MATLAB: I wanted to mark a point in the center of an image

Question

i wanted to mark a point in the center of an image(any input image given)… to show the center point of the image also a line passing thru the center point…. what shud i do? please reply..

Answer 1

[rows columns numberOfColorChannels] = size(yourImage);

y_center = rows / 2; x_center = columns / 2;