Research Article
Article:Active Contour Multigrid Model for Segmentation and Automatic Quantification of Material Phases of Cast Iron
|
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
|
| Volume 9 - Issue 4 |
| Published: November 2010 |
| Authors: Pattan Prakash, V. D. Mytri, P. S. Hiremath |
10.5120/1372-1849
|
Pattan Prakash, V. D. Mytri, P. S. Hiremath . Article:Active Contour Multigrid Model for Segmentation and Automatic Quantification of Material Phases of Cast Iron. International Journal of Computer Applications. 9, 4 (November 2010), 32-37. DOI=10.5120/1372-1849
@article{ 10.5120/1372-1849,
author = { Pattan Prakash,V. D. Mytri,P. S. Hiremath },
title = { Article:Active Contour Multigrid Model for Segmentation and Automatic Quantification of Material Phases of Cast Iron },
journal = { International Journal of Computer Applications },
year = { 2010 },
volume = { 9 },
number = { 4 },
pages = { 32-37 },
doi = { 10.5120/1372-1849 },
publisher = { Foundation of Computer Science (FCS), NY, USA }
}
%0 Journal Article
%D 2010
%A Pattan Prakash
%A V. D. Mytri
%A P. S. Hiremath
%T Article:Active Contour Multigrid Model for Segmentation and Automatic Quantification of Material Phases of Cast Iron%T
%J International Journal of Computer Applications
%V 9
%N 4
%P 32-37
%R 10.5120/1372-1849
%I Foundation of Computer Science (FCS), NY, USA
Abstract
A critical and important stage in microstructure image analysis is segmentation, because the segmentation method has direct impact on the end results of analysis. The main aim of this paper is to determine appropriate segmentation method for microstructure image analysis and quantification. In this work, some popular segmentation methods, namely, Otsu’s automatic threshold, watershed, uni-grid active contour method and multi-grid active contour methods have been investigated. The reliability of the segmentation methods is tested by determining the volume fraction of phases present in microstructure images of materials of known chemical composition. The experimentation is done using microstructure images of cast iron of various compositions. The experimental results are compared with expected values of volume fraction. The active contour multi-grid segmentation model is found to yield better results within the practical limits as compared to manual and other automated methods.
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