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

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

2005-03-22

2005-03-22

Boudreau, Leo (Department: 2621)

Image analysis

Applications

C382S233000

Reexamination Certificate

active

06870944

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:
Know: “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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