Java-OCR

package tess4jtest;

import java.io.File;
import net.sourceforge.tess4j.Tesseract;
import net.sourceforge.tess4j.TesseractException;
public class test {
  public static void main(String[] args) {
    // Instance of tesseract
    Tesseract DemoTesseract = new Tesseract();
    try {
      // path to the tessdata in the extracted folder
      DemoTesseract.setDatapath(
          "C:\\Users\\Sheeraz\\OneDrive\\Desktop\\New folder (3)\\Tess4J\\tessdata");
      // InputPath
      String OutputText = DemoTesseract.doOCR(
          new File("C:\\Users\\Sheeraz\\OneDrive\\Desktop\\New folder (3)\\Tess4J\\sample.png"));

      System.out.print(OutputText);
    } catch (TesseractException ex) {
      ex.printStackTrace();
    }
  }
}

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String OutputText = DemoTesseract.doOCR(
    new File("C:\\Users\\Sheeraz\\OneDrive\\Desktop\\New folder (3)\\Tess4J\\sample.png"));

String OutputText = DemoTesseract.doOCR(
    new File("C:\\Users\\Sheeraz\\OneDrive\\Desktop\\New folder (3)\\Tess4J\\sample1.png"));

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package tess4jtest;

import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.*;
import java.io.*;
import javax.imageio.ImageIO;
import net.sourceforge.tess4j.*;

public class test {
  public static void ImageProcess(BufferedImage Input_Image, float scaleFactor, float offset)
      throws IOException, TesseractException {
    // First of all, create an empty image buffer
    BufferedImage Output_Image = new BufferedImage(1050, 1024, Input_Image.getType());

    // Now create a 2D platform
    Graphics2D DemoGraphic = Output_Image.createGraphics();

    // draw a new image
    DemoGraphic.drawImage(Input_Image, 0, 0, 1050, 1024, null);
    DemoGraphic.dispose();

    // rescale the OP object for the grey images
    RescaleOp RescaleImage = new RescaleOp(scaleFactor, offset, null);

    // perform scaling
    BufferedImage Buffered_FOP_Image = RescaleImage.filter(Output_Image, null);
    ImageIO.write(Buffered_FOP_Image, "jpg",
        new File(
            "C:\\Users\\Sheeraz\\OneDrive\\Desktop\\New folder (3)\\Tess4J\\output\\output.png"));

    Tesseract DemoTesseract = new Tesseract();

    DemoTesseract.setDatapath(
        "C:\\Users\\Sheeraz\\OneDrive\\Desktop\\New folder (3)\\Tess4J\\tessdata");

    String OutputStr = DemoTesseract.doOCR(Buffered_FOP_Image);
    System.out.println(OutputStr);
  }

  public static void main(String args[]) throws Exception {
    File InputFile =
        new File("C:\\Users\\Sheeraz\\OneDrive\\Desktop\\New folder (3)\\Tess4J\\sample2.png");

    BufferedImage Input_Image = ImageIO.read(InputFile);

    double Image_Double =
        Input_Image.getRGB(Input_Image.getTileWidth() / 2, Input_Image.getTileHeight() / 2);

    // compare the values
    if (Image_Double >= -1.4211511E7 && Image_Double < -7254228) {
      ImageProcess(Input_Image, 3f, -10f);
    } else if (Image_Double >= -7254228 && Image_Double < -2171170) {
      ImageProcess(Input_Image, 1.455f, -47f);
    } else if (Image_Double >= -2171170 && Image_Double < -1907998) {
      ImageProcess(Input_Image, 1.35f, -10f);
    } else if (Image_Double >= -1907998 && Image_Double < -257) {
      ImageProcess(Input_Image, 1.19f, 0.5f);
    } else if (Image_Double >= -257 && Image_Double < -1) {
      ImageProcess(Input_Image, 1f, 0.5f);
    } else if (Image_Double >= -1 && Image_Double < 2) {
      ImageProcess(Input_Image, 1f, 0.35f);
    }
  }
}

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