Chinese Simplified (简体中文)

JSON File for MRZ

JavaScript Object Notation (JSON) is an open-standard, language-independent file format to transmit data objects consisting of attribute–value pairs and array data types.
Only results of machine-readable zone (MRZ) capture may be exported to a JSON file. The resulting file format is described in the table below.

Description of JSON format

Name Type Nested keys Description
Fields Object

BirthDate — Document holder's date of birth.

DocumentNumber — The document number.

ExpiryDate — The document's expiry date.

PersonalNumber — Document holder's personal number.

Type: object. Nested keys:

Contains the fields extracted from MRZ.

DocumentType The document type.

DocumentSubtype — The document subtype.

GivenName One or several given names of the document holder.

IssuingCountry — Code of issuing state.

LastName — Document holder's surname.

Nationality — Document holder's nationality.

Sex — Document holder's sex.

Type: object. Nested keys:

Lines Object

Line1 — The first line of MRZ.

Line2 — The second line of MRZ.

Line3 — The third line of MRZ.

Type: object. Nested keys:

Contains 2 or 3 lines extracted from MRZ.
Chars Array

Several objects, each corresponding to a character in the recognized text. Nested keys for each object:

  • Rect
  • Suspicious — optional key, present only when the character was recognized uncertainly, when its value is true. Type: boolean.
  • Value
Contains the characters of the text in the reading order.
Checksum Object

IsVerified — is true if the recognized checksum digit matches the value of the checksum calculated over the recognized field string, false otherwise. Type: boolean.

Value — the recognized value of the checksum. Type: string.

The check digit over the whole MRZ or one of its fields.
Region Array Several Rect keys in top-to-bottom order. A region containing the line or the field. It consists of several non-overlapping rectangles.
Rect Array Four integer values, containing the coordinates of the rectangle in the following order: left, top, right, bottom. A rectangle.
Value String No nested keys. A string value of a field, character, line, etc.

See also

IMrzData::ExportToFile

IMrzData::ExportToFileEx

03.07.2024 8:50:25

Usage of Cookies. In order to optimize the website functionality and improve your online experience ABBYY uses cookies. You agree to the usage of cookies when you continue using this site. Further details can be found in our Privacy Notice.