Patent · US Active

Full color visibility model using CSF which varies spatially with local luminance

US9805435B2 · kind B2 · utility

13Cited by

43References

20Claims

0Family size

Assignee

Digimarc Corporation · US

Inventors

Alastair M. Reed · Lake Oswego, US
Kristyn R. Falkenstern · Portland, US
David Berfanger · Vancouver, US
Yang Bai · Beaverton, US

Key dates

Filing date	Feb 7, 2017
Grant date	Oct 31, 2017
Priority date	—
Expiry date	Feb 7, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04N2201/3233
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The present disclosure relate generally to image signal processing, color science and signal encoding. Digital watermarking can be applied to color image data through use of a luminance contrast sensitivity function and a chrominance contrast sensitive function. Of course, other features, combinations and claims are disclosed as well.

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