Exemple #1
0
  private void setDetectorType(int type) {
    if (mDetectorType != type) {
      mDetectorType = type;

      if (type == NATIVE_DETECTOR) {
        Log.i(TAG, "Detection Based Tracker enabled");
        mNativeDetector.start();
      } else {
        Log.i(TAG, "Cascade detector enabled");
        mNativeDetector.stop();
      }
    }
  }
Exemple #2
0
  public Mat onCameraFrame(CvCameraViewFrame inputFrame) {

    mRgba = inputFrame.rgba();
    mGray = inputFrame.gray();

    if (mAbsoluteFaceSize == 0) {
      int height = mGray.rows();
      if (Math.round(height * mRelativeFaceSize) > 0) {
        mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize);
      }
      mNativeDetector.setMinFaceSize(mAbsoluteFaceSize);
    }

    MatOfRect faces = new MatOfRect();

    if (mDetectorType == JAVA_DETECTOR) {
      if (mJavaDetector != null)
        mJavaDetector.detectMultiScale(
            mGray,
            faces,
            1.1,
            2,
            2, // TODO: objdetect.CV_HAAR_SCALE_IMAGE
            new Size(mAbsoluteFaceSize, mAbsoluteFaceSize),
            new Size());
    } else if (mDetectorType == NATIVE_DETECTOR) {
      if (mNativeDetector != null) mNativeDetector.detect(mGray, faces);
    } else {
      Log.e(TAG, "Detection method is not selected!");
    }

    Rect[] facesArray = faces.toArray();
    for (int i = 0; i < facesArray.length; i++)
      Core.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);

    return mRgba;
  }