Types (mostly) mirroring the ANSI/NIST-ITL Type 9 Extended Feature Set. More...

Classes
struct	Core
	Singular point of focus of innermost recurving ridge. More...

struct	CorrespondenceRelationship
	Relationship between probe and reference features. More...

class	Crease
	Friction ridge linear flexion creases. More...

struct	Delta
	Singular point of ridge divergence. More...

struct	Features
	Collection of ANSI/NIST-ITL 1-2011 (Update: 2015) Extended Feature Set fields understood by FRIF. More...

struct	Minutia
	Friction ridge feature details. More...

class	PatternClassification
	Classification of friction ridge structure. More...

struct	RidgeQualityRegion
	Region defined in a map of ridge quality/confidence. More...

Typedefs
using	IMP = Impression
	Convenience Impression type using ANSI/NIST-ITL mnemonic.

using	FCT = FrictionRidgeCaptureTechnology
	Convenience FrictionRidgeCaptureTechnology type using ANSI/NIST-ITL mnemonic.

using	FGP = FrictionRidgeGeneralizedPosition
	Convenience FrictionRidgeGeneralizedPosition type using ANSI/NIST-ITL mnemonic.

using	LPM = ProcessingMethod
	Convenience LatentProcessingMethod type using ANSI/NIST-ITL mnemonic.

using	GCF = PatternGeneralClassification
	Convenience PatternGeneralClassification type using ANSI/NIST-ITL mnemonic.

using	PatternSubclassification
	Subclassification of PatternClassification.

using	SUB = PatternSubclassification
	Convenience PatternSubclassification type using ANSI/NIST-ITL mnemonic.

using	WDR = WhorlDeltaRelationship
	Convenience WhorlDeltaRelationship type using ANSI/NIST-ITL mnemonic.

using	EAA = ValueAssessment
	Convenience ExaminerValueAssessment type using ANSI/NIST-ITL mnemonic.

using	TOC = CorrespondenceType

using	CreaseClassification
	Collection of crease types.

Enumerations
enum class	Impression { PlainContact = 0 , RolledContact = 1 , Latent = 4 , LiveScanSwipe = 8 , PlainContactlessStationary = 24 , RolledContactlessStationary = 25 , Other = 28 , Unknown = 29 , Contactless = 43 }
	Friction ridge impression types from ANSI/NIST-ITL 1-202X. More...

enum class	FrictionRidgeCaptureTechnology { Unknown = 0 , ScannedInkOnPaper = 2 , OpticalTIRBright = 3 , OpticalDirect = 5 , Capacitive = 9 , Electroluminescent = 11 , LatentImpression = 18 , LatentLift = 22 }
	Capture device codes from ANSI/NIST-ITL 1-2011 (2015). More...

enum class	FrictionRidgeGeneralizedPosition { UnknownFinger = 0 , RightThumb = 1 , RightIndex = 2 , RightMiddle = 3 , RightRing = 4 , RightLittle = 5 , LeftThumb = 6 , LeftIndex = 7 , LeftMiddle = 8 , LeftRing = 9 , LeftLittle = 10 , RightExtraDigit = 16 , LeftExtraDigit = 17 , RightFour = 13 , LeftFour = 14 , RightAndLeftThumbs = 15 , UnknownPalm = 20 , RightFullPalm = 21 , RightWritersPalm = 22 , LeftFullPalm = 23 , LeftWritersPalm = 24 , RightLowerPalm = 25 , RightUpperPalm = 26 , LeftLowerPalm = 27 , LeftUpperPalm = 28 , RightPalmOther = 29 , LeftPalmOther = 30 , RightInterdigital = 31 , RightThenar = 32 , RightHypothenar = 33 , LeftInterdigital = 34 , LeftThenar = 35 , LeftHypothenar = 36 , RightGrasp = 37 , LeftGrasp = 38 , RightCarpalDeltaArea = 81 , LeftCarpalDeltaArea = 82 , RightFullPalmAndWritersPalm = 83 , LeftFullPalmAndWritersPalm = 84 , RightWristBracelet = 85 , LeftWristBracelet = 86 , UnknownFrictionRidge = 18 , EJIOrTip = 19 }
	Friction positions codes from ANSI/NIST-ITL 1-2011 (2015). More...

enum class	ProcessingMethod { Indanedione , BlackPowder , Other , Cyanoacrylate , Laser , RUVIS , StickysidePowder , Visual , WhitePowder }
	Processing method codes from ANSI/NIST-ITL 1-2011 (2015). More...

enum class	PatternGeneralClassification { Arch , Whorl , RightLoop , LeftLoop , Amputation , UnableToPrint , Unclassifiable , Scar , DissociatedRidges }
	General classification of friction ridge structure. More...

