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Contrast enhancement of CT brain images for detection of ischemic stroke

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Main Authors: Tiong-Lang, Tan, Kok-Swee, Sim, Aun-Kee, Chong
其他作者: tltan@mmu.edu.my
格式: Working Paper
语言:English
出版: Institute of Electrical and Electronics Engineers (IEEE) 2012
主题:
Image processing
Histogram equalization
Computed tomography (CT) brain images;
Window setting
在线阅读:http://dspace.unimap.edu.my/xmlui/handle/123456789/21416
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spelling my.unimap-214162012-10-18T08:22:48Z Contrast enhancement of CT brain images for detection of ischemic stroke Tiong-Lang, Tan Kok-Swee, Sim Aun-Kee, Chong tltan@mmu.edu.my kssim@mmu.edu.my chongaunkee@gmail.com Image processing Histogram equalization Computed tomography (CT) brain images; Window setting Link to publisher's homepage at http://ieeexplore.ieee.org/ The window setting allows the visualization of computed tomography (CT) brain images, and hence enables the detection of brain traumas such as ischemic stroke. However, the standard setting of window setting for CT brain images does not provide a good contrast to accentuate the hypodense area in the brain soft tissues. While the conventional histogram equalization (HE) and other proposed improvement schemes are not suitable to enhance the image contrast, a new method is presented in this paper to highlight the hypodense area for the detection of ischemic stroke. The presented method specifically enhances the contrast of soft tissues area and simultaneously preserves the background brightness, by eliminating the distribution of the extreme levels, normalizing the resulting distribution, and finally mapping the transform function on the image. Experimental results show that the presented method outperforms some existing improved HE method. 2012-10-18T08:22:48Z 2012-10-18T08:22:48Z 2012-02-27 Working Paper p. 385-388 978-145771989-9 http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6179043 http://hdl.handle.net/123456789/21416 en Proceedings of the International Conference on Biomedical Engineering (ICoBE 2012) Institute of Electrical and Electronics Engineers (IEEE)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Image processing
Histogram equalization
Computed tomography (CT) brain images;
Window setting
spellingShingle Image processing
Histogram equalization
Computed tomography (CT) brain images;
Window setting
Tiong-Lang, Tan
Kok-Swee, Sim
Aun-Kee, Chong
Contrast enhancement of CT brain images for detection of ischemic stroke
description Link to publisher's homepage at http://ieeexplore.ieee.org/
author2 tltan@mmu.edu.my
author_facet tltan@mmu.edu.my
Tiong-Lang, Tan
Kok-Swee, Sim
Aun-Kee, Chong
format Working Paper
author Tiong-Lang, Tan
Kok-Swee, Sim
Aun-Kee, Chong
author_sort Tiong-Lang, Tan
title Contrast enhancement of CT brain images for detection of ischemic stroke
title_short Contrast enhancement of CT brain images for detection of ischemic stroke
title_full Contrast enhancement of CT brain images for detection of ischemic stroke
title_fullStr Contrast enhancement of CT brain images for detection of ischemic stroke
title_full_unstemmed Contrast enhancement of CT brain images for detection of ischemic stroke
title_sort contrast enhancement of ct brain images for detection of ischemic stroke
publisher Institute of Electrical and Electronics Engineers (IEEE)
publishDate 2012
url http://dspace.unimap.edu.my/xmlui/handle/123456789/21416
_version_ 1643793371974598656
score 13.250246

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