# Bresenham’s Circle Drawing Algorithm

Use this for FAST Keypoint.

This is actually a difficult problem that of discretizing a circle into pixels efficiently.

I smply use the mid-point circle drawing algorithm.

Resources

- https://www.geeksforgeeks.org/mid-point-circle-drawing-algorithm/
- https://www.geeksforgeeks.org/bresenhams-circle-drawing-algorithm/ (builds upon the previous article)
- https://en.wikipedia.org/wiki/Midpoint_circle_algorithm