Example usage for org.opencv.objdetect CascadeClassifier empty

Introduction

In this page you can find the example usage for org.opencv.objdetect CascadeClassifier empty.

Prototype

public boolean empty() 

Source Link

Usage

From source file:com.raulh82vlc.face_detection_sample.opencv.presentation.FDOpenCVPresenter.java

License:Apache License

private synchronized CascadeClassifier initializeJavaDetector(File cascadeFile) {
    CascadeClassifier detector = new CascadeClassifier(cascadeFile.getAbsolutePath());
    detector.load(cascadeFile.getAbsolutePath());
    if (detector.empty()) {
        Log.e(TAG, "Failed to load cascade classifier");
        detector = null;/*from   w  w  w . j  a  va2 s. co m*/
    } else {
        Log.i(TAG, "Loaded cascade classifier from " + cascadeFile.getAbsolutePath());
    }
    return detector;
}

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From source file:interactivespaces.activity.image.vision.opencv.outline.ImageOpenCvVisionFaceDetectActivity.java

License:Apache License

/**
 * Get the classifier to use./*from   w w  w  .j  a  va 2 s .  c  o m*/
 *
 * @param classifierName
 *          the name of the classifier
 *
 * @return the classifier
 */
private CascadeClassifier getClassifier(String classifierName) {
    File haarCascadesDirectoryPath = new File(getSpaceEnvironment().getFilesystem().getInstallDirectory(),
            CASCADE_DATA_ROOT);

    String classifierPath = new File(haarCascadesDirectoryPath, classifierName).getAbsolutePath();
    CascadeClassifier classifier = new CascadeClassifier(classifierPath);
    if (classifier.empty()) {
        throw new SimpleInteractiveSpacesException(
                String.format("Cannot find face classification file %s", classifierPath));
    }

    return classifier;
}

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