How to draw ROI on MRI images ?

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Johanna THAI
Johanna THAI 2021-6-9
评论： Rik 2021-6-10
Hi,
I am working on MRI images. My aim is to draw an ROI which are the kidneys on the images. And then I want to calculate the homogeneity, skewness, kurtosis, entropy and correlation.
How to draw an ROI to delimitate the kidneys ?
And how can I calculate homogeneity etc ?
Thnak you

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回答（1 个）

Rik
Rik 2021-6-9
drawpolygon should do the trick. Then createMask will get you a binary mask which you can use for further analyses.
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Johanna THAI
Johanna THAI 2021-6-9
Do you know how to calculate homogeneity from the ROI ?
Rik
Rik 2021-6-10
The top result on Google for 'image homogeneity matlab' is this page, which links to the documentation for graycoprops.
That took me 20 seconds. You could save 23 hours waiting on my response by trying Google first. If you don't find anything relevant you can post a comment with what you tried.

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