color in circle radius to certain extent code example

Example 1: detect a circle in an image along with radius and color

[centers,radii] = imfindcircles(rgb,[20 25],'ObjectPolarity','dark', ...
    'Sensitivity',0.9)

Example 2: detect a circle in an image along with radius and color

imshow(rgb)

hBright = viscircles(centersBright, radiiBright,'Color','b');

Example 3: detect a circle in an image along with radius and color

rgb = imread('coloredChips.png');
imshow(rgb)