Steganographic Image Encoding

Details for Australian Patent Application No. 2003203958 (hide)

Owner Canon Kabushiki Kaisha

Inventors Tonisson, Alan Valev

Agent Spruson & Ferguson

Pub. Number AU-B-2003203958

Priority PS2068 01.05.02 AU

Filing date 1 May 2003

Wipo publication date 20 November 2003

Acceptance publication date 24 November 2005

International Classifications

G06T 005/00 Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image

G06T 009/00 Image coding, e.g. from bit-mapped to non bit-mapped

H04L 009/00 Arrangements for secret or secure communication

G06T 003/00 Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image

G09C 005/00 Ciphering or deciphering apparatus or methods not provided for in other groups of this subclass, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages

G06T 001/00 General purpose image data processing

Event Publications

22 May 2003 Complete Application Filed

  Priority application(s): PS2068 01.05.02 AU

20 November 2003 Application Open to Public Inspection

  Published as AU-B-2003203958

24 November 2005 Application Accepted

  Published as AU-B-2003203958

23 March 2006 Standard Patent Sealed

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