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This algorithm is designed for high-speed tracking of circles in a time-lapse series. The algorithm performs the full Hough circle transform on the first frame to find the initial radius and position of each circle. In subsequent frames, the algorithm then only performs a Hough transform near the centroid of each circle in subsequent frames. If the number of found circles drops below the minimum number of specified circles, the algorithm performs a full Hough circle transform on the next frame to try and find any circles missed in the local search.
=== Search Parameters ===