ANSI/NIST-ITL 1-2011 - NIST Visual Image Processing Group ...

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ANSI/NIST-ITL 1-2011Data Format for the Interchange of Biometric and Forensic Information26.3 Field 99.004: Source agency / ORI / SRC........................................... 25526.4 Field 99.996: BDB hash / HAS............................................................ 25726.5 Field 99.997: Original image reference / OIR..................................... 25826.6 Field 99.998: Geographic sample location / GEO............................... 25827 Handling Records for Another individual..................................................... 25828 Normative References ................................................................................ 25829 Definitions ................................................................................................... 261xiiFiguresFigure 1 Byte and bit ordering............................................................................... 4Figure 2 Order of the Scanned Image ............................................................. 10Figure 3 M1-378 / ISO 19794-2 Minutiae angle components......................... 42Figure 4: EFS Region of interest.................................................................. 51Figure 5: EFS Measurement of angles ......................................................... 51Figure 6: EFS Decision process for local friction ridge quality................. 55Figure 7: Example of orientation: -25 ± 20 degrees....................................... 67Figure 8: Palm and finger segment positions. ............................................ 70Figure 9: EFS Use of polygons to mark multiple finger segments .............. 71Figure 10: EFS Use of polygons to mark multiple areas within a palmimpression......................................................................................................... 72Figure 12: EFS Examples of off-center fingerprint positions ....................... 73Figure 12: Placement of the core at the focus of the innermost recurvingridgeline 85Figure 13: Examples of core locations for a double loop whorl, plain whorl,tented arch, and central pocket loop whorl.................................................... 86Figure 14: Palm with carpal delta and inter-digital deltas 7-10 marked....... 90Figure 15: EFS Lateral center example ........................................................ 93Figure 16: EFS Uppermost point of the ridge with greatest curvature. ... 93Figure 17: EFS Overall fingerprint focal point ............................................... 94Figure 18: EFS Minutia placement for a bifurcation. ................................. 96Figure 19: EFS Minutia placement for a ridge ending. ............................... 96Figure 20: EFS Minutia placement when type is unknown. ...................... 97
ANSI/NIST-ITL 1-2011Data Format for the Interchange of Biometric and Forensic InformationFigure 22: EFS Locations of major flexion creases .................................. 106Figure 23: EFS Examples of areas and points of correspondence in rolledexemplar, latent, and plain exemplar images............................................... 118Figure 24: EFS Examples of the use of IDC references in Areas ofCorrespondence for more than 2 images..................................................... 119Figure 25: Example of interrelationships between minutiae, withconnecting ridge path segments highlighted .............................................. 126Figure 26: Examples of fingerprint, skeletonized representation, andoverlay of original / skeleton / quality map .................................................. 126Figure 27: Examples of minutiae of uncertain type and radii ofuncertainty, without and with ridge segments............................................. 127Figure 28: Examples of resolution for levels 30, 40, & 50/51...................... 138Figure 29 Feature point codes defined in ISO/IEC 14496-2 ........................ 150Figure 30 Eye and nostril center feature points........................................... 151Figure 32 Anthropometric facial landmarks ................................................ 153Figure 34Entire joint image............................................................................ 176xiii
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