Receiving apparatus, transmitting apparatus , and communication system which utilize a watermark insertion technique
AssigneeNEC Corporation
InventorSHIRO FUJIHARA
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Abstract
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.
Claims8
A receiving apparatus for use in reception of an image datum to which a specified datum is inserted as a watermark by a watermark insertion technique, said image datum representing an image, said specified datum representing a specified process for said receiving apparatus, said receiving apparatus comprising:
- receiving means for receiving said image datum;
- producing means connected to said receiving means and responsive to said image data for producing said image;
- and
- processing means connected to said receiving means and responsive to said image datum for processing said specified datum to execute said specified process.
A transmitting apparatus for use in transmission of an image datum towards a receiving apparatus, said image datum representing an image, said transmitting apparatus comprising:
- an insertion circuit for inserting a specified datum as a watermark into said image datum by a digital watermark insertion technique, said specified datum representing a specified process for said receiving apparatus;
- and
- transmission executing means connected to said insertion circuit for executing transmission of said image datum.
Dependencies are inferred from the claim text.