Spartan-3AN based Design and Implementation

Muhammad H. Rais — 2011-08-18

Journal of Computer Science, Published online: 18 August 2011; doi:10.3844/jcssp.2011.1629.1632

Problem statement: Multiplication is an essential airthematic operation for common Digital Signal Processing (DSP) applications, such as filtering and Fast Fourier Transform (FFT). To achieve high e...

Reduction of Key Search Space of Vigenere Cipher Using Particle Swarm Optimization

Ganapathi Sivagurunathan — 2011-08-18

Journal of Computer Science, Published online: 18 August 2011; doi:10.3844/jcssp.2011.1633.1638

Problem statement: With the demand for effective network security is increasing, it becomes necessary to find the strength and weaknesses of the existing cryptographic methods. Vigenere cipher, a clas...

An Integrated Framework for Mixed Data Clustering Using Self Organizing Map

Hari Prasad Devaraj — 2011-08-18

Journal of Computer Science, Published online: 18 August 2011; doi:10.3844/jcssp.2011.1639.1645

Problem statement: Clustering plays an important role in data mining of large data and helps in analysis. This develops a vast importance in research field for providing better clustering technique....

Adaptive Channel Equalization Using Multiplicative Neural Network for Rayleigh Faded Channel

P. Sivakumar — 2011-08-18

Journal of Computer Science, Published online: 18 August 2011; doi:10.3844/jcssp.2011.1646.1651

Problem statement: Digital transmission over band-limited communication channel largely suffers from ISIS and various noise sources. The presence of ISI and noise causes bit errors in the received s...

Fuzzy Modeled K-Cluster Quality Mining of Hidden Knowledge for Decision Support

S. Parkash Kumar — 2011-08-24

Journal of Computer Science, Published online: 24 August 2011; doi:10.3844/jcssp.2011.1652.1658

Problem statement: The work presented Fuzzy Modeled K-means Cluster Quality Mining of hidden knowledge for Decision Support. Based on the number of clusters, number of objects in each cluster and its ...

Normalized Relational Storage for Extensible Markup Language (XML) Schema

Kamsuriah Ahmad — 2011-08-24

Journal of Computer Science, Published online: 24 August 2011; doi:10.3844/jcssp.2011.1659.1666

Problem statement: The use of XML as the common formats for representing, exchanging, storing, integrating and accessing data posses many new challenges to database systems. Most of application data a...

Membrane Computing as a Modeling Tool for Discrete Systems

Ravie Chandren Muniyandi — 2011-08-24

Journal of Computer Science, Published online: 24 August 2011; doi:10.3844/jcssp.2011.1667.1673

Problem statement: Discrete systems have been modeled by using Ordinary Differential Equation (ODE) in which the variation of concentration of an object was modeled as continuous and deterministic man...

Traffic Flow Analysis Model based Routing Protocol For Multi-Protocol Label Switching Network

E. R. Naganathan — 2011-08-25

Journal of Computer Science, Published online: 25 August 2011; doi:10.3844/jcssp.2011.1674.1678

Problem statement: Multi-Protocol Label Switching (MPLS) is a mechanism which is used in high-performance telecommunications networks that directs and carries data from one network node to the next wi...

An Analysis of Hybrid Tool Estimator: An Integration of Risk with Software Estimation

J. Frank Vijay — 2011-08-25

Journal of Computer Science, Published online: 25 August 2011; doi:10.3844/jcssp.2011.1679.1684

Problem statement: One important problem with software development projects is to get an early and nevertheless accurate estimation of the effort needed to complete the project within the schedule. In...

A Challenge for Routing Algorithms in Optical Multistage Interconnection Networks

Mehrnaz Moudi — 2011-08-29

Journal of Computer Science, Published online: 29 August 2011; doi:10.3844/jcssp.2011.1685.1690

Problem statement: A class of dynamic interconnection networks is Multistage Interconnection Networks (MINs) that connects input devices to output devices through a number of switch stages. MINs have ...

A New Security Model using Multilayer Approach for E-Health Services

Rossilawati Sulaiman — 2011-08-29

Journal of Computer Science, Published online: 29 August 2011; doi:10.3844/jcssp.2011.1691.1703

Problem statement: Delivering services online is important in e-health. Services that are delivered through online communications between engaging parties, often involve sensitive information transmit...

Image Compression using Space Adaptive Lifting Scheme

Ramu Satyabama — 2011-08-29

Journal of Computer Science, Published online: 29 August 2011; doi:10.3844/jcssp.2011.1704.1710

Problem statement: Digital images play an important role both in daily life applications as well as in areas of research and technology. Due to the increasing traffic caused by multimedia information ...

Latent Dirichlet Allocation Model for Raga Identification of Carnatic Music

Rajeswari Sridhar — 2011-08-30

Journal of Computer Science, Published online: 30 August 2011; doi:10.3844/jcssp.2011.1711.1716

Problem statement: In this study the Raga of South Indian Carnatic music is determined by constructing a model. Raga is a pre-determined arrangement of notes, which is characterized by an Arohana and ...

Dynamic Bandwidth Allocation for Multiple Traffic Classes in IEEE 802.16e WiMax Networks: A Petrinet Approach

S. Geetha — 2011-09-06

Journal of Computer Science, Published online: 6 September 2011; doi:10.3844/jcssp.2011.1717.1723

Problem statement: WiMAX supports multiple types of traffic such as data, voice and video. Each flow requires a certain minimum bandwidth to achieve its QoS. Bandwidth allocation to traffic classes sh...

Behaviour Based Worm Detection and Signature Automation

Mohammed Anbar — 2011-09-06

Journal of Computer Science, Published online: 6 September 2011; doi:10.3844/jcssp.2011.1724.1728

Problem statement: A worm is a malicious piece of code that self-propagates, often via network connections, to exploit security flaws in computers connected through the network. In general, worms do n...

Specifying Processes: Application to Electrical Power Distribution

Sabah Al-Fedaghi — 2011-09-06

Journal of Computer Science, Published online: 6 September 2011; doi:10.3844/jcssp.2011.1729.1740

Problem statement: This study deals with the problem of how to specify processes. Many process specification methodologies have been determined to be incomplete; for example, ISO 9000:2005 defines pro...

Object Recognition Based on Image Segmentation and Clustering

S. Thilagamani — 2011-09-06

Journal of Computer Science, Published online: 6 September 2011; doi:10.3844/jcssp.2011.1741.1748

Problem statement: This study deals with object recognition based on image segmentation and clustering. Acquiring prior information of an image is done via two separate processes. Approach: The first ...

Dot Detection of Braille Images Using A Mixture of Beta Distributions

Amany Al-Saleh — 2011-09-06

Journal of Computer Science, Published online: 6 September 2011; doi:10.3844/jcssp.2011.1749.1759

Problem statement: Braille is a tactile format of written communication for people with low vision and blindness worldwide. Optical Braille Recognition (OBR) offers many benefits to Braille users and ...