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I want to finding x,y coordinate of a white dot in a black cycle, and store the x,y coordinate in the variable array.

*Example Image*

halfer
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Wein
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    http://stackoverflow.com/questions/15878325/what-are-the-possible-fast-ways-to-detect-circle-in-an-image here is a place to start, even though it doesn't describe the principles in C# you might still get the idea. – Teknikaali Sep 02 '13 at 19:33

1 Answers1

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you can convolute your image with a kernel that resembles that white dot with the black circle. local maxima in the output will give you the object positions.

Sebastian Steger
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