Image processing apparatus, image processing method,...

Details Image processing apparatus, image processing method,... Image processing apparatus, image processing method,...

2005-06-14

2009-11-03

Bella, Matthew C (Department: 2624)

Image analysis

Applications

C358S003280

Reexamination Certificate

active

07613317

ABSTRACT:
There is provided a message processing apparatus including an image inputting unit for inputting a document image, an extracting unit for extracting a character image from the input document image, and an embedding unit for embedding watermark message by correcting a density value of the extracted character image.

REFERENCES:
patent: 5363212 (1994-11-01), Taniuchi et al.
patent: 7376242 (2008-05-01), Bradley et al.
patent: 2004/0181671 (2004-09-01), Brundage et al.
patent: 2004/0223627 (2004-11-01), Shi et al.
patent: 1404298 (2003-03-01), None

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