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Maurice Rahme

Object Tracking using Detection as ROI ref

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Hello, 

I'm trying to implement an object tracking in LabVIEW. I've written a VI (attached) to detect and locate the centroid of elliptical shapes (because my circular subject can possibly be rotated and appear as an ellipse). However, the detection is not successful on every frame.

For this reason, I would like to use the object detection method I've written as a ROI reference for an object tracker, whereby the object detector runs every 10-20 frames or so to make sure the tracker has not accumulated too much error. Any advice on how I can do this? Thanks! 

Additionally, any criticism or advice on my object detection method would be appreciated. 

Vision.vi

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Hard to comment too much without some example images. I think you are on the right track to do an object detection with a more primitive image processing step to recenter the ROI and mitigate errors, but can't really comment further without a handful of images for context.

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