Image analysis – Image transformation or preprocessing – Combining image portions
Patent
1998-07-29
2000-03-28
Boudreau, Leo H.
Image analysis
Image transformation or preprocessing
Combining image portions
382115, 382276, 382279, 380 3, 380 4, 348584, G06K 936, G06K 15316, G11B 2328, H04L 900, H04N 974
Patent
active
060441828
ABSTRACT:
A method of embedding digital data in a source image includes the steps of: a) generating a multi-level data image representing the digital data; b) convolving the multi-level data image with an encoding carrier image to produce a frequency dispersed data image; and c) adding the frequency dispersed data image to the source image to produce a source image containing embedded data. The data is recovered from the image by: a) cross correlating the source image containing embedded data with a decoding carrier image to recover the data image; and b) extracting the digital data from the recovered data image.
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Daly Scott J.
Denber Michel
Hamilton John
Honsinger Chris W.
Squilla John R.
Boudreau Leo H.
Eastman Kodak Company
Mariam Daniel G.
Watkins Peyton C.
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