Drawing ROI on video frame
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Hi all, I am currently working a project on vehicle detection. The problem I encounter is that when I draw the ROI on the video frame using impoly and obtain the coordinates of the polygon using getPosition. However, when i try to show it with shapeinserter, it says the point input must be M by 2L matrix. but isn't that the type of matrix from getPosition is also n by 2?
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Image Analyst
on 28 Mar 2014
Try just putting it up with plot(). I do it all the time over a live image and it works fine.
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