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 InformationMnemonicCondcode*FieldnumberCharacterTypeField nameMinOccur countMaxSVY M⇑ N VERTICAL POINT OFFSET 1 1UEB O 17.035 UPPER EYELID BOUNDARY 1 1UEC M⇑ A UPPER EYELID CODE 1 1UEPQ M⇑ N TOTAL NUMBER OF POINTS 1 1UCP M⇑ N CONSECUTIVE POINTS 1 UEPQ valueUHX M⇑ N HORIZONTAL POINT OFFSET 1 1UVY M⇑ N VERTICAL POINT OFFSET 1 1LEB O 17.036 LOWER EYELID BOUNDARY 1 1LSC M⇑ A LOWER EYELID CODE 1 1LEPQ M⇑ N TOTAL NUMBER OF POINTS 1 1LCP M⇑ N CONSECUTIVE POINTS 1 LEPQ valueLHX M⇑ N HORIZONTAL POINT OFFSET 1 1LVY M⇑ N VERTICAL POINT OFFSET 1 1OCC O 17.037 OCCLUSION 1 1OCC M⇑ A OCCLUSION CODE 1 1OCT M⇑ A OCCLUSION TYPE 1 1OCPQ M⇑ N TOTAL NUMBER OF POINTS 1 1OCP M⇑ N CONSECUTIVE POINTS 1 OCPQ valueOHX M⇑ N HORIZONTAL POINT OFFSET 1 1OVY M⇑ N VERTICAL POINT OFFSET 1 1RSV 17.038-17.039RESERVED FOR FUTURE DEFINITIONRAN O 17.040 N RANGE 1 1LAV O 17.041 N LENS ANGLE OF VIEW 1 1ITX O 17.044 IMAGE TRANSFORMATION 0 1ITV M⇑ A IMAGE TRANSFORMATION VALUES 1 Unlimited206DRAFT 2
ANSI/NIST-ITL 1-2011Data Format for the Interchange of Biometric and Forensic InformationMnemonicCondcode*FieldnumberCharacterTypeField nameMinOccur countMaxRSV 17.045-17.099UDF 17.100-17.990RSV 17.991-17.995RESERVED FOR FUTURE DEFINITIONUSER-DEFINED FIELDSRESERVED FOR FUTURE DEFINITIONHAS O 17.996 N IMAGE HASH 0 1OIV O 17.997 ORIGINAL IMAGE REFERENCE 0 1OIR M⇑ N REFERENCE CODE 1 1RTV O⇑ N SEGEMENTATION REFERENCE TYPE VALUE 0 1GEO O 17.998 GEOGRAPHIC SAMPLE LOCATION 0 1GRT O⇑ AN GEOGRAPHIC REFERENCE TEXT 0 1DEG O⇑ AN DEGREE VALUE 0 1DMS O⇑ AN DEGREE MINUTE SECOND VALUE 0 1DATA M 17.999 B IMAGE DATA 1 1Key for Character type: N=Numeric; A=Alphabetic; AN=Alphanumeric; B=Binary or Base64Key for Cond. code: M=Mandatory; O=Optional; C-x=Conditional on Field x value; M⇑=Mandatory if the field/subfield isused; O⇑=Optional if the field/subfield is used.21.1 Field 17.001: Record headerThe content of this field depends upon the encoding chosen. Seewww.biometrics.nist.gov/standard for the content of this field for the encodingused. In Traditional encoding, the content is the length of the record. In NIEMconformantencoding it is the record type-number.21.2 Field 17.002: Image designation character / IDCThis mandatory field shall be the IDC of the Type-17 record as found in the filecontent (CNT) field of the Type-1 record.21.3 Field 17.003: Feature identifier / FIDThis mandatory field shall contain an identifier for the eye represented by theimage in the record. An entry of “0” in this field indicates that the image in thisrecord is undefined. An entry of “1” in this field indicates that the image in this207DRAFT 2
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ANSI/NIST-ITL 1-2011 - NIST Visual Image Processing Group ...

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