Automated Fingerprint Identification, Volume 13A procedure is described for determining whether two fingerprint impressions were made by the same finger.The procedure uses the x and y coordinates and the individual directions of the minutiae (ridge endings and bifurcations).The identity of two impressions is established by computing the density of clusters of points involving the differences in coordinates that are found in going from one of the fingerprint impression to the other.Experimental results using machine-read minutiae data are given along with results from a previously reported procedure that utilized constellations of minutiae in its matching process.(Author). |
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Page 1
... minutiae data are given along with results from a previously reported procedure that utilized - constellations of minutiae in its matching process . Key words : Computerized - fingerprint - identification , fingerprint , pattern ...
... minutiae data are given along with results from a previously reported procedure that utilized - constellations of minutiae in its matching process . Key words : Computerized - fingerprint - identification , fingerprint , pattern ...
Page 4
... minutiae ( a constellation ) in one print that approximately coincide with a similar constellation from another print . Relative positions of the minutiae ... data storage required , only a portion of the available minutiae from a fingerprint ...
... minutiae ( a constellation ) in one print that approximately coincide with a similar constellation from another print . Relative positions of the minutiae ... data storage required , only a portion of the available minutiae from a fingerprint ...
Page 5
... minutiae from impression IIP2 are superimposed on minutiae from impression IIP8 in Figure 6. Both impressions are ... data from four prints will be used . In Figure 8 , the print A and B data are from two different prints made by the ...
... minutiae from impression IIP2 are superimposed on minutiae from impression IIP8 in Figure 6. Both impressions are ... data from four prints will be used . In Figure 8 , the print A and B data are from two different prints made by the ...
Page 9
... minutiae data was read by machine from standard fingerprint cards . The prints were selected as " good looking " rolled prints . Each print was manually positioned in the reader so that the estimated center of the inked impression was ...
... minutiae data was read by machine from standard fingerprint cards . The prints were selected as " good looking " rolled prints . Each print was manually positioned in the reader so that the estimated center of the inked impression was ...
Page 10
... minutiae in each print . Run 282 using the M27 matcher took an average time of 0.1667 seconds to compare a pair of prints . Run 286 using the M19 matcher on the same data took an average time of 0.0845 seconds to compare a pair of ...
... minutiae in each print . Run 282 using the M27 matcher took an average time of 0.1667 seconds to compare a pair of prints . Run 286 using the M19 matcher on the same data took an average time of 0.0845 seconds to compare a pair of ...
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28 prints Automated Fingerprint Identification Bureau of Standards centered closed task compare a pair comparison of print constellation difference table different fingers Discrimination Graph false matches false minutiae Figure 13 Figure 20 file print file search finger-box fingerprint impression Flow Chart Graph for Prints Henry system IMX2 M27 matcher matching procedure matching runs minutia 79 minutiae data Minutiae from Print MINUTIAE READER National Bureau NBS TECHNICAL NOTE number of false number of minutiae number of steps open task pair of prints pairs of minutiae pattern recognition peak Plain Prints points positioned print from set Print IIP prints being compared read by machine read manually rolled prints score matrix scores with set-pairs search prints Set XXVI set XXX shown in Figure statistical matchers Superimposed Minutiae Tracings Table for Prints Threshold Score total number Tracings from Prints U.S. Government Printing unknown print Wegstein yields a score