Circles Detection using Hough Transform

The code detects the circles in an image using Hough Transform.

Complete Algorithm Steps
% 1. Reading an Image
% 2. Convert to GrayScale
% 3. Detecting Edges
% 4. Defining an Accumulator Matrix
% 5. Finding the Circles Centers with Equation of Circle Using value of Radius
% 6. Assigning Values in the Accumulator Matrix
% 7. Finding Peak Values (Centre of Circles)
% 8. Plotting Circles on Original Colour Image