Many-Times Method for Authentication (Noar-Pinkas Many-Times Method)
ƒü SECURITY PARAMETERS : the grid to be identified is of size r'¡Ñc' pixels ; r0 and c0
ƒý THE SIZE OF THE ORIGINAL IMAGE : r¡Ñc, where r=r0+nrr' and c=c0+ncc'.
ƒþ HOW MANY TIMES : the image can be used for n=nr¡Ñnc times authentication.
„@ A RANDOM NUMBER STARTING POINT : (i0, j0), where 1¡Øi0¡Ør0, 1¡Øj0¡Øc0.