DIGITAL WATERMARKING OF BINARY DOCUMENT USING HALFTONING

Details for Australian Patent Application No. 2003217948 (hide)

Owner MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventors YU, Hong, Heather

Pub. Number AU-A-2003217948

PCT Number PCT/US03/06782

PCT Pub. Number WO2003/079277

Priority 10/095,493 12.03.02 US

Filing date 7 March 2003

Wipo publication date 29 September 2003

International Classifications

G06K 009/00 Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints

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

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 10/095,493 12.03.02 US

6 November 2003 Application Open to Public Inspection

  Published as AU-A-2003217948

2 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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