Patent №
US 6,785,332
Granted
2004-08-31
Filed 2000
Owner
ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
+1 more
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
09463053
A method for marking a compressed digital video signal by embedding a digital signature in the compressed video signal, the signal representing a series of at least two video images, each image being divided into a plurality of regions, the signal including movement vectors representing the movement of the regions between the first and the second image, characterised in that it consists in modifying at least one of the coefficients X or Y of at least one of the movement vectors.
AI classification
Ownership
ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
assignment · 106340121
ALPVISION SA
assignment · 216300028
Assignors
EBRAHIMI, TOURADJ, KUTTER, MARTIN, JORDAN, FREDERIC
On an employer assignment, the assignors are typically the inventors.