RECEIVING APPARATUS, TRANSMITTING APPARATUS , AND COMMUNICATION SYSTEM WHICH UTILIZE A WATERMARK INSERTION TECHNIQUE

摘要

In a communication system, a transmitting device transmits an image datum to which a specified datum is inserted as a watermark by a digital watermark insertion technique. The image datum represents an image. The specified datum represents a specified process for a receiving apparatus for receiving the image datum. In the receiving apparatus, a processing arrangement is responsive to the image datum and processes the specified datum to execute the specified process. A producing arrangement is responsive to the image data and produce the image.