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18 Sep 2013 Fingerprint matching algorithm using shape context and orientation descriptors Fingerprint matching code using a hybrid descriptor. EER < 1% (approx. 0.75%) on FVC2002 Db1_A. Author: Joshua Abraham

I am studying your code for PLOTRIDGEORIENT..

i dont understand why following commands are used.. I am new to matlab/programming so pardon me for novice queries...

xoff = len/2*cos(s_orient);
[x,y] = meshgrid(spacing:spacing:cols-spacing, spacing:spacing:rows-spacing);

x = x-xoff;
u = xoff*2

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