Encoding device, decoding device, and printed matter

Details Encoding device, decoding device, and printed matter Encoding device, decoding device, and printed matter

2006-02-10

2010-02-16

Tabatabai, Abolfazl (Department: 2624)

Image analysis

Applications

C358S003280, C358S539000

Reexamination Certificate

active

07664291

ABSTRACT:
In an encoding device that creates an image in which data is embedded, an embedding unit divides an image into a plurality of blocks, and embeds data in the image based on a difference in value of characteristics of adjacent blocks; and a restriction information recording unit records use restriction information that restricts use of embedded data.

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Christoph Dautzenberg, “Watermarking images”, Department of Microelectronics and Electrical Engineering, Trinity College Dublin, Oct. 1994.

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