Image processing apparatus

Details Image processing apparatus Image processing apparatus

2005-06-28

2005-06-28

Lee, Thomas D (Department: 2624)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S002100

Reexamination Certificate

active

06912069

ABSTRACT:
Additional data is embedded in a printed image in a way that makes the additional data unrecognizable to eyes and recognizable without fail by an image input apparatus. An image processing apparatus of the present invention has: an average calculation unit as a density value detection part that detects the density value of a predetermined color component of image data representing a nearby image in the vicinity of an image to which additional data is to be added; a pattern selection unit that decides a pattern which is larger in area at the larger density value detected by the average calculation unit and has a shape corresponding to the value of the additional data to be added to the image; and an addition processing unit that superimposes the pattern decided by the pattern selection unit on image data representing the image.

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patent: 10-51650 (1998-02-01), None
patent: 11-205577 (1999-07-01), None

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