enum class	ArchPatternSubclassification { PlainArch , TentedArch }
	Subclassification when PatternClassification is Arch. More...

enum class	WhorlPatternSubclassification { PlainWhorl , CentralPocketLoop , DoubleLoop , AccidentalWhorl }
	Subclassification when PatternClassification is Whorl. More...

enum class	WhorlDeltaRelationship { Inner , Outer , Meeting }
	Whorl-Delta relationship. More...

enum class	ValueAssessment { Value , Limited , NoValue , NonPrint }
	Value assessment codes from ANSI/NIST-ITL 1-2011 (2015). More...

enum class	Substrate { Paper , PorousOther , Plastic , Glass , MetalPainted , MetalUnpainted , TapeAdhesiveSide , NonporousOther , PaperGlossy , SemiporousOther , Other , Unknown }
	Substrate codes from ANSI/NIST-ITL 1-2011 (2015). More...

enum class	MinutiaType { RidgeEnding , Bifurcation , Other , Unknown }
	Types of minutiae. More...

enum class	CorrespondenceType { Definite , Possible , DoesNotExist , OutOfRegion , UnclearArea }
	Types of correspondence. More...

enum class	RidgeQuality { Background = 0 , DebatableRidgeFlow = 1 , DebatableMinutiae = 2 , DefinitiveMinutiae = 3 , DefinitiveRidgeEdges = 4 , DefinitivePores = 5 }
	Local ridge quality codes from ANSI/NIST-ITL 1-2011 (2015). More...

enum class	FingerCrease { DistalInterphalangeal , ProximalInterphalangeal , ProximalDigital }
	Permanent flexion creases on fingers. More...

enum class	PalmCrease { DistalTransverse , Top = DistalTransverse , ProximalTransverse , Middle = ProximalTransverse , RadialLongitudinal , Bottom = RadialLongitudinal , Wrist , WristBracelet = Wrist }
	Permanent flexion creases on palms. More...

enum class	LinearDiscontinuity { MinorCrease , Crack , Cut , NonPermanentScar , Other }
	Linear discontinuities that are not named permanent creases. More...

Detailed Description

Types (mostly) mirroring the ANSI/NIST-ITL Type 9 Extended Feature Set.

Typedef Documentation

◆ IMP

using FRIF::EFS::IMP = Impression

Convenience Impression type using ANSI/NIST-ITL mnemonic.

Definition at line 35 of file efs.h.

◆ FCT

using FRIF::EFS::FCT = FrictionRidgeCaptureTechnology

Convenience FrictionRidgeCaptureTechnology type using ANSI/NIST-ITL mnemonic.

Definition at line 54 of file efs.h.

◆ FGP

using FRIF::EFS::FGP = FrictionRidgeGeneralizedPosition

Convenience FrictionRidgeGeneralizedPosition type using ANSI/NIST-ITL mnemonic.

Definition at line 110 of file efs.h.

◆ LPM

using FRIF::EFS::LPM = ProcessingMethod

Convenience LatentProcessingMethod type using ANSI/NIST-ITL mnemonic.

Definition at line 129 of file efs.h.

◆ GCF

using FRIF::EFS::GCF = PatternGeneralClassification

Convenience PatternGeneralClassification type using ANSI/NIST-ITL mnemonic.

Definition at line 154 of file efs.h.

◆ PatternSubclassification

using FRIF::EFS::PatternSubclassification

Initial value:

std::variant<

ArchPatternSubclassification, WhorlPatternSubclassification>

FRIF::EFS::WhorlPatternSubclassification

WhorlPatternSubclassification

Subclassification when PatternClassification is Whorl.

Definition efs.h:177

FRIF::EFS::ArchPatternSubclassification

ArchPatternSubclassification

Subclassification when PatternClassification is Arch.

Definition efs.h:164

Subclassification of PatternClassification.

Note: These enumerations map to ANSI/NIST-ITL 1-2011 Update:2015's PCT "General Class" codes from Table 44.

Definition at line 191 of file efs.h.

◆ SUB

using FRIF::EFS::SUB = PatternSubclassification

Convenience PatternSubclassification type using ANSI/NIST-ITL mnemonic.

Definition at line 198 of file efs.h.

◆ WDR

using FRIF::EFS::WDR = WhorlDeltaRelationship

Convenience WhorlDeltaRelationship type using ANSI/NIST-ITL mnemonic.

Definition at line 218 of file efs.h.

◆ EAA

using FRIF::EFS::EAA = ValueAssessment

Convenience ExaminerValueAssessment type using ANSI/NIST-ITL mnemonic.

