ImagePro>Count/Size using a a separate (thresholded) image?


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ImagePro>Count/Size using a a separate (thresholded) image?



When using the count/size command, I am required to select the intensity range for object selection.  However, I already have a binary (thresholded) image that I want to use to select the objects.  In other words, I want to define the objects in image 2 only if they are "on" (value=255) in image 1.  The objects so defined in image 2 will then be counted and density measured.
 
A workaround is to calculate (image 1 AND image 2) an put it in a new image 3. The counting and density measurements are then performed on image 3 after thresholding image 3.  This is however not very convenient, in particular since I have many images 2-50 that I would like to measure based on the binary image 1.
 
Is it possible to directly use a separate binarized image ("image 1") to measure a second image?
 
Thanks in Advance,
Rolf



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