Java TessBaseAPI.init方法代码示例

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
public String detectText(Bitmap bitmap) {
    Log.d(TAG, "Initialization of TessBaseApi");
    TessDataManager.initTessTrainedData(context);
    TessBaseAPI tessBaseAPI = new TessBaseAPI();
    String path = TessDataManager.getTesseractFolder();
    Log.d(TAG, "Tess folder: " + path);
    tessBaseAPI.setDebug(true);
    tessBaseAPI.init(path, "eng");
    // 白名单
    tessBaseAPI.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
    // 黑名单
    tessBaseAPI.setVariable(TessBaseAPI.VAR_CHAR_BLACKLIST, "[email protected]#$%^&*()_+=-[]}{;:'\"\\|~`,./<>?"); 
    tessBaseAPI.setPageSegMode(TessBaseAPI.PageSegMode.PSM_AUTO_OSD);
    Log.d(TAG, "Ended initialization of TessEngine");
    Log.d(TAG, "Running inspection on bitmap");
    tessBaseAPI.setImage(bitmap);
    String inspection = tessBaseAPI.getHOCRText(0);

    Log.d(TAG, "Confidence values: " + tessBaseAPI.meanConfidence());
    tessBaseAPI.end();
    System.gc();
    return Tools.getTelNum(inspection);
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
/**
 * Initializes Tesseract library using traineddata file.
 * Should not be called directly, is public for testing.
 */
public void init() {
    baseApi = new TessBaseAPI();
    baseApi.setDebug(true);
    String path = Environment.getExternalStorageDirectory() + "/" + Util.FOLDER_DIGITAL_VOTING_PASS + "/";
    File trainedDataFile = new File(path, TesseractOCR.FOLDER_TESSERACT_DATA + "/" + trainedData);
    try {
        mDeviceStorageAccessLock.acquire();
        if (!trainedDataFile.exists()) {
            Log.i(TAG, "No existing trained data found, copying from assets..");
            Util.copyAssetsFile(assetManager.open(trainedData), trainedDataFile);
        } else {
            Log.i(TAG, "Existing trained data found");
        }
        mDeviceStorageAccessLock.release();
        baseApi.init(path, trainedData.replace(TesseractOCR.TRAINED_DATA_EXTENSION, "")); //extract language code from trained data file
    } catch (IOException | InterruptedException e) {
        e.printStackTrace();
        //TODO show error to user, coping failed
    }
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
@Override
protected String doInBackground(String... params) {
	runOnUiThread(new Runnable() {
		@Override
		public void run() {
			ProgressWheel pBar = (ProgressWheel) findViewById(R.id.progressBar);
			pBar.setVisibility(View.VISIBLE);
			pBar.spin();
			pBar.setText("Fetching...");		
		}
	});
	// Sets Up Tesseract for text recognition.
	baseApi = new TessBaseAPI();
	baseApi.init(Environment.getExternalStorageDirectory() +   "/tesseract/", "eng");
	//baseApi.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST,"ABCDEFGHIJKLMNOPQRSTUVWXYZ");
	baseApi.setVariable("load_system_dawg","F");
	baseApi.setVariable("load_freq_dawg","F");
	baseApi.setPageSegMode(TessBaseAPI.PageSegMode.PSM_AUTO_OSD);
	for (String key : card.getPatternMap().keySet()) {
		if(card.getPatternMap().get(key).getResource().matches("[t][e][x][t].*")) fetchTextNew(card.getPattern(key).getResource());
	}
	baseApi.end();
	return "sucess";
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode != RESULT_OK) {
        return;
    }

    if (requestCode == cameraResultCode) {
        Bundle extras = data.getExtras();
        Bitmap bmp = (Bitmap) extras.get("data");
        image.setImageBitmap(bmp);
        
