Да, вы можете использовать следующий код:
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.PointF;
import android.media.FaceDetector;
import android.util.SparseArray;
import com.google.android.gms.vision.Frame;
import com.piisoft.upecfacerecognition.utility.Image;
import java.io.File;
import java.util.List;
public class extractFacesFromImage {
public extractFacesFromImage(String imagePath , String OutPutPath , Context context){
File folder = new File(OutPutPath);
if(!folder.exists()){
folder.mkdirs();
}
detectFacesInImage(imagePath , OutPutPath, context);
}
private void detectFacesInImage(String imagePath , String OutPutPath){
//ImageWindow[] imageWindow = null;
Bitmap image = Image.bitmapFromJpg(imagePath);
FaceDetector.Face[] faces = detectFaces(image);
for(FaceDetector.Face fs:faces)
{
if(fs == null){continue;}
PointF midPoint=new PointF();
fs.getMidPoint(midPoint);
float eyeDistance=fs.eyesDistance();
int left = (int)(midPoint.x - (float)(1.4 * eyeDistance));
int top = (int)(midPoint.y - (float)(1.8 * eyeDistance));
Bitmap bmFace = Bitmap.createBitmap(image, (int) left, (int) top, (int) (2.8 * eyeDistance), (int) (3.6 * eyeDistance));
Bitmap bmp= bmFace.createBitmap(bmFace.getWidth(), bmFace.getHeight(), Bitmap.Config.ARGB_8888);
Image.saveBitmapToJpg(bmp,OutPutPath, "face_" + System.currentTimeMillis() +".jpg" ,256,256);
//ImageWindow Iw = new ImageWindow(fs.)
}
//return imageWindow;
}
private void detectFacesInImage(String imagePath , String OutPutPath, Context context){
//ImageWindow[] imageWindow = null;
Bitmap image = Image.bitmapFromJpg(imagePath);
if(image == null){
return;
}
SparseArray<com.google.android.gms.vision.face.Face> faces = detectFaces(image,context);
for (int i = 0; i < faces.size(); ++i) {
com.google.android.gms.vision.face.Face face = faces.valueAt(i);
if(face == null){continue;}
try {
Bitmap bmFace = Bitmap.createBitmap(image, (int) face.getPosition().x, (int) face.getPosition().y, (int) face.getWidth(), (int) face.getHeight());
Image.saveBitmapToJpg(bmFace, OutPutPath, "face_" + System.currentTimeMillis() + ".jpg",256);
}
catch (Exception e){
e.printStackTrace();
}
}
new File(imagePath).delete();
}
private SparseArray<com.google.android.gms.vision.face.Face> detectFaces(Bitmap image , Context context) {
int h = image.getHeight();
int w = image.getWidth();
int max = 10;
Frame frame = new Frame.Builder().setBitmap(image).build();
com.google.android.gms.vision.face.FaceDetector detector = new com.google.android.gms.vision.face.FaceDetector.Builder(context)
.setTrackingEnabled(false)
.setLandmarkType(com.google.android.gms.vision.face.FaceDetector.ALL_LANDMARKS)
.build();
SparseArray<com.google.android.gms.vision.face.Face> faces = detector.detect(frame);
detector.release();
return faces;
}
private FaceDetector.Face[] detectFaces(Bitmap image) {
int h = image.getHeight();
int w = image.getWidth();
int max = 10;
FaceDetector detector = new FaceDetector(w, h, max);
FaceDetector.Face[] faces = new FaceDetector.Face[max];
int facesFound = detector.findFaces(image, faces);
return faces;
}
}
Image.bitmapFromJpg (ImagePath) и Image.saveBitmapToJpg (bmFace, OutputPath "face_" + System.currentTimeMillis() + ".jpg", 256); Где эти методы! –
здесь вы можете найти полный проект https://github.com/codejq/UpecFaceRecognitionOpenC/tree/87b142a216dc6c046d5ab9f405ffb63b9130b225/app/src/main/java/com/piisoft/upecfacerecognition –