Re: Specifying ROI based on grayscale values?

Posted by dscho on Dec 17, 2007; 10:48am
URL: http://imagej.273.s1.nabble.com/Specifying-ROI-based-on-grayscale-values-tp3697744p3697747.html

Hi,

On Sun, 16 Dec 2007, Pang, Zhengyu (GE, Research) wrote:

> Thanks for your help. It is very useful. Additional question, what is
> the difference between create mask and create selection?  Are they same?

No.  A mask is a (different) binary image, whereas the selection operates
on the current image.  Just try both to see the difference.

Ciao,
Dscho