How can I after compare from 2 images automatic mark the image differenz?

Hello Everybody.
I
have a question again, there are a photo A and a photo B here, after the subtract from A and B I have got a
comparative photo C, anywhere where black are no
changes. So the color envelope are the changes.
I would like to track the changes, and I want to make a program like that:
This LabVIEW program knows the color changes from the image C (where not black were), it must
AUTOMATICALLY remember each color changes, define the size of the framework for each color charges and draw each changes with a framework in the photo A (as well as photo D), is it possible?
Can you help me? Please put a sample workflow, thank you in advance!
Regarts,
Johnny
Attachments:
Photo C + D.JPG ‏72 KB
Photo A.JPG ‏101 KB
Photo B.JPG ‏101 KB

Hello, Mike,
thank you for your help, it works.
Maybe I am not so clever, I can not unterstand your program very well.
I have 2 questions:
1. I need a little larger rectangle for the images, because the images are not subscribed fully, and there is no problem if the environments are there. On which position or in which case can I enlarge the size for that?
Please look the word file "now" and "wanna".
2. How can I draw the red rectangles direct for each changes on the Photo A.bmp? On which case or on which position of your program must I edit? And how?
Please look the Photo D.bmp. There is also no problem if the red rectangles litte larger as the objects.
Thanks a lot!
Regarts,
Johnny
Attachments:
now and wanna.zip ‏8 KB
Photo D.zip ‏70 KB

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