How to change image data range ? [problem imcontrast]

Hello,

I have a problem with imcontrast tool. I read an dicom 2D Image, then convert it to 16bits(im2uint16)and perform filtration and windowing using imcontrast. It shows me a warning message: (I attach a screenshot)

How Can I prevent then ? How can I change data range in imtool ?

I would appreciate for any help please.

Answer 1

[Walter Roberson]

http://www.mathworks.com/help/images/ref/imcontrast.html

Notice the "Scale Display Range" button to "Match Data Range". Make sure that button is enabled.