Method and system for marking and identifying data.

摘要

The information being digitised in the form of successive information words Mi consisting of a set of bits, these words being organised into a sequential arrangement, the method consists in associating with the information words Mi, coded identification data transparent relative to the digitised information, these identification data being capable of being associated by specific coding of one of the bits of the information words Mi or by labelling one of the bits of the latter to constitute the identification data. Application to the marking and protection of digitised data such as sound or video information data for stationary images or television images. <IMAGE>