An added information encoding part repeatedly arranges two kinds of copy inhibition code arrays of the unit two-dimensional arrays to which copy inhibition codes are assigned, and condition code arrays of the unit two-dimensional arrays to which codes for removing the copy inhibition are assigned, into...http://www.google.es/patents/US7227661?utm_source=gb-gplus-sharePatente US7227661 - Image generating method, device and program, and illicit copying prevention system
Image generating method, device and program, and illicit copying prevention ...
