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GRAPHIC PEN - AN ECONOMICAL SEMIAUTOMATIC FINGERPRINT READER (FROM CARNAHAN CONFERENCE ON CRIME COUNTERMEASURES - PROCEEDINGS, 1977, BY JOHN S JACKSON SEE NCJ-57737)

NCJ Number
57743
Author(s)
R T MOORE; J R PARK
Date Published
1977
Length
4 pages
Annotation
THE ROLE OF THE GRAPHIC PEN IN ENHANCING FINGERPRINT IDENTIFICATION IS DISCUSSED, WITH ATTENTION TO EXAMPLES OF ITS PERFORMANCE CAPABILITIES.
Abstract
PROGRESS IN THE DEVELOPMENT OF MINUTIAE-BASED SYSTEMS FOR AUTOMATIC FINGERPRINT IDENTIFICATION HAS HIGHLIGHTED THE NEED FOR AN ECONOMICAL SEMIAUTOMATIC DEVICE FOR READING DATA FROM LOW QUALITY IMPRESSIONS, SUCH AS LATENT OR SCENE-OF-CRIME PRINTS. WITH A SEMIAUTOMATIC READER, THE SUPERIOR PATTERN RECOGNITION CAPABILITIES OF THE HUMAN CAN BE SUPPORTED BY THE ACCURACY AND FIDELITY OF MACHINE RECORDING TO YIELD MINUTIAE DATA OF A QUALITY THAT IS UNATTAINABLE BY A FULLY AUTOMATIC FINGERPRINT READER. SEVERAL SEMIAUTOMATIC FINGERPRINT READERS HAVE BEEN IMPLEMENTED USING A VARIETY OF TECHNICAL APPROACHES. OF THESE, THE GRAPHIC PEN IS NOVEL CHIEFLY BECAUSE OF ITS SIMPLICITY AND ECONOMY. IT CAN FUNCTION IN CONJUNCTION WITH A LOCAL OR REMOTE TERMINAL ON ANY GIVEN GENERAL-PURPOSE COMPUTER SYSTEM AND IT REQUIRES LITTLE OR NO CHANGES TO EXISTING TELEPROCESSING SOFTWARE. MINUTIAE POSITION AND ORIENTATION DATA ARE READ WITH EIGHT BITS RESOLUTION AND WITH AN ACCURACY AND REPEATABILITY OF PLUS OR MINUS 1/2 LBS. A BIBLIOGRAPHY IS INCLUDED. (AUTHOR ABSTRACT MODIFIED--KBL)

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