IJACSA Vol. 2 Issue 9 (2011)

1

Evaluation of the Segmentation by Multispectral Fusion Approach with Adaptive Operators: Application to Medical Images

Author 1: Lamiche Chaabane Author 2: Moussaoui Abdelouahab

With the development of acquisition image techniques, more and more image data from different sources of image become available. Multi-modality image fusion seeks to combine information from different images to obtain more inferences than can be derived from a single modality. In medical imaging based application fields, image fusion has… Read full abstract & cite →

image fusion possibility theory segmentation MR images.

Abstract doi.org/10.14569/IJACSA.2011.020901 PDF

2

Towards an Adaptive Learning System Based on a New Learning Object Granularity Approach

Author 1: Amal Battou Author 2: Ali El Mezouary Author 3: Chihab Cherkaoui Author 4: Driss Mammass

To achieve the adaptability required in ALS, adaptive learning system (ALS) takes advantage of granular and reusable content. The main goal of this paper is to examine the learning object granularity issue which is directly related with Learning Object (LO) reusability and the adaptability process required in ALS. For that… Read full abstract & cite →

aaptability learning Content adaptive learning systems learning object granularit y learning content.

Abstract doi.org/10.14569/IJACSA.2011.020902 PDF

3

An Efficient Scheme for MANET Domain Formation (ESMDF)

Author 1: Adwan AbdelFattah

Mobile Ad hoc Network (MANET) has random topology as MANET devices leaving or joining to the network at anytime. The dynamic nature of MANETs makes achieving secrecy, connectivity and high performance, a big challenge and a complex task. In this paper, we proposed an efficient technique for Dynamic construction of… Read full abstract & cite →

MANET ESMDF Domain Domain Router Domain Formation.

Abstract doi.org/10.14569/IJACSA.2011.020903 PDF

4

Backup Communication Routing Through Internet Satellite, WINDS for Transmitting of Disaster Relief Data

Author 1: Kohei Arai

A countermeasure for round trip delay which occurs in between satellite and ground with network accelerator is investigated together with operating system dependency on effectiveness of accelerator. Also disaster relief data transmission experiments are conducted for mitigation of disaster together with acceleration of disaster related data transmission between local government… Read full abstract & cite →

internet satellite disaster mitigation TCP/IP protocol accerelator.

Abstract doi.org/10.14569/IJACSA.2011.020904 PDF

5

Embedded Object Detection with Radar Echo Data by Means of Wavelet Analysis of MRA: Multi-Resolution Analysis

Author 1: Kohei Arai

A method for embedded object detection with radar echo data by means of wavelet analysis of MRA: Multi-Resolution Analysis, in particular, three dimensional wavelet transformations is proposed. In order to improve embedded object detecting capability, not only one dimensional radar echo data but also three dimensional data are used. Through… Read full abstract & cite →

Three dimensional wavelet transformation Radar echo data wavelet MRA Edge detection.

Abstract doi.org/10.14569/IJACSA.2011.020905 PDF

6

An improved Approach for Document Retrieval Using Suffix Trees

Author 1: N Sandhya Author 2: A. Govardhan Author 3: Y. Sri Lalitha Author 4: K. Anuradha

Huge collection of documents is available at few mouse clicks. The current World Wide Web is a web of pages. Users have to guess possible keywords that might lead through search engines to the pages that contain information of interest and browse hundreds or even thousands of the returned pages… Read full abstract & cite →

Document retrieval Frequent Word Sequences Suffix tree Traversal technique.

Abstract doi.org/10.14569/IJACSA.2011.020906 PDF

7

Polarimetric SAR Image Classification with High Frequency Component Derived from Wavelet Multi Resolution Analysis: MRA

Author 1: Kohei Arai

A method for polarimetric Synthetic Aperture Radar: SAR image classification with high frequency component derived from wavelet Multi-Resolution Analysis: MRA is proposed. Although it is well known that polarization signature derived from fully polarized SAR data is useful for SAR image classifications, it is still unknown how to utilize the… Read full abstract & cite →

polarimetric SAR polarization signature wavelet MRA.

Abstract doi.org/10.14569/IJACSA.2011.020907 PDF

8

A New Reliability Model for Evaluating Trustworthiness of Intelligent Agents in Vertical Handover

Author 1: Kailash Chander Author 2: Dimple Juneja

Our previous works have proposed the deployment of mobile agents to assist vertical handover decisions in 4G. Adding a mobile agent in the 4G could lead to many advantages such as reduced consumption of network bandwidth, delay in network latency and reduction in the time taken to complete a particular… Read full abstract & cite →

Trust Certificate Mobile Agents Vertical Handover Secure Network.

