The Java OCR SDK supports the Passport - India API.

Using the sample below, we are going to illustrate how to extract the data that we want using the OCR SDK.
Passport - India sample

Quick-Start

import com.mindee.MindeeClient;
import com.mindee.input.LocalInputSource;
import com.mindee.parsing.common.AsyncPredictResponse;
import com.mindee.product.ind.indianpassport.IndianPassportV1;
import java.io.File;
import java.io.IOException;

public class SimpleMindeeClient {

  public static void main(String[] args) throws IOException, InterruptedException {
    String apiKey = "my-api-key";
    String filePath = "/path/to/the/file.ext";

    // Init a new client
    MindeeClient mindeeClient = new MindeeClient(apiKey);

    // Load a file from disk
    LocalInputSource inputSource = new LocalInputSource(new File(filePath));

    // Parse the file asynchronously
    AsyncPredictResponse<IndianPassportV1> response = mindeeClient.enqueueAndParse(
        IndianPassportV1.class,
        inputSource
    );

    // Print a summary of the response
    System.out.println(response.toString());

    // Print a summary of the predictions
//  System.out.println(response.getDocumentObj().toString());

    // Print the document-level predictions
//    System.out.println(response.getDocumentObj().getInference().getPrediction().toString());

    // Print the page-level predictions
//    response.getDocumentObj().getInference().getPages().forEach(
//        page -> System.out.println(page.toString())
//    );
  }

}

Output (RST):

########
Document
########
:Mindee ID: cf88fd43-eaa1-497a-ba29-a9569a4edaa7
:Filename: default_sample.jpg

Inference
#########
:Product: mindee/ind_passport v1.0
:Rotation applied: Yes

Prediction
==========
:Page Number: 1
:Country: IND
:ID Number: J8369854
:Given Names: JOCELYN MICHELLE
:Surname: DOE
:Birth Date: 1959-09-23
:Birth Place: GUNDUGOLANU
:Issuance Place: HYDERABAD
:Gender: F
:Issuance Date: 2011-10-11
:Expiry Date: 2021-10-10
:MRZ Line 1: P<DOE<<JOCELYNMICHELLE<<<<<<<<<<<<<<<<<<<<<
:MRZ Line 2: J8369854<4IND5909234F2110101<<<<<<<<<<<<<<<8
:Legal Guardian:
:Name of Spouse:
:Name of Mother:
:Old Passport Date of Issue:
:Old Passport Number:
:Address Line 1:
:Address Line 2:
:Address Line 3:
:Old Passport Place of Issue:
:File Number:

Field Types

Standard Fields

These fields are generic and used in several products.

BaseField

Each prediction object contains a set of fields that inherit from the generic BaseField class.
A typical BaseField object will have the following attributes:

confidence (Double): the confidence score of the field prediction.
boundingBox (Polygon): contains exactly 4 relative vertices (points) coordinates of a right rectangle containing the field in the document.
polygon (Polygon): contains the relative vertices coordinates (polygon extends List<Point>) of a polygon containing the field in the image.
pageId (Integer): the ID of the page, always null when at document-level.

Note: A Point simply refers to a List of Double.

Aside from the previous attributes, all basic fields have access to a custom toString method that can be used to print their value as a string.

ClassificationField

The classification field ClassificationField extends BaseField, but also implements:

value (strong): corresponds to the field value.
confidence (double): the confidence score of the field prediction.

Note: a classification field's value is always a String`.

StringField

The text field StringField extends BaseField, but also implements:

value (String): corresponds to the field value.
rawValue (String): corresponds to the raw value as it appears on the document.

DateField

The date field DateField extends BaseField, but also implements:

value (LocalDate): an accessible representation of the value as a Java object. Can be null.

Attributes

The following fields are extracted for Passport - India V1:

Address Line 1

address1: The first line of the address of the passport holder.

System.out.println(result.getDocument().getInference().getPrediction().getAddress1().value);

Address Line 2

address2: The second line of the address of the passport holder.

System.out.println(result.getDocument().getInference().getPrediction().getAddress2().value);

Address Line 3

address3: The third line of the address of the passport holder.

System.out.println(result.getDocument().getInference().getPrediction().getAddress3().value);

Birth Date

birthDate: The birth date of the passport holder, ISO format: YYYY-MM-DD.

System.out.println(result.getDocument().getInference().getPrediction().getBirthDate().value);

Birth Place

birthPlace: The birth place of the passport holder.

System.out.println(result.getDocument().getInference().getPrediction().getBirthPlace().value);

Country

country: ISO 3166-1 alpha-3 country code (3 letters format).

System.out.println(result.getDocument().getInference().getPrediction().getCountry().value);

Expiry Date

expiryDate: The date when the passport will expire, ISO format: YYYY-MM-DD.

System.out.println(result.getDocument().getInference().getPrediction().getExpiryDate().value);

File Number

fileNumber: The file number of the passport document.

System.out.println(result.getDocument().getInference().getPrediction().getFileNumber().value);

Gender

gender: The gender of the passport holder.

Possible values include:

System.out.println(result.getDocument().getInference().getPrediction().getGender().value);

Given Names

givenNames: The given names of the passport holder.

System.out.println(result.getDocument().getInference().getPrediction().getGivenNames().value);

ID Number

idNumber: The identification number of the passport document.

System.out.println(result.getDocument().getInference().getPrediction().getIdNumber().value);

Issuance Date

issuanceDate: The date when the passport was issued, ISO format: YYYY-MM-DD.

System.out.println(result.getDocument().getInference().getPrediction().getIssuanceDate().value);

Issuance Place

issuancePlace: The place where the passport was issued.

System.out.println(result.getDocument().getInference().getPrediction().getIssuancePlace().value);

Legal Guardian

legalGuardian: The name of the legal guardian of the passport holder (if applicable).

System.out.println(result.getDocument().getInference().getPrediction().getLegalGuardian().value);

MRZ Line 1

mrz1: The first line of the machine-readable zone (MRZ) of the passport document.

System.out.println(result.getDocument().getInference().getPrediction().getMrz1().value);

MRZ Line 2

mrz2: The second line of the machine-readable zone (MRZ) of the passport document.

System.out.println(result.getDocument().getInference().getPrediction().getMrz2().value);

Name of Mother

nameOfMother: The name of the mother of the passport holder.

System.out.println(result.getDocument().getInference().getPrediction().getNameOfMother().value);

Name of Spouse

nameOfSpouse: The name of the spouse of the passport holder (if applicable).

System.out.println(result.getDocument().getInference().getPrediction().getNameOfSpouse().value);

Old Passport Date of Issue

oldPassportDateOfIssue: The date of issue of the old passport (if applicable), ISO format: YYYY-MM-DD.

System.out.println(result.getDocument().getInference().getPrediction().getOldPassportDateOfIssue().value);

Old Passport Number

oldPassportNumber: The number of the old passport (if applicable).

System.out.println(result.getDocument().getInference().getPrediction().getOldPassportNumber().value);

Old Passport Place of Issue

oldPassportPlaceOfIssue: The place of issue of the old passport (if applicable).

System.out.println(result.getDocument().getInference().getPrediction().getOldPassportPlaceOfIssue().value);

Page Number

pageNumber: The page number of the passport document.

Possible values include:

System.out.println(result.getDocument().getInference().getPrediction().getPageNumber().value);

Surname

surname: The surname of the passport holder.

System.out.println(result.getDocument().getInference().getPrediction().getSurname().value);

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