Patent №
US 7,289,643
Granted
2007-10-30
Filed 2001
Owner
DIGIMARC CORPORATION
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
10027783
The present invention relates to deriving and utilizing content signatures. A content signature is a representation of a content item, which is derived from the content item itself. According to the invention, a method of generating a content signature for a signal is provided. The method includes the steps of: i) dividing the signal into at least one set; ii) transforming the set into a frequency-based domain; iii) determining features of the transformed set; and iv) grouping the features so as to form a content signature of the set.
AI classification
Ownership
DIGIMARC CORPORATION
assignment · 128850450
Assignors
BRUNK, HUGH L., LEVY, KENNETH L.
On an employer assignment, the assignors are typically the inventors.