Machine Vision

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ROI in Motion Detection

Hi all!!

It's possible apply a ROI function on the motion detection alg (http://decibel.ni.com/content/docs/DOC-4717) to detecting movement ONLY in a specified area?? Thank You very mutch!

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Message 1 of 6
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Sure. Just use IMAQ ROItoMask and then IMAQ Mask before (or after) calculation of Absolute Difference.

 

Andrey.

 

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Can you attach an VI example of this??
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redmercury wrote:
Can you attach an VI example of this??

Something like that:

 

i8.png

 

 

result (take a note that my camera deliver RGB image, so the original example is slightly modified):

 

i7.png

 

VI in attachment.

 

Andrey.

 

Message 4 of 6
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Thanks a lot but i have a version 8.5 of lab and i can't open your file 😞

I can try to apply the IMAQ mask on my Vi but the recognize system not work only in a specific area...

I attach here my modiefied version of Motion dection (my version can register on avi file), can you modify my version to apply roi?? i'm desperate!! 😞

Thanks a lot for you time!

Bye

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Message 5 of 6
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I Have solved!!

Thank You!!

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