Abstract doi.org/10.14569/IJACSA.2011.020908 PDF

9

Some New Results about The Period of Recurring Decimal

Author 1: Bo Zhang

This study mainly discusses period problem of recurring decimals.According to Euler theorem, this paper gives the computation formula of period of recurring decimal, relation of the period and least positive period, and the necessary and sufficient condition that the period is eaqual to least positive period. Read full abstract & cite →

Recurring decimal Period Prime.

Abstract doi.org/10.14569/IJACSA.2011.020909 PDF

10

Hierarchical Cellular Structures in High-Capacity Cellular Communication Systems

Author 1: R K Jain Author 2: Sumit Katiyar Author 3: N. K. Agrawal Sr Sr M IEEE

In the prevailing cellular environment, it is important to provide the resources for the fluctuating traffic demand exactly in the place and at the time where and when they are needed. In this paper, we explored the ability of hierarchical cellular structures with inter layer reuse to increase the capacity… Read full abstract & cite →

Hierarchical cellular structures Total frequency hopping Adaptive frequency allocation Communication system traffic Code division multiple access (CDMA).

Abstract doi.org/10.14569/IJACSA.2011.020910 PDF

11

Hybrid Query by Humming and Metadata Search System (HQMS) Analysis over Diverse Features

Author 1: Nauman Ali Khan Author 2: Mubashar Mushtaq

Retrieval of music content over web is one of the toughest job tasks and found some of the significant challenge. Song retrieval over web is the emerging problem from the category of Music Information Retrieval. Several searching techniques related to metadata and content of song are developed and implemented. In… Read full abstract & cite →

Query by humming Metadata MIR Hybrid system Pipe and Filter Evaluation.

Abstract doi.org/10.14569/IJACSA.2011.020911 PDF

12

Semantic Retrieval Approach for Web Documents

Author 1: Hany M Harb Author 2: Khaled M. Fouad Author 3: Nagdy M. Nagdy

Because of explosive growth of resources in the internet, the information retrieval technology has become particularly important. However the current retrieval methods are essentially based on the full text matching of keywords approach lacking of semantic information and can’t understand the user's query intent very well. These methods return a… Read full abstract & cite →

Semantic Web information retrieval Semantic Retrieval Semantic Similarity WordNet.

Abstract doi.org/10.14569/IJACSA.2011.020912 PDF

13

Prediction of Users Behavior through Correlation Rules

Author 1: Navin Kumar Tyagi Author 2: A. K. Solanki

Web usage mining is an application of Web mining which focus on the extraction of useful information from usage data of severs logs. In order to improve the usability of a Web site so that users can more easily find and retrieve information they are looking for, we proposed a… Read full abstract & cite →

Web usage mining FPgrowth Cosine measure Usability Association rules.

Abstract doi.org/10.14569/IJACSA.2011.020913 PDF

14

EGovernment Stage Model: Evaluating the Rate of Web Development Progress of Government Websites in Saudi Arabia

Author 1: Osama Alfarraj Author 2: Steve Drew Author 3: Rayed Abdullah AlGhamdi

This paper contributes to the issue of eGovernment implementation in Saudi Arabia by discussing the current situation of ministry websites. It evaluates the rate of web development progress of vital government websites in Saudi Arabia using the eGovernment stage model. In 2010, Saudi Arabia ranked 58th in the world and… Read full abstract & cite →

eGovernment Saudi Arabia government websites web development progress eGovernment stage model.

Abstract doi.org/10.14569/IJACSA.2011.020914 PDF

15

Analysis of k-Coverage in Wireless Sensor Networks

Author 1: Rasmi Ranjan Patra Author 2: Prashanta Kumar Patra

Recently, a concept of wireless sensor networks has attracted much attention due to its wide-range of potential applications. Wireless sensor networks also pose a number of challenging optimization problems. One of the fundamental problems in sensor networks is the coverage problem, which reflects the quality of service that can be… Read full abstract & cite →

Wireless sensor networks coverage k-coverage connectivity.

Abstract doi.org/10.14569/IJACSA.2011.020915 PDF

16

PSO Based Short-Term Hydrothermal Scheduling with Prohibited Discharge Zones

Author 1: G Sreenivasan Author 2: C.H.Saibabu Author 3: S.Sivanagaraju

This paper presents a new approach to determine the optimal hourly schedule of power generation in a hydrothermal power system using PSO technique.. The simulation results reveal that the proposed PSO approach appears to be the powerful in terms of convergence speed, computational time and minimum fuel cost. Read full abstract & cite →

Hydrothermal scheduling Particle Swarm Optimization Valve - point loading effect Prohibited Discharge Zones.

