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

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

[Jingyang Xie]

Hello Laki, may I know if you have solved this problem? Thank you !

Answer 1

[Image Analyst]

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.

Answer 2

[yanqi liu]

yes，sir，may be use imtool to interactively adjust the grayscale parameters to view the effect