Patent · US Active

Content identification and quality monitoring

US8428301B2 · kind B2 · utility

4Cited by

5References

26Claims

0Family size

Assignee

Dolby Laboratories Licensing Corporation · US

Inventors

Regunathan Radhakrishnan · Foster City, US
Jeffrey Riedmiller · Penngrove, US
Claus Bauer · Cologne, DE
Wenyu Jiang · Beijing, CN

Key dates

Filing date	Aug 21, 2009
Grant date	Apr 23, 2013
Priority date	—
Expiry date	Nov 16, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04N17/004
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Content identification and quality monitoring are provided. The method involves obtaining a first fingerprint derived from a first media content, processing the first media content to generate a second media content, obtaining a second fingerprint derived from the second media content, and comparing the first fingerprint and the second fingerprint to determine one or more of: a similarity between the first fingerprint and the second fingerprint that indicates that the second media content is generated from the first media content or a difference between the first fingerprint and the second fingerprint to identify a quality degradation between the first media content and the second media content.

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