Image processing apparatus, image processing method,...

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

2008-07-15

2011-11-15

Le, Vu (Department: 2624)

Image analysis

Image enhancement or restoration

Object boundary expansion or contraction

Reexamination Certificate

active

08059906

ABSTRACT:
An image processing apparatus includes an extraction unit, a counting unit and an information embedding unit. The extraction unit extracts a circumscribed figure of a pixel block in an image. The counting unit counts contact portions between the circumscribed figure extracted by the extraction unit and the pixel block. The information embedding unit embeds information to be embedded by adjusting a number of the contact portions between the pixel block and the circumscribed figure extracted by the extraction unit based on the number of contact portions counted by the counting unit and the information to be embedded.

REFERENCES:
patent: 2003/0076979 (2003-04-01), Matsui
patent: 2006/0204096 (2006-09-01), Takebe et al.
patent: 2002-232698 (2002-08-01), None
patent: A 2002-232698 (2002-08-01), None
New U.S. Application filed on Jul. 15, 2008 in the name of Yasuhiko Iwamoto.

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