Abstract doi.org/10.14569/IJACSA.2011.020916 PDF

17

mSCTP Based Decentralized Mobility Framework

Author 1: Waqas A Imtiaz Author 2: M. Afaq Author 3: Mohammad A.U. Babar

To conceive the full potential of wireless IP services, Mobile Nodes (MNs) must be able to roam seamlessly across different networks. Mobile Stream Control Transmission Protocol (mSCTP) is a transport layer solution, which unlike Mobile IP (MIP), provides seamless mobility with minimum delay and negligible packet loss. However, mSCTP fails… Read full abstract & cite →

mSCTP Chord Multihoming Seamless mobility.

Abstract doi.org/10.14569/IJACSA.2011.020917 PDF

18

Audio Watermarking with Error Correction

Author 1: Aman Chadha Author 2: Sandeep Gangundi Author 3: Rishabh Goel Author 4: Hiren Dave

In recent times, communication through the internet has tremendously facilitated the distribution of multimedia data. Although this is indubitably a boon, one of its repercussions is that it has also given impetus to the notorious issue of online music piracy. Unethical attempts can also be made to deliberately alter such… Read full abstract & cite →

watermarking audio watermarking data hiding data confidentiality.

Abstract doi.org/10.14569/IJACSA.2011.020918 PDF

19

Development of a Computer Aided Transport Monitoring System (CATRAMS) for Manufacturing Organizations

Author 1: Dipo Theophilus Akomolafe

Presently, there are different types of monitoring systems and devices being used to monitor vehicles, products, processes and activities in manufacturing organizations. Each of these devices has their unique strengths and weaknesses but one problem that is common to them is that there is no knitted relationship between the devices… Read full abstract & cite →

transport manufacturing database hardware communication route goods passengers.

Abstract doi.org/10.14569/IJACSA.2011.020919 PDF

20

The Performance between XEN-HVM, XEN-PV and Open-VZ during live-migration

Author 1: Igli Tafa Author 2: Elinda Kajo Author 3: Ariana Bejleri Author 4: Olimpjon Shurdi

The aim of this paper is to compare the performance between three hypervisors: XEN-PV, XEN-HVM and Open-VZ. We have simulated the migration of a virtual machine by using a warning failure approach. Based on some experiments we have compared CPU Consumption, Memory Utilization, Total Migration Time and Downtime. We have… Read full abstract & cite →

Hypervisor XEN-PV XEN-HVM Open-VZ CPU Consumption Memory Utilization Downtime.

Abstract doi.org/10.14569/IJACSA.2011.020920 PDF

21

An Ontology Based Reuse Algorithm towards Process Planning in Software Development

Author 1: Shilpa Sharma Author 2: Maya Ingle

The process planning task for specified design provisions in software development can be significantly developed by referencing the knowledge reuse scheme. Reuse is considered to be one of the most promising techniques to improve software excellence and productivity. Reuse during software development depends much on the existing design knowledge in… Read full abstract & cite →

Ontological Knowledge Modeling OntoReuseAlgo Ontolayering Principle.

Abstract doi.org/10.14569/IJACSA.2011.020921 PDF

22

Room Impulse Response Modeling in the Sub-2kHz Band using 3-D Rectangular Digital Waveguide Mesh

Author 1: Zhixin Chen

Digital waveguide mesh has emerged as an efficient and straightforward way to model small room impulse response because it solves the wave equation directly in the time domain. In this paper, we investigate the performance of the 3-D rectangular digital waveguide mesh in modeling the low frequency portion of room… Read full abstract & cite →

Embedded Systems Digital Signal Processing Room Acoustics.

Abstract doi.org/10.14569/IJACSA.2011.020922 PDF

23

E-learning as a Research Area: An Analytical Approach

Author 1: Sangeeta Kakoty Author 2: Monohar Lal Author 3: Shikhar Kr. Sarma

The concept of E-learning is very broad. It was coined in late 90s as the technological enhanced learning mechanism through Internet. Now it captures a broad range of electronic media like Internet, Intranets, Extranets, satellite broadcast, audio/video tape, interactive TV and CD-ROM to make the learning procedure more flexible and… Read full abstract & cite →

E-learning learning standards technology enhanced learning procedure e-education system dimension of research areas.

Abstract doi.org/10.14569/IJACSA.2011.020923 PDF