(19)
(11) EP 2 774 385 A1

(12)

(43) Date of publication:
10.09.2014 Bulletin 2014/37

(21) Application number: 12846172.0

(22) Date of filing: 02.11.2012
(51) International Patent Classification (IPC): 
H04N 21/8358(2011.01)
(86) International application number:
PCT/US2012/063431
(87) International publication number:
WO 2013/067439 (10.05.2013 Gazette 2013/19)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 03.11.2011 US 201113288958
03.11.2011 US 201113288937
03.11.2011 US 201113288945
03.11.2011 US 201113288952

(71) Applicant: Verance Corporation
San Diego, CA 92121 (US)

(72) Inventors:
  • PETROVIC, Rade
    San Diego, CA 92121 (US)
  • ATTI, Venkatraman
    San Diego, CA 92121 (US)

(74) Representative: Lind, Urban Arvid Oskar 
Awapatent AB P.O. Box 11394
404 28 Göteborg
404 28 Göteborg (SE)

   


(54) WATERMARK EXTRACTION BASED ON TENTATIVE WATERMARKS