Definition at line 311 of file efs.h.

◆ TOC

using FRIF::EFS::TOC = CorrespondenceType

Definition at line 508 of file efs.h.

◆ CreaseClassification

using FRIF::EFS::CreaseClassification

Initial value:

std::variant<FingerCrease, PalmCrease,

LinearDiscontinuity>

FRIF::EFS::FingerCrease

FingerCrease

Permanent flexion creases on fingers.

Definition efs.h:632

FRIF::EFS::LinearDiscontinuity

LinearDiscontinuity

Linear discontinuities that are not named permanent creases.

Definition efs.h:667

FRIF::EFS::PalmCrease

PalmCrease

Permanent flexion creases on palms.

Definition efs.h:643

Collection of crease types.

Note: These enumerations mostly map to ANSI/NIST-ITL 1-2011 Update:2015's TPD "Permanent Flexion Creases" codes from Table 58.

Definition at line 687 of file efs.h.

Enumeration Type Documentation

◆ Impression

enum class FRIF::EFS::Impression

strong

Friction ridge impression types from ANSI/NIST-ITL 1-202X.

Enumerator
PlainContact
RolledContact
Latent
LiveScanSwipe
PlainContactlessStationary
RolledContactlessStationary
Other
Unknown
Contactless

Definition at line 22 of file efs.h.

◆ FrictionRidgeCaptureTechnology

enum class FRIF::EFS::FrictionRidgeCaptureTechnology

strong

Capture device codes from ANSI/NIST-ITL 1-2011 (2015).

Enumerator
Unknown
ScannedInkOnPaper
OpticalTIRBright
OpticalDirect
Capacitive
Electroluminescent
LatentImpression
LatentLift

Definition at line 38 of file efs.h.

◆ FrictionRidgeGeneralizedPosition

enum class FRIF::EFS::FrictionRidgeGeneralizedPosition

strong

Friction positions codes from ANSI/NIST-ITL 1-2011 (2015).

Enumerator
UnknownFinger
RightThumb
RightIndex
RightMiddle
RightRing
RightLittle
LeftThumb
LeftIndex
LeftMiddle
LeftRing
LeftLittle
RightExtraDigit
LeftExtraDigit
RightFour
LeftFour
RightAndLeftThumbs
UnknownPalm
RightFullPalm
RightWritersPalm
LeftFullPalm
LeftWritersPalm
RightLowerPalm
RightUpperPalm
LeftLowerPalm
LeftUpperPalm
RightPalmOther
LeftPalmOther
RightInterdigital
RightThenar
RightHypothenar
LeftInterdigital
LeftThenar
LeftHypothenar
RightGrasp
LeftGrasp
RightCarpalDeltaArea
LeftCarpalDeltaArea
RightFullPalmAndWritersPalm
LeftFullPalmAndWritersPalm
RightWristBracelet
LeftWristBracelet
UnknownFrictionRidge
EJIOrTip

Definition at line 57 of file efs.h.

◆ ProcessingMethod

enum class FRIF::EFS::ProcessingMethod

strong

Processing method codes from ANSI/NIST-ITL 1-2011 (2015).

Enumerator
Indanedione
BlackPowder
Other
Cyanoacrylate
Laser
RUVIS
StickysidePowder
Visual
WhitePowder

Definition at line 113 of file efs.h.

◆ PatternGeneralClassification

enum class FRIF::EFS::PatternGeneralClassification

strong

General classification of friction ridge structure.

Note: These enumerations map to ANSI/NIST-ITL 1-2011 Update:2015's PCT "General Class" codes from Table 44.

Enumerator
Arch
Whorl
RightLoop
LeftLoop
Amputation
UnableToPrint
Unclassifiable
Scar
DissociatedRidges

Definition at line 138 of file efs.h.

◆ ArchPatternSubclassification

enum class FRIF::EFS::ArchPatternSubclassification

strong

Subclassification when PatternClassification is Arch.

Note: These enumerations map to ANSI/NIST-ITL 1-2011 Update:2015's PCT "General Class" codes from Table 44.

Enumerator
PlainArch
TentedArch

Definition at line 163 of file efs.h.

◆ WhorlPatternSubclassification

enum class FRIF::EFS::WhorlPatternSubclassification

strong

Subclassification when PatternClassification is Whorl.

Note: These enumerations map to ANSI/NIST-ITL 1-2011 Update:2015's PCT "General Class" codes from Table 44.

Enumerator
PlainWhorl
CentralPocketLoop
DoubleLoop
AccidentalWhorl

Definition at line 176 of file efs.h.

◆ WhorlDeltaRelationship

enum class FRIF::EFS::WhorlDeltaRelationship

strong

Whorl-Delta relationship.

