Volume 5, Issue 8 (2009) | Journal of Computer Science

Digital Video Watermarking in the Discrete Cosine Transform Domain

Sadik Ali M. Al-Taweel — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.536.543

Problem statement: Nowadays, digital watermarks have recently become recognized as a solution for protecting copyright of the digital multimedia. For a watermark to be useful, it must be perceptually ...

An Improved Genetic Algorithm Based on Adaptive Repair Operator for Solving the Knapsack Problem

Sunanda Gupta — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.544.547

Problem statement: Knapsack problem is a typical NP complete problem. During last few decades, Knapsack problem has been studied through different approaches, according to the theoretical development ...

Reducing Broadcast Overhead Using Clustering Based Broadcast Mechanism in Mobile Ad Hoc Network

N. Karthikeyan — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.548.556

Problem statement: Network wide broadcasting is an important function in Mobile Ad Hoc Networks (MANET), which attempts to deliver packets from a source node to all other nodes in the network. Broadca...

Contour Following Task with Dual Sensor Logic Algorithm for Adept Selective Compliant Assembly Robot Arm Robot

Anton Satria Prabuwono — 2009-12-31

Journal of Computer Science, Published online: 31 December 2009; doi:10.3844/jcssp.2009.557.563

Problem statement: The capability of performing autonomously a contour following task of a shape object is required for an industrial robot manipulator. These tasks include welding, sealing, grinding,...

Wavelet-Based Geometry Coding for Three Dimensional Mesh Using Space Frequency Quantization

Shymaa T. El-Leithy — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.564.572

Problem statement: Recently, 3D objects have been used in several applications like internet games, virtual reality and scientific visualization. These applications require real time rendering and fas...

Message Based Random Variable Length Key Encryption Algorithm

Hamid Mirvaziri — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.573.578

Problem statement: A block ciphers provides confidentiality in cryptography but cryptanalysis of the classical block ciphers demonstrated some old weaknesses grabbing a partial key in any stage of enc...

Separable Watermarking Technique Using the Biological Color Model

David Nino — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.579.588

Problem statement: The issue of having robust and fragile watermarking is still main focus for various researchers worldwide. Performance of a watermarking technique depends on how complex as well as ...

Personal Computer Based Clinical Programming Software for Auditory Prostheses

K. Rajakumar — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.589.595

Auditory Prostheses (AP) are widely used electronic devices for patients suffering with severe to profound senosorineural deafness by electrically stimulating the auditory nerve using an electrode arr...

Information Extraction from Hypertext Mark-Up Language Web Pages

Mahmoud Shaker — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.596.607

Problems statement: Nowadays, many users use web search engines to find and gather information. User faces an increasing amount of various HTML information sources. The issue of correlating, integrati...

Memory Tracing

Eva Cogan — 2009-08-31

Journal of Computer Science, Published online: 31 August 2009; doi:10.3844/jcssp.2009.608.613

Problem statement: Students completing introductory computing courses did not know how to program at the expected level. Seeking the underlying problem, we came to believe that students were focusing ...