        TessBaseAPI baseApi = new TessBaseAPI();
        baseApi.init("/mnt/sdcard/tesseract/", "chi_tra");
        baseApi.setPageSegMode(TessBaseAPI.PageSegMode.PSM_SINGLE_LINE);
        baseApi.setImage(bmp);
        String outputText = baseApi.getUTF8Text();
        tessResults.setText(outputText);
    }


    super.onActivityResult(requestCode, resultCode, data);
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_orc_bitmap);
    findView();

    mTextBitmap = getTextImage("你好", 300, 300);
    image.setImageBitmap(mTextBitmap);

    baseApi = new TessBaseAPI();
    baseApi.init("/mnt/sdcard/tesseract/", "chi_tra");
    baseApi.setPageSegMode(TessBaseAPI.PageSegMode.PSM_SINGLE_LINE);
    baseApi.setImage(mTextBitmap);
    String outputText = baseApi.getUTF8Text();
    tessResults.setText(outputText);
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
@SmallTest
public void testSetImage() {
    // First, make sure the eng.traineddata file exists.
    assertTrue("Make sure that you've copied " + DEFAULT_LANGUAGE + ".traineddata to "
            + EXPECTED_FILE, new File(EXPECTED_FILE).exists());

    // Attempt to initialize the API.
    final TessBaseAPI baseApi = new TessBaseAPI();
    baseApi.init(TESSBASE_PATH, DEFAULT_LANGUAGE);

    // Set the image to a Bitmap.
    final Bitmap bmp = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888);
    baseApi.setImage(bmp);

    // Attempt to stesthut down the API.
    baseApi.end();
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
@Override
public void run() {
    if (originBitmap == null) {
        scanFailed(getString(R.string.string_null_pic_single));
        return;
    }
    if (originBitmap.getConfig() != Bitmap.Config.ARGB_8888) {
        scanFailed(getString(R.string.string_pic_not_a888));
        return;
    }
    try {
        TessBaseAPI api = new TessBaseAPI();
        api.init(Common.getTessDataDir(context), Common.getLanguage(context));
        api.setImage(originBitmap.copy(Bitmap.Config.ARGB_8888, true));
        final String result = api.getUTF8Text();
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                if (isStarting && !isFinishing()) {
                    scanSuccess(result);
                }
            }
        });
        originBitmap.recycle();
        api.clear();
        api.end();
    } catch (final Exception e) {
        e.printStackTrace();
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                if (getString(R.string.error_tessdata_folder).equals(e.getMessage())) {
                    scanFailed(getString(R.string.string_tess_not_ready));
                } else {
                    scanFailed(e.getMessage());
                }
            }
        });
    }
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
/**
 * Initializes the OCR helper and readies it for use.
 *
 * @param dataPath Path the OCR data files.
 * @return Bitmap with replaced colors
 */
public static synchronized OcrHelper init(@NonNull String dataPath,
                                          @NonNull PokeInfoCalculator pokeInfoCalculator,
                                          @NonNull GoIVSettings settings) {
    if (instance == null) {
        tesseract = new TessBaseAPI();
        tesseract.init(dataPath, "eng");
        tesseract.setPageSegMode(TessBaseAPI.PageSegMode.PSM_SINGLE_LINE);
        tesseract.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST,
                "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789/♀♂");

        nidoFemale = pokeInfoCalculator.get(28).name;
        nidoMale = pokeInfoCalculator.get(31).name;
        nidoUngendered = nidoFemale.replace("♀", "").toLowerCase();

        ocrCache = new LruCache<>(200);
        appraisalCache = new LruCache<>(200);

        candyWordFirst = isCandyWordFirst();

        instance = new OcrHelper();
    }

    isPokeSpamEnabled = settings.isPokeSpamEnabled();

    Map<String, String> appraisalMap = settings.loadAppraisalCache();
    for (Map.Entry<String, String> entry : appraisalMap.entrySet()) {
        appraisalCache.put(entry.getKey(), entry.getValue());
    }

    return instance;
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
private void recognizeText(){
    String language = "";
    if (Binarization.language == 0)
        language = "eng";
    else
        language= "spa";

    baseApi = new TessBaseAPI();
    baseApi.init(DATA_PATH, language,TessBaseAPI.OEM_TESSERACT_ONLY);
    baseApi.setImage(Binarization.umbralization);
    textScanned = baseApi.getUTF8Text();

