Volume 5, Issue 4 (2009) | Journal of Computer Science

Representation of Polygonal Surfaces as Displaced Subdivision Surfaces

Muhammad Hussain — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.242.249

Problem statement: Displaced subdivision representation possesses a number of attractive features for efficient and convenient processing tasks like editing, geometry compression, animation, scalabili...

Color Image Reconstruction Using A New R'G'I Model

Akram A. Moustafa — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.250.254

Problem statement: A new color model for digital image was discussed; this model can be used to separate low and high frequencies in the image without loosing any information from the image. Approach:...

MPLS Based Architecture for Mobility and End-to-End QoS Support in Fourth Generation Mobile Networks

Alejandro Quintero — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.255.262

Problem statement: Next-generation mobile networks are evolving towards network architectures relying entirely on IP. Approach: These networks had to be scalable in order to support future IP traffic,...

Slantlet Transform for Multispectral Image Fusion

Adnan Hadi M. Al-Helali — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.263.269

Problem statement: Image fusion is a process by which multispectral and panchromatic images, or some of their features, are combined together to form a high spatial/high spectral resolutions image. Th...

A Flexible and Reliable Architecture for Mobile Agent Security

Ghossoon M.W. Al-Saadoon — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.270.274

Problem statement: Wireless application protocol is a protocol that makes it possible to surf the Internet from a cellular phone or other handheld wireless. Many of us that surf the Internet from home...

Improved Statistical Speech Segmentation Using Connectionist Approach

M. S. Salam — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.275.282

Problem statement: Speech segmentation is an important part for speech recognition, synthesizing and coding. Statistical based approach detects segmentation points via computing spectral distortion of...

Real-Time Connect 4 Game Using Artificial Intelligence

Ahmad M. Sarhan — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.283.289

Problem statement: The study presented a design that converted connect 4 game into a real-time game by incorporating time restraints. Approach: The design used Artificial Intelligence (AI) in implemen...

Optimization of Test Scheduling and Test Access for ITC-02 SOC Benchmark Circuits

P. Sakthivel — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.290.296

Problem statement: This study presented the optimized test scheduling and test access for ITC-02 SOC benchmark circuits using genetic algorithm. In the scheduling procedure of SOC, scheduling problem ...

Optimal Power Control with Overhearing Avoidance for Wireless Sensor Networks

M. Ramakrishnan — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.297.301

Problem statement: Extending lifetime of the battery operated wireless sensor nodes through the design of low power medium access control protocols dealt in this study. Approach: In this study energy ...

A Control-Oriented Coverage Metric and its Evaluation for Hardware Designs

Shireesh Verma — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.302.310

Problem statement: Dynamic verification, the use of simulation to determine design correctness, is widely used due to its tractability for large hardware designs. A serious limitation of dynamic techn...

An Approach to Modeling Software Safety in Safety-Critical Systems

Ben Swarup Medikonda — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.311.322

Software for safety-critical systems has to deal with the hazards identified by safety analysis in order to make the system safe, risk-free and fail-safe. Software safety is a composite of many factor...

Generic Algorithm with Varying Block Sizes to Improve the Capacity of a Wireless Communications Networks

Mahmoud Abdellaoui — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.323.329

Problem statement: Channel capacity can be an essential parameter for wireless communication to improve the link quality. Until now, the channel capacity has been evaluated by utilizing Shannon capaci...

A Light-Weight Service Discovery Protocol for Ad Hoc Networks

Ranwa Al Mallah — 2009-04-30

Journal of Computer Science, Published online: 30 April 2009; doi:10.3844/jcssp.2009.330.337

Problem statement: In mobile ad hoc networks devices do not rely on a fixed infrastructure and thus have to be self-organizing. This gives rise to various challenges to network applications. Existing ...