How can I calculate area of target object with Calibrated Camera
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I have followed the url [http://in.mathworks.com/help/vision/examples/measuring-planar-objects-with-a-calibrated-camera.html] to get idea on Measuring Planar Objects with a Calibrated Camera. The example provides codes to measure the diameter of coins. I believe the same code will help detect any other target object (circle/square etc). However, I would like to measure the area of the target object. Please help me on measuring area of target object.
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Dima Lisin
le 24 Fév 2016
That would depend on the object. If it is circle, and you can measure its diameter, then you can calculate its area as pi*r^2. If it is a square, then you would need to detect its corners in the image, find their world coordinates, measure the side of the square and calculate its area.
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