Open Access Method Article

A Proposed Method to Improve Quality of Image Using Panorama Technology for WSNs

The Nguyen Manh, Phat Nguyen Huu, Vinh Tran-Quang

Journal of Advances in Mathematics and Computer Science, Page 40-61
DOI: 10.9734/BJMCS/2015/17632

Aims: Applying an image processing algorithm (image mosaic) for Wireless Sensor Networks (WSNs) and detect the position of the object of the picture.
Methodology: The method that we propose includes four steps: Detecting key points, matching key points and cutting overlaps, finding Homography matrix, and combining with RANdom Sample Consensus (RANSAC). In WSNs, a number of nodes are large. We use distributed processing on nodes by using multi-path routing and cutting overlaps. The energy consumption of the system will be reduced and balanced since lifetime of nodes is longer.
Results and Conclusion: The results show that the proposed method improves not only quality of images but also energy consumption and lifetime of networks.

Open Access Method Article

A Group Decision Making Method Based on Projection Method and Score Function under IVIFS Environment

Guiling Sun

Journal of Advances in Mathematics and Computer Science, Page 62-72
DOI: 10.9734/BJMCS/2015/9549

In the paper, we will consider the interval-valued intuitionistic fuzzy multiple attribute group decision making problems. The paper presents a method to derive the weights of experts and to rank the preference order of alternatives based on projection, fuzzy entropy and score functions. Firstly, we obtain the weight of decision makers according to the projection of the individual decision on the mean decision matrix. Then, basing on the score function and fuzzy entropy we develop a practical algorithm to rank alternatives. Finally, an illustrative example is given to verify the developed method and demonstrate its practicality and effectiveness.

Open Access Short Research Article

The Formation of Graphical Images Using Resampling Pixel Addressing Mode and Its Effect on 12 X 12 Block Memory

Makanjuola Daniel

Journal of Advances in Mathematics and Computer Science, Page 35-39
DOI: 10.9734/BJMCS/2015/15103

This paper is inclined to address the issue of pixel semantic expression of different region of interest. From the textual point of view, the number of pixels that are read from the region of interest in every graphical display is principally control by the pixel addressing features. Pixel Addressing is controlled by two parameters; Pixel Addressing Mode and Pixel Addressing Value [1,2]. This paper significantly displays knowledge of how fractional part of pixels (based on the chosen mode of pixel addressing) in the regions of interest is returned, and the effects of such discount on the image produced in terms of graphics and colour artifacts. The mode of Pixel Addressing can be decimate (0), averaging (1), binning (2), or resampling (3). The eventual image production in ROI (in terms of graphics and colour artifacts) is significantly determined by the mode of pixel addressing and the settings of the block memory.

Open Access Original Research Article

Architecting Network Structure for Data Center: A Scalable Hierarchical Approach

Biao Dong

Journal of Advances in Mathematics and Computer Science, Page 1-11
DOI: 10.9734/BJMCS/2015/17149

This paper presents a server centric approach for architecting data center network(DCN) by using a hierarchical model. Considering that the network infrastructure must be scalable to a large number of servers and allow for incremental expansion, we design a high scalable DCN with high performance. The results imply that our approach is more feasible, and possess the good regularity and expandability that help reduce the cost of further expansions.

Open Access Original Research Article

Incidence Matrix of a Semigraph

C. M. Deshpande, Yogeshri Gaidhani, B. P. Athawale

Journal of Advances in Mathematics and Computer Science, Page 12-20
DOI: 10.9734/BJMCS/2015/17851

Semigraph was dened by Sampathkumar as a generalization of graph. In this paper incidence matrix which represents semigraph uniquely and characterization of such a matrix is obtained. Some properties of incidence matrix of semigraph are studied. Structure of incidence matrix of some special classes of semigraphs are obtained.

Open Access Original Research Article

Mathematical Modelling of Drug Targeting Using Computational Methods

C. R. Uthra, R. Vasanthakumari

Journal of Advances in Mathematics and Computer Science, Page 21-34
DOI: 10.9734/BJMCS/2015/17633

Magnetic nanoparticles play a crucial role as drug carriers in the human body. In this investigation the particle movement is analysed knowing the local flow condition and using appropriate magnets. The particles are injected into the vascular system upstream from malignant tissue and captured at the tumor using an applied magnetic field.
The applied field was obtained by using a quadrupole magnet that couples to the magnetic nanoparticles inside the carrier particle and produces a force that attracts the particle to the tumor. The flux density components of the quadrupole magnet is calculated using Scilab.
This study also provides a mathematical model (I) needed for the development of drug targeting to the lungs in comparison with experimental results. The trajectories of magnetite particles of different sizes in the field of permanent quadrupole in the air and water were traced in different times with the help of numerical solver. It was found that the tendency of the particle to be captured by the magnet increases when air is chosen as the medium.
In the Investigation of model (II) the behavior of blood was considered as Hershel-bulkley fluid which is suitable for the micro vessel of radius 50 nm. Analytical expression was derived for predicting the volume fraction of embedded magnetic nanoparticles required to capture the carrier particle at the tumor.
A parametric analysis of magnetic targeting as a function of key variables including the size of the carrier particle and volume fraction is made. The assumptions to the model was made by comparing with the theoretical model done earlier [9] and implemented using mathematical software scilab 5.4.

Open Access Original Research Article

Computation of Eigenvalues of the Fourth Order Sturm-Liouville BVP by Galerkin Weighted Residual Method

Humaira Farzana, Md. Shafiqul Islam, Samir Kumar Bhowmik

Journal of Advances in Mathematics and Computer Science, Page 73-85
DOI: 10.9734/BJMCS/2015/15370

The aim of this paper is to compute eigenvalues of fourth order regular Sturm-Liouville Boundary Value Problems (SLP). We propose the Galerkin weighted residual method with Bernstein polynomials as basis functions to approximate the solutions of SLP. We derive rigorous matrix formulations to compute the eigenvalues of the SLP. Special care has been given about how the polynomials satisfy the corresponding homogeneous form of Dirichlet boundary conditions. The approximate eigenvalues are compared with the exact result and also compared with the relevant studies by some authors. The results in this study agree with that of the other relevant articles.