(19)
(11) EP 1 356 683 A1

(12)

(43) Date of publication:
29.10.2003 Bulletin 2003/44

(21) Application number: 01273482.8

(22) Date of filing: 21.12.2001
(51) International Patent Classification (IPC)7H04N 7/26
(86) International application number:
PCT/IB0102/708
(87) International publication number:
WO 0206/0182 (01.08.2002 Gazette 2002/31)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.01.2001 EP 01200277
05.12.2001 EP 01204680

(71) Applicant: Koninklijke Philips Electronics N.V.
5621 BA Eindhoven (NL)

(72) Inventor:
  • LANGELAAR, Gerrit, C.
    NL-5656 AA Eindhoven (NL)

(74) Representative: White, Andrew G. 
Philips Intellectual Property & Standards,Cross Oak Lane
Redhill,Surrey RH1 5HA
Redhill,Surrey RH1 5HA (GB)

   


(54) WATERMARKING A COMPRESSED INFORMATION SIGNAL