EMBEDDER FOR EMBEDDING A WATERMARK IN A DATA REPRESENTATION, DETECTOR FOR DETECTING A WATERMARK IN A DATA REPRESENTATION, METHOD, COMPUTER PROGRAM, AND DATA SIGNAL

摘要

An embedder for embedding a watermark that is to be embedded in an input data representation comprises a watermark data recognition unit which is designed to recognize watermark data already contained in the input data representation. Said embedder further comprises a watermark adder which is designed to provide the input data representation with the watermark in accordance with the watermark data recognized by the watermark data recognition unit in order to obtain a data representation provided with the watermark that is to be embedded.