Note: These enumerations are described in ANSI/NIST-ITL 1-2011 Update:2015, Section 8.9.7.5.

Enumerator
Inner
Outer
Meeting

Definition at line 207 of file efs.h.

◆ ValueAssessment

enum class FRIF::EFS::ValueAssessment

strong

Value assessment codes from ANSI/NIST-ITL 1-2011 (2015).

Enumerator
Value
Limited
NoValue
NonPrint

Definition at line 300 of file efs.h.

◆ Substrate

enum class FRIF::EFS::Substrate

strong

Substrate codes from ANSI/NIST-ITL 1-2011 (2015).

Enumerator
Paper
PorousOther
Plastic
Glass
MetalPainted
MetalUnpainted
TapeAdhesiveSide
NonporousOther
PaperGlossy
SemiporousOther
Other
Unknown

Definition at line 314 of file efs.h.

◆ MinutiaType

enum class FRIF::EFS::MinutiaType

strong

Types of minutiae.

Enumerator
RidgeEnding
Bifurcation
Other
Unknown

Definition at line 334 of file efs.h.

◆ CorrespondenceType

enum class FRIF::EFS::CorrespondenceType

strong

Types of correspondence.

Following ANSI/NIST-ITL 1-2011 (2015) Field 9.361, "types of correspondence (TOC)"

Enumerator
Definite	Probe feature definitely corresponds.
Possible	Probe feature possibly/debatably corresponds.
DoesNotExist	Probe feature definitely does not exist. Note Correspondence::referenceMinutia will be ignored.
OutOfRegion	Probe feature lies outside the reference. Note Correspondence::referenceMinutia will be ignored.
UnclearArea	Probe feature lies in an area experiencing quality issues in the reference. Note Correspondence::referenceMinutia will be ignored.

Definition at line 479 of file efs.h.

◆ RidgeQuality

enum class FRIF::EFS::RidgeQuality

strong

Local ridge quality codes from ANSI/NIST-ITL 1-2011 (2015).

Enumerator
Background	No ridge information.
DebatableRidgeFlow	Continuity of ridge flow is uncertain.
DebatableMinutiae	Continuity of ridge flow is certain; minutiae are debatable.
DefinitiveMinutiae	Minutiae and ridge flow are obvious and unambiguous; ridge edges are debatable.
DefinitiveRidgeEdges	Ridge edges, minutiae, and ridge flow are obvious and unambiguous; pores are either debatable or not present.
DefinitivePores	Pores and ridge edges are obvious and unambiguous.

Definition at line 587 of file efs.h.

◆ FingerCrease

enum class FRIF::EFS::FingerCrease

strong

Permanent flexion creases on fingers.

Enumerator
DistalInterphalangeal	Below distal phalanx.
ProximalInterphalangeal	Below medial phalanx.
ProximalDigital	Between proximal phalanx and palm.

Definition at line 631 of file efs.h.

◆ PalmCrease

enum class FRIF::EFS::PalmCrease

strong

Permanent flexion creases on palms.

Enumerator
DistalTransverse	Bottom of the interdigital area.
Top	Colloquial definition for DistalTransverse.
ProximalTransverse	Diagonal across palm.
Middle	Colloquial definition for ProximalTransverse.
RadialLongitudinal	Around the base of thenar.
Bottom	Colloquial definition for RadialLongitudinal.
Wrist	Bottom of the palm at the wrist.
WristBracelet	Colloquial definition for Wrist.

Definition at line 642 of file efs.h.

◆ LinearDiscontinuity

enum class FRIF::EFS::LinearDiscontinuity

strong

Linear discontinuities that are not named permanent creases.

Enumerator
MinorCrease
Crack
Cut
NonPermanentScar
Other

Definition at line 666 of file efs.h.

Classes

Typedefs

Enumerations

Detailed Description

Typedef Documentation

◆ IMP

◆ FCT

◆ FGP

◆ LPM

◆ GCF

◆ PatternSubclassification

◆ SUB

◆ WDR

◆ EAA

◆ TOC

◆ CreaseClassification

Enumeration Type Documentation

◆ Impression

◆ FrictionRidgeCaptureTechnology

◆ FrictionRidgeGeneralizedPosition

◆ ProcessingMethod

◆ PatternGeneralClassification

◆ ArchPatternSubclassification

◆ WhorlPatternSubclassification

◆ WhorlDeltaRelationship

◆ ValueAssessment

◆ Substrate

◆ MinutiaType

◆ CorrespondenceType

◆ RidgeQuality

◆ FingerCrease

◆ PalmCrease

◆ LinearDiscontinuity