Owner Lucent Technologies Inc.

Inventors Zarrabizadeh, Mohammad Hossein

Agent Spruson & Ferguson

Pub. Number AU-B-2004214560

Priority 10/673892 29.09.03 US

Filing date 24 September 2004

Wipo publication date 14 April 2005

Acceptance publication date 18 February 2010

H04N 11/00 (2006.01) Colour television systems

G06K 9/00 (2006.01) Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints

G06K 9/36 (2006.01) 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

G06T 1/00 (2006.01) General purpose image data processing

H04L 9/00 (2006.01) Arrangements for secret or secure communication

H04N 1/387 (2006.01) Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission - Composing, repositioning or otherwise modifying originals

H04N 1/40 (2006.01) Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission - Picture signal circuits

H04N 1/46 (2006.01) Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission - Colour picture communication systems

H04N 1/60 (2006.01) Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission - Colour correction or control

H04N 5/445 (2006.01) Details of television systems - for displaying additional information

H04N 5/913 (2006.01) Details of television systems - for scrambling

H04N 7/025 (2006.01) Television systems - Systems for transmission of digital non-picture data, e.g. of text during the active part of a television frame

H04N 7/08 (2006.01) Television systems - Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band

H04N 7/081 (2006.01) Television systems - the additional information signals being transmitted by means of a subcarrier

H04N 7/16 (2006.01) Television systems - Secrecy systems

H04N 7/24 (2006.01) Television systems - Systems for the transmission of television signals using pulse code modulation

H04N 7/26 (2006.01) Television systems - using bandwidth reduction

H04N 11/24 (2006.01) Colour television systems