Glossary

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• MRZ (Machine-Readable Zone)

  The two or three lines of machine-readable characters at the foot of a passport data page or on the back of some ID cards.

• VIZ (Visual Inspection Zone)

  The human-readable printed fields on a document: name, dates, document number and so on.

• PDF417

  The two-dimensional barcode on the back of a North American driving licence. It encodes the same data that is printed on the front.

• AAMVA (American Association of Motor Vehicle Administrators)

  The body whose standard defines the driving-licence barcode, and the network through which licence data can be verified against the issuing DMV.

• OCR (Optical Character Recognition)

  Reading printed text from an image and turning it into data.

• DTA (Document data capture)

  Reading a document into structured data: OCR of the printed fields, the MRZ and the PDF417 barcode.

• DFA (Document Forensic Authentication)

  Testing whether a document is genuine, and returning a Pass, Warning or Fail determination with the reasons.

• mDL (Mobile driving licence)

  A driving licence held as a digital credential on a phone and presented to a reader.

• ISO 18013-5

  The international standard for mobile driving licence applications and the exchange of their data with a reader.

• Liveness

  A check that the person, or the document, in front of the camera is physically present, rather than a photograph, a screen or a copy.

• Duplex

  Capturing both sides of a document in one pass, rather than one side at a time.

• Simplex

  Capturing one side of a document at a time.

• LPT (Light-Passthrough Testing)

  Shining light through a card to detect and validate micro laser perforation.

• ID-1

  The standard card size used by driving licences, ID cards and payment cards.

• TWAIN

  A widely used standard interface between imaging devices, such as scanners, and software.