Patent · US Active

Signature derivation for images

US8406462B2 · kind B2 · utility

9Cited by

2References

26Claims

0Family size

Assignee

Dolby Laboratories Licensing Corporation · US

Inventors

Regunathan Radhakrishnan · Foster City, US
Claus Bauer · Cologne, DE

Key dates

Filing date	Aug 17, 2009
Grant date	Mar 26, 2013
Priority date	—
Expiry date	Nov 23, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06T2201/0065
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Deriving a fingerprint of an image corresponding to media content involves selecting at least two different regions of the same image, determining a relationship between the two regions, and deriving a fingerprint of the image based on the relationship between the two regions of the image.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.