An identification information apparatus detects first and second boundary position information representing boundary positions on a high-order bit side and a low-order bit side of codes formed of components, extracts a colluder group matching with a set of the first and second boundary position information...http://www.google.fr/patents/US7346777?utm_source=gb-gplus-shareBrevet US7346777 - Identification information embedding apparatus and identification information analysis apparatus
Identification information embedding apparatus and identification ...
