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자동으로 찍은 사진에서 얼굴을 감지하려고하지만 작동하지 않습니다. 내가 그림을 캡처 한 후에 ImageView로 보내면, 그 사진을 찍어 얼굴 검출을 시도합니다. 하지만 거기에 오류가있다, 비트 맵 R.drawble 필요하고 R.id 줄. 나는 임에게 초보자캡처 된 사진 안드로이드에서 어떻게 얼굴 인식을 할 수 있습니까?
public class MainActivity extends AppCompatActivity {
public static int cameraID = 0;
public static boolean isBlack = true;
public static ImageView image;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
image = (ImageView) findViewById(R.id.imgView);
Button btfront=(Button) findViewById(R.id.frontButton);
btfront.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v) {
onFrontClick(v);
facedetection(v);
}
});
}
public void onFrontClick(View v){
RadioButton rdbBlack = (RadioButton) findViewById(R.id.rdb_black);
if(rdbBlack.isChecked()){
isBlack = true;
}else{
isBlack = false;
}
cameraID = 1;
Intent i = new Intent(MainActivity.this,CameraView.class);
startActivityForResult(i, 999);
}
public void onBackClick(View v){
RadioButton rdbBlack = (RadioButton) findViewById(R.id.rdb_black);
if(rdbBlack.isChecked()){
isBlack = true;
}else{
isBlack = false;
}
cameraID = 0;
Intent i = new Intent(MainActivity.this,CameraView.class);
startActivityForResult(i, 999);
}
public void facedetection(View v)
{
BitmapFactory.Options options = new BitmapFactory.Options();
options.inMutable=true;
Bitmap myBitmap = BitmapFactory.decodeResource(
getApplicationContext().getResources(),
R.id.imgView,
options);
Paint myRectPaint = new Paint();
myRectPaint.setStrokeWidth(5);
myRectPaint.setColor(Color.RED);
myRectPaint.setStyle(Paint.Style.STROKE);
Bitmap tempBitmap = Bitmap.createBitmap(myBitmap.getWidth(), myBitmap.getHeight(), Bitmap.Config.RGB_565);
Canvas tempCanvas = new Canvas(tempBitmap);
tempCanvas.drawBitmap(myBitmap, 0, 0, null);
FaceDetector faceDetector = new
FaceDetector.Builder(getApplicationContext()).setTrackingEnabled(false)
.build();
if(!faceDetector.isOperational()){
new AlertDialog.Builder(v.getContext()).setMessage("Could not set up the face detector!").show();
return;
}
Frame frame = new Frame.Builder().setBitmap(myBitmap).build();
SparseArray<Face> faces = faceDetector.detect(frame);
for(int j=0; j<faces.size(); j++) {
Face thisFace = faces.valueAt(j);
float x1 = thisFace.getPosition().x;
float y1 = thisFace.getPosition().y;
float x2 = x1 + thisFace.getWidth();
float y2 = y1 + thisFace.getHeight();
tempCanvas.drawRoundRect(new RectF(x1, y1, x2, y2), 2, 2, myRectPaint);
}
image.setImageDrawable(new BitmapDrawable(getResources(),tempBitmap));
}
} 여기
내가 사진public class CameraView extends Activity implements SurfaceHolder.Callback, OnClickListener{
private static final String TAG = "CameraTest";
Camera mCamera;
boolean mPreviewRunning = false;
@SuppressWarnings("deprecation")
public void onCreate(Bundle icicle){
super.onCreate(icicle);
Log.e(TAG, "onCreate");
getWindow().setFormat(PixelFormat.TRANSLUCENT);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.cameraview);
ImageView img = (ImageView) findViewById(R.id.blankImage);
if(MainActivity.isBlack)
img.setBackgroundResource(android.R.color.black);
else
img.setBackgroundResource(android.R.color.white);
mSurfaceView = (SurfaceView) findViewById(R.id.surface_camera);
mSurfaceView.setOnClickListener(this);
mSurfaceHolder = mSurfaceView.getHolder();
mSurfaceHolder.addCallback(this);
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState){
super.onRestoreInstanceState(savedInstanceState);
}
Camera.PictureCallback mPictureCallback = new Camera.PictureCallback() {
public void onPictureTaken(byte[] data, Camera camera) {
// TODO Auto-generated method stub
if (data != null){
//Intent mIntent = new Intent();
//mIntent.putExtra("image",imageData);
mCamera.stopPreview();
mPreviewRunning = false;
mCamera.release();
try{
BitmapFactory.Options opts = new BitmapFactory.Options();
Bitmap bitmap= BitmapFactory.decodeByteArray(data, 0, data.length,opts);
bitmap = Bitmap.createScaledBitmap(bitmap, 300, 300, false);
int width = bitmap.getWidth();
int height = bitmap.getHeight();
int newWidth = 300;
int newHeight = 300;
// calculate the scale - in this case = 0.4f
float scaleWidth = ((float) newWidth)/width;
float scaleHeight = ((float) newHeight)/height;
// createa matrix for the manipulation
Matrix matrix = new Matrix();
// resize the bit map
matrix.postScale(scaleWidth, scaleHeight);
// rotate the Bitmap
matrix.postRotate(-90);
Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0,
width, height, matrix, true);
MainActivity.image.setImageBitmap(resizedBitmap);
}catch(Exception e){
e.printStackTrace();
}
//StoreByteImage(mContext, imageData, 50,"ImageName");
//setResult(FOTO_MODE, mIntent);
setResult(585);
finish();
}
}
};
protected void onResume(){
Log.e(TAG, "onResume");
super.onResume();
}
protected void onSaveInstanceState(Bundle outState){
super.onSaveInstanceState(outState);
}
protected void onStop(){
Log.e(TAG, "onStop");
super.onStop();
}
@TargetApi(9)
public void surfaceCreated(SurfaceHolder holder){
Log.e(TAG, "surfaceCreated");
mCamera = Camera.open(MainActivity.cameraID);
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
Log.e(TAG, "surfaceChanged");
// XXX stopPreview() will crash if preview is not running
if (mPreviewRunning){
mCamera.stopPreview();
}
Camera.Parameters p = mCamera.getParameters();
p.setPreviewSize(300, 300);
if(MainActivity.cameraID == 0){
String stringFlashMode = p.getFlashMode();
if (stringFlashMode.equals("torch"))
p.setFlashMode("on"); // Light is set off, flash is set to normal 'on' mode
else
p.setFlashMode("torch");
}
mCamera.setParameters(p);
try{
mCamera.setPreviewDisplay(holder);
}catch (Exception e){
// TODO Auto-generated catch block
e.printStackTrace();
}
mCamera.startPreview();
mPreviewRunning = true;
mCamera.takePicture(null, mPictureCallback, mPictureCallback);
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.e(TAG, "surfaceDestroyed");
//mCamera.stopPreview();
//mPreviewRunning = false;
//mCamera.release();
}
private SurfaceView mSurfaceView;
private SurfaceHolder mSurfaceHolder;
public void onClick(View v) {
// TODO Auto-generated method stub
mCamera.takePicture(null, mPictureCallback, mPictureCallback);
}
}