i wanna make direction image of figerprint to extract features.. plz kindly help me..

plz if any1 hv idea about direction images .... any research paper link then plz reply here

<removed> my project is biometric(fingerprint) based file encryption... my Question i have done edge detection by using MATLAB edge function but now i want to plot detected edges in graph...

<removed> my project is biometric(fingerprint) based file encryption... my Question i have done edge detection by using MATLAB edge function but now i want to plot detected edges in graph...