本文整理汇总了Java中net.sourceforge.tess4j.Tesseract类的典型用法代码示例。如果您正苦于以下问题：Java Tesseract类的具体用法？Java Tesseract怎么用？Java Tesseract使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
Tesseract类属于net.sourceforge.tess4j包，在下文中一共展示了Tesseract类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: map
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public void map(LongWritable key, Text url, OutputCollector<Text, Text> output, Reporter reporter) throws IOException {
File videoDownloadDir = Files.createTempDir();
VGet v = new VGet(new URL(url.toString()), videoDownloadDir);
v.download();
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
File[] videoFiles = videoDownloadDir.listFiles();
Arrays.sort(videoFiles);
File[] videoFramesFiles = VideoProcessing.parseVideo(videoFiles[0], 70);
File[] processedVideoFrames = VideoProcessing.cutImages(videoFramesFiles);
Tesseract instance = Tesseract.getInstance();
instance.setDatapath("/usr/share/tesseract-ocr");
instance.setTessVariable("LC_NUMERIC", "C");
for (File image: processedVideoFrames) {
String result = null;
try {
result = instance.doOCR(image);
} catch (TesseractException e) {
e.printStackTrace();
}
if (!result.isEmpty()) {
word.set(result);
output.collect(url, word);
}
}
}
示例2: main
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public static void main(final String[] args) {
try {
String _property = System.getProperty("java.io.tmpdir");
System.out.println(_property);
String _env = System.getenv("TESSDATA_PREFIX");
System.out.println(_env);
Image _image = new Image("d:\\test\\pdf\\test10.png");
BufferedImage orgin = _image.getAsBufferedImage();
BufferedImage textImage = ImageHelper.convertImageToGrayscale(orgin);
int _width = textImage.getWidth();
int _multiply = (_width * 5);
int _height = textImage.getHeight();
int _multiply_1 = (_height * 5);
BufferedImage _scaledInstance = ImageHelper.getScaledInstance(textImage, _multiply, _multiply_1);
textImage = _scaledInstance;
Tesseract instance = Tesseract.getInstance();
instance.setLanguage("chi_sim");
System.out.println("instance done");
String result = instance.doOCR(textImage);
System.out.println(result);
} catch (Throwable _e) {
throw Exceptions.sneakyThrow(_e);
}
}
示例3: recognizeText
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
/**
* Zooms the text image to make it easier to read
* */
public static String recognizeText(Image image) {
LibraryLoaderSingleton.getInstance();
Image scaledImage = image.scale(8);
Tesseract instance = Tesseract.getInstance(); // JNA Interface Mapping
instance.setLanguage("eng");
System.setProperty("jna.encoding", "UTF8");
instance.setOcrEngineMode(TessAPI.TessOcrEngineMode.OEM_DEFAULT);
try {
String result = instance.doOCR(scaledImage.getInnerImage());
return result;
} catch (TesseractException e) {
throw new IllegalStateException(e);
}
catch(Exception ex){
throw new IllegalStateException("An error during text recognition was encountered.");
}
}
示例4: recognizeYText
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public static String recognizeYText(Image image) {
LibraryLoaderSingleton.getInstance();
Image scaledImage = image.scale(8);
Tesseract instance = Tesseract.getInstance(); // JNA Interface Mapping
instance.setLanguage("eng");
System.setProperty("jna.encoding", "UTF8");
instance.setOcrEngineMode(TessAPI.TessOcrEngineMode.OEM_DEFAULT);
try {
String result = instance.doOCR(scaledImage.getInnerImage());
return result;
} catch (TesseractException e) {
throw new IllegalStateException(e);
}
catch(Exception ex){
throw new IllegalStateException("An error during text recognition was encountered.");
}
}
示例5: main
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public static void main(String[] args) {
ITesseract instance = new Tesseract();
instance.setLanguage("eng");
try {
String result;
result = instance.doOCR(new File("OCRExample.png"));
System.out.println(result);
} catch (TesseractException e) {
System.err.println(e.getMessage());
}
}
开发者ID:PacktPublishing，项目名称:Machine-Learning-End-to-Endguide-for-Java-developers，代码行数:12，代码来源:TessrJExample.java
示例6: main
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public static void main(String[] args){
try {
boolean load = true;
load = false;
// BufferedImage image = ImageIO.read(new URL("http://www.miitbeian.gov.cn/captcha.jpg")) ;
// if(load){
// ImageIO.write(image, "jpg", new File("E:/captcha.jpg") );
// }else{
// image = ImageIO.read(new File("D:\\爬虫测试\\yzm\\111.png")) ;
// }
BufferedImage image = ImageIO.read(new File("D:\\爬虫测试\\yzm\\11.jpg")) ;
// image = ImageUtil.grayFilter(image);
image = ImageUtil.binaryFilter(image);
image = ImageUtil.lineFilter(image);
// image = ImageUtil.lineFilter(image);
// image = ImageUtil.line2Filter(image);
// image = ImageUtil.point2Filter(image);
// image = ImageUtil.lineFilter(image);
image = ImageUtil.meanFilter(image);
// image = ImageUtil.lineFilter(image);
// image = ImageUtil.binaryFilter(image);
File imageFile = new File("E:/captcha5.jpg");
// imageFile = new File("E:/test/test.jpg");
ImageIO.write(image, "jpg", imageFile);
