Image processing apparatus, image processing method, and...

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

2005-09-06

2005-09-06

Mehta, Bhavesh M. (Department: 2621)

Image analysis

Applications

C382S222000, C382S233000, C382S235000

Reexamination Certificate

active

06940996

ABSTRACT:
An image processing apparatus embeds information into image data without an overhead. The image processing apparatus includes a selection unit for selecting some of the pixels forming the image data. A changing unit embeds the information into the pixels selected by the selection unit by swapping the bits of the values of the selected pixels according to the information.

REFERENCES:
patent: 4750212 (1988-06-01), Yokomizo
patent: 4893187 (1990-01-01), Tsujimoto et al.
patent: 6157739 (2000-12-01), Yazawa et al.
KNOX: “Reversible Digital Images” Proceedings of The SPIE, vol. 3657, Jan. 25-27, 1999, pp. 397-401, XP000949157 San Jose, CA USA.

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