Circle on binary image

Hello every one!! i am new to matlab and i want to write circles on an image. h=viscircles(centers,radii,'Color','k','LineWidth',wid); will someone help me that how to draw the circles(by assigning the value of h or any other procedure) on a white binary image of 256*256 pixels

Answer 1

[Akira Agata]

The following example displays a blue circle whose radius and center are 50 pixel and (100,100), respectively.

% 256x256 binary image (white)
I = ones(256);

% Display a blue circle on the image
imshow(I)
hold on
viscircles([100,100], 50,'Color','b')

[liang ro]

thank you!!