}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
public OcrRunnable(MainService context, CaptureWindow captureWindow){
    mContext = context;
    mCaptureWindow = captureWindow;
    mBox = null;

    mTessBaseAPI = new TessBaseAPI();
    String storagePath = mContext.getExternalFilesDir(null).getAbsolutePath();
    Log.e(TAG, storagePath);
    mTessBaseAPI.init(storagePath, "jpn");
    //mTessBaseAPI.setPageSegMode(TessBaseAPI.PageSegMode.PSM_SINGLE_BLOCK_VERT_TEXT);
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
private String digitRecognition(Bitmap bitmap) {
	TessBaseAPI tess = new TessBaseAPI();
	tess.init(DATA_PATH, lang);
	tess.setVariable("tessedit_char_whitelist", "0123456789");
	tess.setImage(bitmap);
	String stopNumber = tess.getUTF8Text();
	tess.end();
	
	return stopNumber;
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
public TessOCR() {
	// TODO Auto-generated constructor stub
	mTess = new TessBaseAPI();
	String datapath = Environment.getExternalStorageDirectory() + "/tesseract/";
	String language = "eng";
	File dir = new File(datapath + "tessdata/");
	if (!dir.exists()) 
		dir.mkdirs();
	mTess.init(datapath, language);
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
@SmallTest
public void testInit() {
    // First, make sure the eng.traineddata file exists.
    assertTrue("Make sure that you've copied " + DEFAULT_LANGUAGE + ".traineddata to "
            + EXPECTED_FILE, new File(EXPECTED_FILE).exists());

    // Attempt to initialize the API.
    final TessBaseAPI baseApi = new TessBaseAPI();
    baseApi.init(TESSBASE_PATH, DEFAULT_LANGUAGE);

    // Attempt to shut down the API.
    baseApi.end();
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
public String go(String s)
{
	String result=null;
	TessBaseAPI tess = new TessBaseAPI();    	
	String path = s;
	tess.init(TESSBASE_PATH, DEFAULT_LANGUAGE);
	File image=new File(path);
	tess.setImage(image);
	result = tess.getUTF8Text();    
	return result;
}
 

import com.googlecode.tesseract.android.TessBaseAPI; //导入方法依赖的package包/类
@SmallTest
public void testGetUTF8Text() {
    // First, make sure the eng.traineddata file exists.
    assertTrue("Make sure that you've copied " + DEFAULT_LANGUAGE + ".traineddata to "
            + EXPECTED_FILE, new File(EXPECTED_FILE).exists());

    final String inputText = "hello baby";

    // Attempt to initialize the API.
    final TessBaseAPI baseApi = new TessBaseAPI();
    baseApi.init(TESSBASE_PATH, DEFAULT_LANGUAGE);
    baseApi.setPageSegMode(TessBaseAPI.PSM_SINGLE_LINE);

    // Set the image to a Bitmap containing "hello".
    final Bitmap bmp = Bitmap.createBitmap(640, 480, Bitmap.Config.ARGB_8888);
    final Paint paint = new Paint();
    final Canvas canvas = new Canvas(bmp);

    paint.setColor(Color.WHITE);
    paint.setStyle(Style.FILL);
    canvas.drawRect(new Rect(0, 0, 640, 480), paint);

    paint.setColor(Color.BLACK);
    paint.setStyle(Style.FILL);
    paint.setAntiAlias(true);
    paint.setTextAlign(Align.CENTER);
    paint.setTextSize(24.0f);
    canvas.drawText(inputText, 320, 240, paint);

    baseApi.setImage(bmp);

    // Ensure that the result is correct.
    final String outputText = baseApi.getUTF8Text();
    assertTrue("\"" + outputText + "\" != \"" + inputText + "\"", inputText.equals(outputText));

    // Attempt to shut down the API.
    baseApi.end();
    bmp.recycle();
}