Tesseract tesseract = Tesseract.getInstance();
tesseract.setLanguage("eng");
String code = tesseract.doOCR(imageFile);
System.out.println(code);
} catch (Exception e) {
e.printStackTrace();
}
}
示例7: detect
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
@Override
public String detect(String filePath) {
File imageFile = new File(filePath);
Tesseract tess = new Tesseract();
tess.setLanguage("hun");
try {
String result = tess.doOCR(imageFile);
return result;
} catch (TesseractException e) {
return "ERROR";
}
}
示例8: getConvertedBoard
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public static char[][] getConvertedBoard(BufferedImage[] tiles) throws TesseractException {
Tesseract reader = new Tesseract();
char[][] ret = new char[Player.BOARD_HEIGHT][Player.BOARD_WIDTH];
BufferedImage processedImage;
String convertedTile;
for(int j = 0; j < Player.BOARD_HEIGHT; j++) {
for(int k = 0; k < Player.BOARD_WIDTH; k++) {
processedImage = ImageHelper.convertImageToGrayscale(tiles[j*Player.BOARD_HEIGHT+k]);
convertedTile = reader.doOCR(processedImage);
ret[j][k] = BoardConstructor.getLastAlpha(convertedTile);
}
}
return ret;
}
示例9: OCR
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public String OCR(SerializableImage image) {
try {
String hh = Tesseract.getInstance().doOCR(image.getImage());
// System.out.println(hh);
log.info("Read: " + hh);
return hh;
} catch (TesseractException e) {
e.printStackTrace();
}
return null;
}
示例10: ocr
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public static String ocr(File file) {
Tesseract instance = Tesseract.getInstance(); // JNA Interface Mapping
instance.setDatapath(tessdataPath);
instance.setLanguage("eng");
//instance.setLanguage("number");
String result = "";
try {
result = instance.doOCR(file);
} catch (TesseractException e) {
System.err.println(e.getMessage());
} finally {
}
return result;
}
示例11: ocr
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public String ocr(BufferedImage image) {
try {
String hh = Tesseract.getInstance().doOCR(image);
// System.out.println(hh);
log.info("Read: " + hh);
return hh;
} catch (TesseractException e) {
e.printStackTrace();
}
return null;
}
示例12: recognizeXText
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
public static String recognizeXText(Image image) {
LibraryLoaderSingleton.getInstance();
Tesseract instance = Tesseract.getInstance(); // JNA Interface Mapping
instance.setOcrEngineMode(TessAPI.TessOcrEngineMode.OEM_TESSERACT_ONLY);
BufferedImage img = getScaledImage(image.getInnerImage(), image.getInnerImage().getWidth()*2, image.getInnerImage().getHeight()*2);
img = thresholdImage(img, 165);
try {
String result = instance.doOCR(img);
return result;
} catch (TesseractException e) {
throw new IllegalStateException(e);
}
catch(Exception ex){
throw new IllegalStateException("An error during text recognition was encountered.");
}
}
示例13: performOcr
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
/**
* Perform the actual OCR using Tesseract.
*
* @param image An image to be processed by OCR. Should be cropped and filtered to ensure the contrast is sufficient.
* @return The text that was recognised in the image
*/
protected String performOcr(BufferedImage image, int iteration) throws OcrException {
try {
Tesseract instance = Tesseract.getInstance();
instance.setPageSegMode(getTesseractPageSegMode(iteration));
String output = instance.doOCR(image);
return output.trim();
} catch (Exception e) {
throw new OcrException("Error performing OCR", e);
}
}
示例14: doOcrFile
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
@RequestMapping(value = "ocr/v0.9/upload", method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
public Status doOcrFile(@RequestBody final Image image) throws Exception {
File tmpFile = File.createTempFile("ocr_image", image.getExtension());
try {
FileUtils.writeByteArrayToFile(tmpFile, Base64.decodeBase64(image.getImage()));
Tesseract tesseract = Tesseract.getInstance(); // JNA Interface Mapping
String imageText = tesseract.doOCR(tmpFile);
LOGGER.debug("OCR Image Text = " + imageText);
} catch (Exception e) {
LOGGER.error("Exception while converting/uploading image: ", e);
throw new TesseractException();
} finally {
tmpFile.delete();
}
return new Status("success");
}
示例15: doOcr
import net.sourceforge.tess4j.Tesseract; //导入依赖的package包/类
@RequestMapping(value = "ocr/v1/upload", method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
public Status doOcr(@RequestBody Image image) throws Exception {
try {
//FileUtils.writeByteArrayToFile(tmpFile, Base64.decodeBase64(image.getImage()));
ByteArrayInputStream bis = new ByteArrayInputStream(Base64.decodeBase64(image.getImage()));
Tesseract tesseract = Tesseract.getInstance(); // JNA Interface Mapping
String imageText = tesseract.doOCR(ImageIO.read(bis));
image.setText(imageText);
repository.save(image);
LOGGER.debug("OCR Result = " + imageText);
} catch (Exception e) {
LOGGER.error("TessearctException while converting/uploading image: ", e);
throw new TesseractException();
}
return new Status("success");
}