Resolutions 

ANSI/NIST Fingerpri

Standard Update

Workshop II

(12/05-06/3005)

February 14, 2006

Michael McCabe 

mccabe@nist.gov

fingerprint.nist.gov/standar
Compression Code Tabl

Insert a 3-column table in standard

z Compression algorithmz Binary codez ASCII code

Legitimate compression algorithms s

within the text of each record descrip

Two tables were needed – one for b

and one for grayscale/color images
Binary Image Compression 

Algorithm BIN

CODE

ASCII 

CODE

Uncompressed

0

-

-

- Image Pa

FacsimileANSI/EIA- 538 1988

1 --- Lossless
Grayscale & Color 

Image Compression Co

Algorithm BIN

CODE

A

Uncompressed

0 

JPEG 2K Lossless

5 

Portable Network Graphics

6 

WSQ Version 2.0

1 

JPEG ISO/IEC 10918

2 

JPEG 10918 (Lossless)

3 

JPEG 2K Lossy

4 
M1 – Harmonization W

Type-9 and Type 14 Rec

Addition of optional M1-vendor block Coordinate system and minutiae pla

orientation in accord with INCITS 37

Minutiae location expressed in pixelsOrientation to nearest 2 degreesFields 9.121 through 9.129 reserved Minimum amount of CBEFF informaAddition of optional fields for T-14 re

image size, resolution, and CBEFF d
Fingerprint Image 

Quality Score

Prediction of Fingerprint matching peField 14.022 – Mandatory FBI EFTS 

Image Quality

z Finger Numberz Predictive Quality Score (NFIQ)

Field 14.024 – Optional Finger Imag

z Finger Numberz Predictive Quality Scorez Vendor Identificationz Vendor assigned code for algorithmz Version and revision of algorithm used
Slap Image Segmentati

Quality Score

Field 14.021 – Defines offsets to bou

of individual fingers in a “slap” image

Finger segment defined by 5 informa

z Finger numberz X-coordinates (LEFT & RIGHT) Boundinz Y-coordinates (TOP & BOTTOM ) Boun

Field 14.023 – Provision for segmen

scores

z Information items similar to finger image z Score and vendor information
Source Agency Leng

Attended Operation, & U

Increase the size of the Source Age

43 characters for record types 10 an

Optional field defined for record type

above to provide device monitoring i

z Unknownz Unattendedz Observedz Assisted

The UTF8 encoding scheme is prefe

to support international character se
Updates to Finger Position C

Maximum Size Tables 6 

Area column removed from both tabFinger code 15 added to Table 6 to s

combination of both thumbs togethe

z Captured togetherz Captured separately but recorded as on

Maximum length dimension for finge

codes 13, 14, and 15 increased to 3

Additional palm codes added to Tab

z Right & left Interdigitalz Right & leff Thenar areasz Right & left Hypothenar areas
Enhanced Fingerprin

Impression Types

Live-scan vs Nonlive-scan

Plain vs. Rolled

Optical vs. Non-optical

Contact vs. Non-contact
New Impression 

Type Codes

Live-scan plain

0

Live-scan rolled 1Nonlive-scan plain

2

Nonlive-scan rolled

3

Latent impressionLive-scan

4

Latent tracing

5

Latent photo

6

Latent lift

7

Live-scan vertical swipe

8

Live-scan optical contact plain 20Live-scan optical contact rolled 21Live-scan non-optical contact plain* 22Live-scan non-optical contact rolled 23Live-scan optical contactless plain 24Live-scan optical contactless rolled 25Live-scan non-optical contactless plain 26Live-scan non-optical contactless rolled 27Other 28Unknown 29
Major Case Prints

Major case collection

z 1- FBI Standard Fingerprint Cardz 2- IAI Standard Palm Print Cardsz 2- Newly defined Major Case Card

Additional areas of capture

z Joint prints (Distal, Medial, Proximal)z Rolled tipsz Rolled thenar

FGP Fields 14.013/13.013 contains “19MCP Field 14.014: Finger Number<usMCS Field 14.015: Segment Positions MCL Field 13.014: Finger Number<us
Major Case Codes

Entire Joint Image EJIRolled Tip TIPFull Finger View FVx x = {1,2,3,4}Proximal, Distal, or Medial Segment PRX, DST, MED

FV1 FV2

FV3 FV4

DST

MED

PRX

EJI
Iris Record Type-17

New record type would be based on

interoperable with the M1 Iris data fo

Provide for iris image representation 

coordinate representation excluded)

Iris image quality represented as for Add appropriate fields for eye color, 

compression, etc.

Consult with Iridian on record details
CBEFF Record Type -18 

Carry M1 standard biometric data Contains :

z Headerz Biometric Data Block (BDB)z Optional Signature Block

Carry items not carried in other ANS

record types – exotic data types

Move actual number type from 18 to 

number. 
Approved XML Resolu

Incorporates all updates to the 200

the traditional and XML format 

One standard: One document : TwDevelop a Part 2 proposal as an a

version of the ANSI/NIST-ITL stan

Both parts canvassed simultaneouA 1:1 correspondence of data con

original structure and the new XM

GJXDM objects used wherever po
Type 10 – Facial Imag

Resolutions – No SM

JPEG2 (both lossy and lossless) ado

appropriate compression algorithm f

Colorspace conventions:

z JPEG - SRGB, GRAY, YCCz JPEG2K – SRGB, GRAY, SYCC

The Subject Acquisition Profile (SAP

mandatory ASCII text field for facial 

Various best practice levels for para

for capturing images.
Image Capture Level

Level 0: UnknownLevels 10-15: capture under the guid

other facial standards or application 

Level 15 : PIVLevel 20: Legacy mugshotsLevel 30: 1997 BPR & ANSI/NIST 20Level 40: Added requirements ( 768Level 50/51: Increased resolution JP

required (3300x4400 head & should
Best Practice Issues

Naming convention to refer to all lev

Practice Image Capture and then refspecific levels by number only.

Other specifics relating to image cap

details relating to hair and number ocaptured

These best practices to be placed in 

part of standard
Security Record

Addendum

Proposal to put security at the “docu

using digital signatures to track chan

Due to the amount of details to be re

item shall be worked on as a future athe standard

Event tracking will be included in this 
Extended Fingerprin

Feature Set Addendu

Potential Level 1, 2, & 3 features for 

were presented and discussed

Ad hoc group was created to study t

put in the form of an addendum for l

These new features may require a n

type

This group headed by Austin Hicklin 

cooperation with Alan McRoberts(SWto finish their work and make recommDecember 31, 2006.