Distortion-free image contrast enhancement

Details for Australian Patent Application No. 2001272251 (hide)

Owner Athentech Technologies Inc.

Inventors James, Brian G.

Agent Davies Collison Cave

Pub. Number AU-B-2001272251

PCT Pub. Number WO02/05206

Priority 09/611,773 07.07.00 US

Filing date 5 July 2001

Wipo publication date 21 January 2002

Acceptance publication date 27 July 2006

International Classifications

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

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

G06T 5/00 (2006.01) Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image

G06T 5/20 (2006.01) Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image - by the use of local operators

G06T 5/40 (2006.01) Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image - by the use of histogram techniques

Event Publications

27 July 2006 Application Accepted

  Published as AU-B-2001272251

23 November 2006 Standard Patent Sealed

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