Global Patent Index - EP 1279280 A1

EP 1279280 A1 20030129 - METHOD AND DEVICE FOR CONTROLLING MULTIMEDIA DATA WATERMARK

Title (en)

METHOD AND DEVICE FOR CONTROLLING MULTIMEDIA DATA WATERMARK

Title (de)

KONTROLLVERFAHREN UND -GERÄT FÜR WASSERZEICHEN VON MULTIMEDIADATEN

Title (fr)

PROCEDE ET DISPOSITIF DE CONTROLE DE TATOUAGE DE DONNEES MULTIMEDIA

Publication

EP 1279280 A1 20030129 (FR)

Application

EP 01929764 A 20010427

Priority

  • FR 0101332 W 20010427
  • FR 0005616 A 20000503

Abstract (en)

[origin: WO0184825A1] The invention concerns a method for controlling multimedia data watermark, which consists in performing a first detection operation for detecting a first type of watermark and at least a second detection operation (602) for detecting at least a second type of watermark.

IPC 1-7

H04N 1/32

IPC 8 full level

G06T 1/00 (2006.01); G09C 5/00 (2006.01); H04N 1/32 (2006.01); H04N 1/387 (2006.01); H04N 5/91 (2006.01); H04N 7/08 (2006.01); H04N 7/081 (2006.01); H04N 21/8358 (2011.01)

CPC (source: EP KR US)

G06T 1/0071 (2013.01 - EP US); H04N 1/32144 (2013.01 - EP US); H04N 1/32299 (2013.01 - EP US); H04N 21/8358 (2013.01 - KR); G06T 2201/0065 (2013.01 - EP US)

Citation (search report)

See references of WO 0184825A1

Citation (examination)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 0184825 A1 20011108; AU 5645001 A 20011112; CN 1191542 C 20050302; CN 1426656 A 20030625; EP 1279280 A1 20030129; FR 2808642 A1 20011109; FR 2808642 B1 20020816; JP 2004526338 A 20040826; JP 4509456 B2 20100721; KR 100795059 B1 20080117; KR 20020091237 A 20021205; MX PA02010562 A 20030310; US 7167599 B1 20070123

DOCDB simple family (application)

FR 0101332 W 20010427; AU 5645001 A 20010427; CN 01808584 A 20010427; EP 01929764 A 20010427; FR 0005616 A 20000503; JP 2001581524 A 20010427; KR 20027014233 A 20021023; MX PA02010562 A 20010427; US 27503302 A 20021030