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Article:Improved Entropic Threshold based on GLSC Histogram with Varying Similarity Measure

by M Seetharama Prasad, T Divakar, Dr. L S S Reddy
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 23 - Number 1
Year of Publication: 2011
Authors: M Seetharama Prasad, T Divakar, Dr. L S S Reddy
10.5120/2852-3661

M Seetharama Prasad, T Divakar, Dr. L S S Reddy . Article:Improved Entropic Threshold based on GLSC Histogram with Varying Similarity Measure. International Journal of Computer Applications. 23, 1 ( June 2011), 25-32. DOI=10.5120/2852-3661

@article{ 10.5120/2852-3661,
author = { M Seetharama Prasad, T Divakar, Dr. L S S Reddy },
title = { Article:Improved Entropic Threshold based on GLSC Histogram with Varying Similarity Measure },
journal = { International Journal of Computer Applications },
issue_date = { June 2011 },
volume = { 23 },
number = { 1 },
month = { June },
year = { 2011 },
issn = { 0975-8887 },
pages = { 25-32 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume23/number1/2852-3661/ },
doi = { 10.5120/2852-3661 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:09:04.739753+05:30
%A M Seetharama Prasad
%A T Divakar
%A Dr. L S S Reddy
%T Article:Improved Entropic Threshold based on GLSC Histogram with Varying Similarity Measure
%J International Journal of Computer Applications
%@ 0975-8887
%V 23
%N 1
%P 25-32
%D 2011
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Image segmentation is a necessary task in computer vision and digital image processing applications, where foreground objects are to be separated from background. Many thresholding techniques are found in literature with their own limitations. The Gray level Spatial Correlation (GLSC) Histogram is used in entropic techniques to decide the threshold. In this paper we propose an improved GLSC Histogram, computed with varying similarity measure (ζ) by considering local and global characteristics, because Yang Xiao et. al. used a constant 4 as the similarity measure by considering the image local properties only, which does not suits for all types of images and probability error is minimized by redistributing the missing probability amount in floating precisions. For low contrast images contrast enhancement is assumed. Experimental results demonstrate a quantitative improvement against existing techniques by calculating the parameter efficiency η based on the misclassification error and variations in various yielding towards ground truth threshold on two dimensional histogram of image.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Entropy GLSC histogram threshold image segmentation

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