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: |
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
17.09.2024 15:14:40