Region extracting method for medical image

Details Region extracting method for medical image Region extracting method for medical image

2006-05-16

2006-05-16

Ahmed, Samir (Department: 2625)

Image analysis

Applications

Biomedical applications

Reexamination Certificate

active

07046833

ABSTRACT:
From CT images having captured an abdomen, a two-dimensional characteristic space is assumed, in which X and Y axes indicate CT values of image data taken in first and second time phases different from each other. In this space, a two-dimensional histogram concerning respective pixels located at the same position in the two time phases is taken as a sample distribution of pixels. A two-variable distribution function is applied to this sample distribution, so as to estimate a matrix distribution of pixels corresponding to the whole liver region. According to this matrix distribution, a range of CT value of pixels corresponding to the liver region is estimated.

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Masumoto, Jun, “Automatic Liver Segmentation Using Different Time Series of Multi-Slice CT Images,” IEICE Technical Report, Institute of Electronics, (Nov. 1999), pp. 51-58.

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