How to convert a DICOM image into a specific Gray Scale ?

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Laki
Laki 2014-12-11
回答： yanqi liu 2021-12-27
Hi...
I'm Currently am working on Lung images which are in DICOM format. Nodules are best seen in 'Mediastinum WINDOW'. Various windows available in a external DICOM viewer software. ex. lung window, skull window, Bone window...etc
These windows are adjusted using two parameters: window Level (L) window width (W)
Values for mediastinum window is, L: 10 W: 450
How to implement the above values in Matlab ?
imadjust gives a image similar for values around L:-500 W:2000

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回答（2 个）

Image Analyst
Image Analyst 2014-12-11
You can pass in specific values for imadjust(). Or you can make up your own window/level curves and use intlut() to transform your image.
yanqi liu
yanqi liu 2021-12-27
yes，sir，may be use imtool to interactively adjust the grayscale parameters to view the effect

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