Package com.itextpdf.pdf2data.ocr.engine

Class Tesseract4BasedEngine

java.lang.Object

com.itextpdf.pdf2data.OcrWithPostProcessingEngine

com.itextpdf.pdf2data.ocr.engine.Tesseract4BasedEngine

All Implemented Interfaces:

com.itextpdf.pdfocr.IOcrEngine

       public class Tesseract4BasedEngine extends OcrWithPostProcessingEngine
      

Engine which uses Tesseract4LibOcrEngine as based ocr engine. And apply Pdf2DataTATRPostProcessor if needed afterward.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Tesseract4BasedEngine.Builder	Builder for Tesseract4BasedEngine.

Method Summary

Modifier and Type	Method	Description
static Tesseract4BasedEngine.Builder	createBuilder(List<String> languages, File tessDataPath)	Creates new Tesseract4BasedEngine.Builder.

Methods inherited from class com.itextpdf.pdf2data.OcrWithPostProcessingEngine

createTxtFile, createTxtFile, doImageOcr, doImageOcr, isTaggingSupported

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

createBuilder

             public static Tesseract4BasedEngine.Builder createBuilder
             (List<String> languages, File tessDataPath)
            

Creates new Tesseract4BasedEngine.Builder. Note that it's required to provide path to your train tesseract data directory.

Parameters:

languages - List of languages which you'd like to extract from image. If missing or empty english will be default language.

tessDataPath - path to your train tesseract data directory as File

Returns:

new instance of Tesseract4BasedEngine.Builder