How can I Draw circles from matched points of stereo camera images.

Hello, I have left image and right image. I want to detect features and match the features from left and right images using SURF method. from the matched points in the left and right images, i want to calculate the midpoints(mean) and the variance. Using the mean and variance value, i want to illustrate circle in order to see how much the variance variate from its mean. Can you help me to do this task? Thanks you.

Answer 1

[David Sanchez]

once you have the coordinates of the circle's center (x,y), you can draw a circle of radius r with the following:

ang = 0:0.01:2*pi; 
xp = r*cos(ang);
yp = r*sin(ang);
plot( x+xp,y+yp );

[yatie SUAIB]

thank you, i'll try to do it according to your code.