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Volume 28, Issue 101-105, February 2015

About the Cover

Magnetic Resonance Imaging (MRI) techniques are used to scan images of brain tumors. The extracted MRI image is sensitive to noise which limits the visibility of certain characteristics of the image. This unwanted noise can be disintegrated and curtailed from the original Image by using the non linear digital median filter. The intensification is achieved by using the combination of discrete wavelet transform (DWT) and stationary wavelet transform (SWT) augmented with Bi-cubic interpolation algorithm. The quality of the resolute image is analyzed with the possible static parameters. Segmentation and clustering approaches are applied on the resultant sharpened high resolution image to estimate the tumor area. In this paper the results obtained with proposed Optimized Hybrid Clustering (OHC) algorithm is compared with the existing K- Means, Pillar K-Means and Fuzzy C-means (FCM) approaches. The tumor sensitivity and accuracy of the test parameters with the OHC approach are estimated. In-order to deliver the drug to kill the aberrant tissue the number of tumor cells are estimated against its radius .The Proposed method exhibits reliable values when compared with existing approaches.


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DISCOVERY OF THE MONTH

Thomas Edison discovered the Edison effect - February 13, 1880

Brindha V

Thomas Alva Edison was born on February 11, 1847, in Milan, Ohio. Thomas Edison received little formal education, and left school in 1859 to being working on the railroad between Detroit and Port Huron, Michigan.

Discovery, 2015, 28(101), 1

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ANALYSIS

Design and Simulation of sierpinski carpet stacked microstrip fractal antenna

Sudhina HK, Jagadeesha S, Shetti NM, Sandeep V

The finite-difference time-domain (FDTD) method is applied to the probe-fed square patch microstrip antenna and stacked with a parasitic patch to achieve higher gain. The input impedance, the directivity, the far field radiation patterns and the near field distributions are analysed.

Discovery, 2015, 28(101), 2-6

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Speed Control of Induction Motor by Using Advanced Non Linear Techniques and comparison

Raviteja D, Ayya Rao TSLV

The main objective of this paper is to control the speed of the induction motor. The speed can be controlled by scalar control and vector control.

Discovery, 2015, 28(104), 48-55

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Qualitative Analysis of Brain tumor MRI

Vidyasagar K, Bhujangarao A, Madhu T

Magnetic Resonance Imaging (MRI) techniques are used to scan images of brain tumors. The extracted MRI image is sensitive to noise which limits the visibility of certain characteristics of the image.

Discovery, 2015, 28(104), 65-71

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Understanding the design issue in architecture learning; Review the desired components in sufficient understanding of the design as start point for novice designers

Golnar Aryan

Architectural design education is a challenging task that is dependent on several variables. Since the formation of the identity of a designer and learning the design skills is related to this issue, it is of extremely sensitivity.

Discovery, 2015, 28(105), 94-103

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Creative Commons License

© The Author(s) 2015. Open Access. This article is licensed under a Creative Commons Attribution License 4.0 (CC BY 4.0).