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 countMaxQAP M⇑ N QUALITY ALGORITHM PRODUCT ID 1 1RSV 19.025-19.029RESERVED FOR FUTURE DEFINITIONDMM O 19.030 A DEVICE MONITORING MODE 1 1RSV 19.031-19.199UDF 19.200-19.990RSV 19.991-19.995RESERVED FOR FUTURE DEFINITIONUSER-DEFINED FIELDSRESERVED FOR FUTURE DEFINITIONHAS O 19.996 N IMAGE HASH 0 1OIV O 19.997 ORIGINAL IMAGE REFERENCE 0 1OIR M⇑ N REFERENCE CODE 1 1RTV O⇑ N SEGEMENTATION REFERENCE TYPE VALUE 0 1GEO O 19.998 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 19.999 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.23.1 Field 19.001: 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.238DRAFT 2
ANSI/NIST-ITL 1-2011Data Format for the Interchange of Biometric and Forensic Information23.2 Field 19.002: Image designation character / IDCThis mandatory field shall be the IDC of the Type-19 record as found in the filecontent (CNT) field of the Type-1 record.23.3 Field 19.003: Impression type / IMPThis mandatory field shall be selected from Table 7, describing the manner bywhich the plantar image information was obtained.23.4 Field 19.004: Source agency / ORI / SRCThis mandatory ASCII field shall contain the identification of the administration ororganization that originally captured the plantar image contained in the record.Normally, the Originating Agency Identifier, ORI, of the agency that captured theimage will be contained in this field. The SRC shall be defined by the user andbe in accordance with the receiving agency.23.5 Field 19.005: Plantar print capture date / XCDThis mandatory ASCII field shall contain the date that the plantar print imagecontained in the record was captured. See the relevant Annex in this standardfor the exact encoding format for this data. The YYYY characters shall representthe year the image was captured; the MM characters shall be the tens and unitsvalues of the month; and the DD characters shall be the tens and units values ofthe day in the month.23.6 Field 19.006: Horizontal line length / HLLThis mandatory ASCII field shall contain the number of pixels contained on asingle horizontal line of the transmitted image.23.7 Field 19.007: Vertical line length / VLLThis mandatory ASCII field shall contain the number of horizontal lines containedin the transmitted image.23.8 Field 19.008: Scale units / SLCThis mandatory ASCII field shall specify the units used to describe the imagesampling frequency (pixel density). A "1" in this field indicates pixels per inch, ora "2" indicates pixels per centimeter. A "0" in this field indicates no scale isgiven. For this case, the quotient of HPS/VPS gives the pixel aspect ratio.23.9 Field 19.009: Horizontal pixel scale / HPSThis mandatory ASCII field shall specify the integer pixel density used in thehorizontal direction of the transmitted image providing the SLC contains a "1" ora "2". Otherwise, it indicates the horizontal component of the pixel aspect ratio.239DRAFT 2
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ANSI/NIST-ITL 1-2011 - NIST Visual Image Processing Group ...

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