Patent №
US 7,203,335
Granted
2007-04-10
Filed 2001
Owner
EASTMAN KODAK COMPANY
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
09923583
A method for extracting a watermark signal contained in a watermarked digital image sequence having two or more frames, including the steps of estimating correspondences between one or more pairs of frames in the watermarked digital image sequence; computing a displaced frame difference for one or more frames in the watermarked digital image sequence using the correspondences; and extracting the watermark signal from one or more displaced frame differences.
AI classification
Ownership
EASTMAN KODAK COMPANY
assignment · 124880493
Assignors
FIELDING, GABRIEL, JONES, PAUL W.
On an employer assignment, the assignors are typically the inventors.