MATLAB: How to display the minutia points on the fingerprint thinned image knowing the X and Y co-ordinates and the angle if each minutia

fingerprintminutia points

Actually i have extracted the minutia points and it is stored in text file. i want to see them on the thinned image with different colors. Can anyone help me out?

Best Answer

If minutiae is an N by 2 array of the minutiae coordinates, then try this:
imshow(yourImage)
hold on;
for k = 1 : size(minutiae)
  x = minutiae(k, 1); % Extract x coordinate
  y = minutiae(k, 2); % Extract y coordinate
  plot(x, y, 'b*', 'MarkerSize', 10);
end
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