MATLAB: How to detect the center of a circle in an image using MATLAB

circlehoughimageImage Processing Toolbox

I have an image that contains circles. I would like to resolve the position of the each circle's center.

Best Answer

Hough transforms are used to detect shapes in an image.The function HOUGH implements the HOUGH transform. Documentation on the HOUGH function can be obtained by entering 'doc hough' at the MATLAB command prompt
The following submissions in MATLAB central have some handy examples on detecting circles:
1) https://www.mathworks.com/matlabcentral/fileexchange/9833-hough-transform-for-circle-detection
2) https://www.mathworks.com/matlabcentral/fileexchange/9168-detect-circles-with-various-radii-in-grayscale-image-via-hough-transform
Please Note that MathWorks does not guarantee or warrant the use or content of these submissions. Any questions, issues, or complaints should be directed to the contributing author.
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