Different methods to find a form of rectangle Center and rotation in vision assistant

Hi This is my first shot at the machine vision and Vision Assistant tool. I am trying to find a rectangle shape in an image and determine its Center and rotation around the Center. I started with this image:

and I increased saturation and contrast to make a clearer target area:

I am interested in the main red rectangle turned about 5 degrees to the right. For me, it seems that there is enough contrast edges, but quickly, I tried some of the edge (including the rake) detection and pattern matching algorithms and I don't get any useful results. Maybe it's the white lines don't interfere. I tried to extract just the plan of the red color but as white also contains red these lines always appear.

I'm hoping to get some ideas for different approaches get precisely the Center and the rotation of this part, as well as the guidance you need to succeed. Thanks for the tips!

I would try to extract the rectangle using color thresholding.  Analysis of particles of use on the rectangular blob and you should be able to get a rotation value.

Bruce

Tags: NI Hardware

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