Example usage for android.media FaceDetector findFaces

Introduction

In this page you can find the example usage for android.media FaceDetector findFaces.

Prototype

public int findFaces(Bitmap bitmap, Face[] faces) 

Source Link

Document

Finds all the faces found in a given android.graphics.Bitmap .

Usage

From source file:Main.java

private static PointF findFaceMid(Bitmap in) {
    PointF mid = new PointF();
    Bitmap bitmap565 = in.copy(Bitmap.Config.RGB_565, true);

    FaceDetector fd = new FaceDetector(in.getWidth(), in.getHeight(), 1);
    FaceDetector.Face[] faces = new FaceDetector.Face[1];
    fd.findFaces(bitmap565, faces);

    FaceDetector.Face face = faces[0];/*  www .  j a  v a 2  s.  com*/
    if (face != null) {
        try {
            face.getMidPoint(mid);
            return mid;
        } catch (NullPointerException n) {
        }
    }
    return null;

}

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From source file:Main.java

private static PointF findFaceMid(Bitmap in) {
    PointF mid = new PointF();
    Bitmap bitmap565 = in.copy(Bitmap.Config.RGB_565, true);

    FaceDetector fd = new FaceDetector(in.getWidth(), in.getHeight(), 1);
    FaceDetector.Face[] faces = new FaceDetector.Face[1];
    fd.findFaces(bitmap565, faces);

    FaceDetector.Face face = faces[0];/*from   w w  w  .  ja v a 2  s  . c om*/
    if (face != null) {
        try {
            face.getMidPoint(mid);
            return mid;
        } catch (NullPointerException n) {
            // FIXME please fix this horrible NPE catch block
            Log.e("Error", n.getLocalizedMessage());
        }
    }
    return null;

}

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From source file:com.jwork.spycamera.CameraTaskService.java

public String getPrivacy(Bitmap sourceImage) {
    int MAX_FACES = 10;
    FaceDetector fd;
    FaceDetector.Face[] faces = new FaceDetector.Face[MAX_FACES];

    int count = 0;
    try {/*from  w  ww.  j a v a2s  .  c o m*/
        fd = new FaceDetector(sourceImage.getWidth(), sourceImage.getHeight(), MAX_FACES);
        count = fd.findFaces(sourceImage, faces);
    } catch (Exception e) {
        return null;
    }

    if (count == 0 || count > 1)
        return "Public";
    else
        return "Private";
}

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From source file:uk.co.senab.photup.model.PhotoUpload.java

public void detectPhotoTags(final Bitmap originalBitmap) {
    // If we've already done Face detection, don't do it again...
    if (mCompletedDetection) {
        return;//from  w w  w.  j a  v a  2s  . c  o  m
    }

    final OnFaceDetectionListener listener = mFaceDetectListener.get();
    if (null != listener) {
        listener.onFaceDetectionStarted(this);
    }

    final int bitmapWidth = originalBitmap.getWidth();
    final int bitmapHeight = originalBitmap.getHeight();

    Bitmap bitmap = originalBitmap;

    // The Face detector only accepts 565 bitmaps, so create one if needed
    if (Bitmap.Config.RGB_565 != bitmap.getConfig()) {
        bitmap = originalBitmap.copy(Bitmap.Config.RGB_565, false);
    }

    final FaceDetector detector = new FaceDetector(bitmapWidth, bitmapHeight,
            Constants.FACE_DETECTOR_MAX_FACES);
    final FaceDetector.Face[] faces = new FaceDetector.Face[Constants.FACE_DETECTOR_MAX_FACES];
    final int detectedFaces = detector.findFaces(bitmap, faces);

    // We must have created a converted 565 bitmap
    if (bitmap != originalBitmap) {
        bitmap.recycle();
        bitmap = null;
    }

    if (Flags.DEBUG) {
        Log.d(LOG_TAG, "Detected Faces: " + detectedFaces);
    }

    FaceDetector.Face face;
    final PointF point = new PointF();
    for (int i = 0, z = faces.length; i < z; i++) {
        face = faces[i];
        if (null != face) {
            if (Flags.DEBUG) {
                Log.d(LOG_TAG, "Detected Face with confidence: " + face.confidence());
            }
            face.getMidPoint(point);
            addPhotoTag(new PhotoTag(point.x, point.y, bitmapWidth, bitmapWidth));
        }
    }

    if (null != listener) {
        listener.onFaceDetectionFinished(this);
    }
    mFaceDetectListener = null;

    mCompletedDetection = true;
}

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