Owner Lockheed Martin Corporation

Inventors Sutha, Surachai; Chen, Hai-Wen; Olson, Teresa L.

Agent Griffith Hack

Pub. Number AU-B-2004269298

PCT Pub. Number WO2005/022090

Priority 60/456,190 21.03.03 US

Filing date 18 March 2004

Wipo publication date 10 March 2005

Acceptance publication date 29 May 2008

G06F 19/00 (2006.01) Digital computing or data processing equipment or methods, specially adapted for specific applications

A61B 6/00 (2006.01) Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment

G01F 1/00 (2006.01) Measuring volume flow

G01N 23/04 (2006.01) Investigating or analysing materials by the use of wave or particle radiation not covered by group or , e.g. X-rays, neutrons

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

G06K 9/32 (2006.01) Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints - Aligning or centering of the image pick-up or image-field

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

G06K 9/46 (2006.01) 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

G06K 9/62 (2006.01) Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints - Methods or arrangements for recognition using electronic means