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09/30175552 DC : DRAFT OCT 2009

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS ISO/IEC 19794-2 - INFORMATION TECHNOLOGY - BIOMETRIC DATA INTERCHANGE FORMATS - PART 2: FINGER MINUTIAE DATA
Superseded date

01-31-2012

Published date

11-23-2012

1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Symbols (and abbreviated terms)
6 Minutiae Extraction
   6.1 Purpose
   6.2 Minutia Description
   6.3 Minutia Type
       6.3.1 General
       6.3.2 Unique Minutia
       6.3.3 Encoding Trifurcations
   6.4 Minutia Location
       6.4.1 General
       6.4.2 Coordinate System
       6.4.3 Minutia Placement on a Ridge Ending
             (encoded as Valley Skeleton Bifurcation Point)
       6.4.4 Minutia Placement on a Ridge Bifurcation
             (encoded as a Ridge Skeleton Bifurcation
             Point)
       6.4.5 Minutia Placement on a Ridge Skeleton Endpoint
       6.4.6 Usage of the Minutia Placement by the Record
             and On-Card Biometric Comparison Formats
   6.5 Minutiae Direction
       6.5.1 Angle Conventions
       6.5.2 Minutia Direction of a Ridge Ending (encoded
             as Valley Skeleton Bifurcation Point)
       6.5.3 Minutia Direction of a Ridge Bifurcation
             (encoded as Ridge Skeleton Bifurcation Point)
       6.5.4 Minutia Direction of a Ridge Skeleton End Point
   6.6 Core and Delta Placement
   6.7 Encoding of multibyte quantities
7 Finger Minutiae Format Types
   7.1 Overview
   7.2 Record Format
   7.3 On-Card Biometric Comparison Format
8 Finger Minutiae Record Format
   8.1 Introduction
   8.2 Record Organization
   8.3 General Record Header
       8.3.1 Format Identifier
       8.3.2 Version Number
       8.3.3 Length of Record
       8.3.4 Number of Finger Representations
       8.3.5 Device Certification Block Flag
   8.4 Single Finger Record Format
       8.4.1 Finger Header
       8.4.2 Finger Minutiae Data
   8.5 Extended Data
       8.5.1 Common Extended Data Fields
       8.5.2 Ridge Count Data Format
       8.5.3 Core and Delta Data Format
       8.5.4 Zonal Quality Data
9 Finger Minutiae On-Card Biometric Comparison Format
   9.1 Purpose
   9.2 On-Card Biometric Comparison Format
       9.2.1 Minutia Placement
       9.2.2 Encoding
       9.2.3 Minutia Position
       9.2.4 Minutia Type
       9.2.5 Minutia Angle
   9.3 Number of Minutiae, Minutiae Ordering Sequence
       and Truncation
       9.3.1 General Aspects
       9.3.2 Removing Minutiae for Card Processing
       9.3.3 Lack of Minutiae
       9.3.4 Biometric Matching Algorithm Parameters
       9.3.5 Number of Minutiae
   9.4 Minutiae Order
       9.4.1 Data Object for Minutiae Ordering
       9.4.2 Ordered Ascending
       9.4.3 Ordered Descending
       9.4.4 Cartesian x-y
       9.4.5 Cartesian y-x
       9.4.6 Angle
       9.4.7 Polar
       9.4.8 X or Y Coordinate Extension
   9.5 Usage of Additional Features for the On-Card Biometric
       Comparison Format
       9.5.1 Data objects for additional features
       9.5.2 Indication of card capabilities
10 Registered Format Type Identifiers
Annex A (normative) - Record Format Diagrams
   A.1 Overall Record Format
   A.2 Finger Record Header
   A.3 Single Finger Representation Record
   A.4 Finger Minutiae Data - Qualified Pixel Record Format)
   A.5 Finger Minutiae Data - Pixel Record Format
   A.6 Extended Data
Annex B (informative) - Example Data Record
   B.1 Data
   B.2 Example Data Format Diagrams
   B.3 Raw Data for the Resulting Minutiae Record
Annex C (informative) - Handling of Finger Minutiae Card
        Formats
   C.1 Enrollment
       C.1.1 Number of minutiae
       C.1.2 Number of required finger presentations
   C.2 Matching
       C.2.1 Matching conditions
       C.2.2 Retry Counter
   C.3 Security Aspects of Finger Minutiae Presentation to
       the Card
Annex D (normative) - Capture Device Certifications
   D.1 Image Quality Specification EBTS Appendix F
   D.2 Personal Identity Verification (PIV)
Annex E (informative) - Detailed description of finger
        minutiae location, direction, and type
   E.1 Scope
   E.2 Terms and definitions
   E.3 Minutiae detection strategy
       E.3.1 "Liberal-conservative" spectrum
       E.3.2 Fingerprint boundary
       E.3.3 Sweat pore
       E.3.4 Touching ridges
       E.3.5 Incipient ridge
       E.3.6 Crease
       E.3.7 Core
       E.3.8 Delta
   E.4 Minutia characteristics
       E.4.1 Rationale
       E.4.2 Minutia type
       E.4.3 Minutia location tools
       E.4.4 Ridge gradient method
       E.4.5 Valley skeletal bifurcation method
       E.4.6 Minutia quality
   E.5 Sample image
   E.6 Bibliography
Bibliography

Committee
IST/44
DocumentType
Draft
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

ISO/IEC 19794-4:2011 Information technology — Biometric data interchange formats — Part 4: Finger image data
ISO/IEC 7816-6:2016 Identification cards — Integrated circuit cards — Part 6: Interindustry data elements for interchange
ISO/IEC 8825-1:2015 Information technology ASN.1 encoding rules: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER) Part 1:
ISO/IEC 19785-3:2015 Information technology Common Biometric Exchange Formats Framework Part 3: Patron format specifications
ISO/IEC 24787:2010 Information technology Identification cards On-card biometric comparison
ISO/IEC 7816-4:2013 Identification cards Integrated circuit cards Part 4: Organization, security and commands for interchange
ISO/IEC 19794-1:2011 Information technology — Biometric data interchange formats — Part 1: Framework
ISO/IEC 7816-11:2004 Identification cards Integrated circuit cards Part 11: Personal verification through biometric methods

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