WATERMARKING DIGITAL REPRESENTATIONS THAT HAVE UNDERGONE LOSSY COMPRESSION

Details for Australian Patent Application No. 2003291205 (hide)

Owner FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Inventors HORVATIC, Petar; SCHIFFNER, Norbert

Pub. Number AU-A-2003291205

PCT Number PCT/US2003/0381

PCT Pub. Number WO2004/051918

Priority 60/429,634 27.11.02 US

Filing date 26 November 2003

Wipo publication date 23 June 2004

International Classifications

H04L 009/00 Arrangements for secret or secure communication

G06K 015/00 Arrangements for producing a permanent visual presentation of the output data

H04N 001/40 Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission - Picture signal circuits

H04N 007/167 Television systems - Systems rendering the television signal unintelligible and subsequently intelligible

G06K 009/36 Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints - Image preprocessing, i.e. processing the image information without deciding about the identity of the image

G06K 009/46 Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints - Extraction of features or characteristics of the image

Event Publications

8 April 2004 Complete Application Filed

  Priority application(s): 60/429,634 27.11.02 US

29 July 2004 Application Open to Public Inspection

  Published as AU-A-2003291205

11 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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