package org.ink.image.textrz;import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.Locale;  import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.stream.ImageInputStream;
import javax.imageio.stream.ImageOutputStream;  import com.sun.media.imageio.plugins.tiff.TIFFImageWriteParam;  public class ImageIOHelper {private Locale locale=Locale.CHINESE;/*** user set locale Construct* @param locale*/public ImageIOHelper(Locale locale){this.locale=locale;}/*** default construct using default locale Locale.CHINESE*/public ImageIOHelper(){}/*** create tempFile of Image in order to prevent damaging original file* @param imageFile* @param imageFormat like png,jps .etc* @return TempFile of Image* @throws IOException*/public File createImage(File imageFile, String imageFormat) throws IOException {    Iterator<ImageReader> readers = ImageIO.getImageReadersByFormatName(imageFormat);    ImageReader reader = readers.next();    ImageInputStream iis = ImageIO.createImageInputStream(imageFile);    reader.setInput(iis);    IIOMetadata streamMetadata = reader.getStreamMetadata();    TIFFImageWriteParam tiffWriteParam = new TIFFImageWriteParam(Locale.CHINESE);    tiffWriteParam.setCompressionMode(ImageWriteParam.MODE_DISABLED);    Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("tiff");    ImageWriter writer = writers.next();    BufferedImage bi = reader.read(0);    IIOImage image = new IIOImage(bi,null,reader.getImageMetadata(0));    File tempFile = tempImageFile(imageFile);    ImageOutputStream ios = ImageIO.createImageOutputStream(tempFile);    writer.setOutput(ios);    writer.write(streamMetadata, image, tiffWriteParam);    ios.close();iis.close();writer.dispose();    reader.dispose();    return tempFile;    }    /*** add suffix to tempfile* @param imageFile* @return* @throws IOException */private File tempImageFile(File imageFile) throws IOException {    String path = imageFile.getPath();    StringBuffer strB = new StringBuffer(path);    strB.insert(path.lastIndexOf('.'),"_text_recognize_temp");String s=strB.toString().replaceFirst("(?<=//.)(//w+)$", "tif");Runtime.getRuntime().exec("attrib "+"\""+s+"\""+" +H"); //设置文件隐藏return new File(strB.toString()); }    }

package org.ink.image.textrz;import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;import org.jdesktop.swingx.util.OS;    /*** TEXT Recognize Utils* @author ink.Flower**/
public class OCRUtil { private final String LANG_OPTION = "-l";  //英文字母小写l，并非数字1    private final String EOL = System.getProperty("line.separator");    private String tessPath = "C://Program Files (x86)//Tesseract-OCR";//ocr默认安装路径private String transname="chi_sim";//默认中文语言包，识别中文/*** Construct method of OCR ,set Tesseract-OCR install path* @param tessPath Tesseract-OCR install path* @param transFileName traningFile name like eng.traineddata*/public OCRUtil(String tessPath,String transFileName){this.tessPath=tessPath;this.transname=transFileName;}/*** Construct method of OCR,default path is "C://Program Files (x86)//Tesseract-OCR"*/public OCRUtil(){     }public String getTessPath() {return tessPath;}public void setTessPath(String tessPath) {this.tessPath = tessPath;}public String getTransname() {return transname;}public void setTransname(String transname) {this.transname = transname;}public String getLANG_OPTION() {return LANG_OPTION;}public String getEOL() {return EOL;}/*** recognize text in image* @param imageFile* @param imageFormat* @return text recognized in image* @throws Exception*/public String recognizeText(File imageFile,String imageFormat)throws Exception{    File tempImage = new ImageIOHelper().createImage(imageFile,imageFormat);    return ocrImages(tempImage, imageFile);   }    /*** recognize text in image* @param imageFile* @param imageFormat* @param locale* @return text recognized in image* @throws Exception*/public String recognizeText(File imageFile,String imageFormat,Locale locale)throws Exception{    File tempImage = new ImageIOHelper(locale).createImage(imageFile,imageFormat);return ocrImages(tempImage, imageFile);}/*** * @param tempImage* @param imageFile* @return* @throws IOException* @throws InterruptedException*/private String ocrImages(File tempImage,File imageFile) throws IOException, InterruptedException{File outputFile = new File(imageFile.getParentFile(),"output");Runtime.getRuntime().exec("attrib "+"\""+outputFile.getAbsolutePath()+"\""+" +H"); //设置文件隐藏StringBuffer strB = new StringBuffer();    List<String> cmd = new ArrayList<String>();    if(OS.isWindowsXP()){    cmd.add(tessPath+"//tesseract");    }else if(OS.isLinux()){    cmd.add("tesseract");    }else{    cmd.add(tessPath+"//tesseract");    }    cmd.add("");    cmd.add(outputFile.getName());    cmd.add(LANG_OPTION);    cmd.add(transname);    ProcessBuilder pb = new ProcessBuilder();    pb.directory(imageFile.getParentFile());    cmd.set(1, tempImage.getName());    pb.command(cmd);    pb.redirectErrorStream(true);    Process process = pb.start();    int w = process.waitFor();    tempImage.delete();//删除临时正在工作文件         if(w==0){    BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(outputFile.getAbsolutePath()+".txt"),"UTF-8"));    String str;    while((str = in.readLine())!=null){    strB.append(str).append(EOL);    }    in.close();    }else{    String msg;    switch(w){    case 1:    msg = "Errors accessing files.There may be spaces in your image's filename.";    break;    case 29:    msg = "Cannot recongnize the image or its selected region.";    break;    case 31:    msg = "Unsupported image format.";    break;    default:    msg = "Errors occurred.";    }    tempImage.delete();    throw new RuntimeException(msg);    }    new File(outputFile.getAbsolutePath()+".txt").delete();    return strB.toString(); }
}