Device for generating watermark metadata, associated device for embedding watermark

摘要

The invention relates to a device for generating metadata associated with a content intended to be watermarked with an identifier comprised in a watermark embedder, wherein the identifier is unknown from the device. The device comprises means for generating metadata comprising (i) instructions for deriving payload bits from said identifier, (ii) instructions for embedding each payload bit in said content; and means for transmitting metadata to a watermark embedder, wherein metadata dynamically drive the watermark embedder.