Java TessBaseAPI.setVariable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
@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
/**
 * 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 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
protected void populateMap(Bitmap bmp) throws ExecutionException, InterruptedException
{
    Log.i("info", String.format("Image size: %d x %d", bmp.getWidth(), bmp.getHeight()));

    // Attempt to initialize the API.
    final TessBaseAPI baseApi = new TessBaseAPI();
    baseApi.init(sTessBasePath.get(), DEFAULT_LANGUAGE);
    baseApi.setPageSegMode(TessBaseAPI.PageSegMode.PSM_SINGLE_BLOCK);
    baseApi.setImage(bmp);
    Pixa allLinesPixa = baseApi.getTextlines();
    Log.i("info", String.format("allLinesPixa.size() == %d", allLinesPixa.size()));

    baseApi.setPageSegMode(PageSegMode.PSM_SINGLE_LINE);
    Rect boxRect = allLinesPixa.getBoxRect(1);
    baseApi.setRectangle(boxRect);
    mStatsMap.put(mAgentStr, baseApi.getUTF8Text().replaceFirst(" .*$", ""));
    Log.i("info", "Recognized Agent Name: " + mStatsMap.get(mAgentStr));

    boolean varStatus = baseApi.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST, "0123456789,");
    baseApi.setRectangle(allLinesPixa.getBoxRect(3));
    mStatsMap.put(mApStr, baseApi.getUTF8Text().split("\\s")[0]);
    varStatus = baseApi.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST, "");
    Log.i("info", "AP: " + mStatsMap.get(mApStr));

    for (Rect curRect : allLinesPixa.getBoxRects())
    {
        baseApi.setRectangle(curRect);
        String text = baseApi.getUTF8Text();
        for (Pair<String, Integer> statNamePair : mStatNames)
        {
            if (text.startsWith(statNamePair.first))
            {
                varStatus = baseApi.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST, "0123456789,M");
                baseApi.setRectangle(curRect);
                String[] splitStatString = baseApi.getUTF8Text().split("\\s");
                int pos = statNamePair.second < 0 ? splitStatString.length+statNamePair.second : statNamePair.second;
                mStatsMap.put(statNamePair.first, splitStatString[pos]);
                varStatus = baseApi.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST, "");
                break;
            }
        }
    }
    baseApi.end();
}