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A Study on Segmentation and Volume Calculation of the White Matter and Gray Matter for Brain Image Processing  

Kim, Shin-Hong (Dept. of Internet Information, Juseong College)
Publication Information
전자공학회논문지 IE / v.43, no.4, 2006 , pp. 21-27 More about this Journal
Abstract
This paper is for the segmentation and volume calculation of the white matter and gray matter from brain MRI. We segment white matter, gray matter and CSF from the Brain image in the normal and abnormal person, and calculate the volume of segmented tissue. In this paper, we present a new method of extracting white matter, gray matter and CSF and calculation its volume from MR images for brain. And we have developed the determining method of threshold that can extract white matter and gray matter from MR image for brain through the analysis of gray values represented by ratio of each component. We proposed the calculation method of volume for white matter and gray matter by using number of extracted pixels in each slice. This algorithm input CSF/Head volume ratio and age of patient and calculates discriminant value through discriminant expression, classifies normal and abnormal using calculated discriminant value. As a result, we could blow that white matter and gray matter volume decrease and CSF volume increase as we grow gold.
Keywords
MRI; White matter; Gray matter; CSF;
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