I use this one often:
Bonjour visiteur, Merci de vous Inscrire ou de vous connectez pour voir les liens!
Good Morning, how are you,
I´m getting lost, it´s givinme this error, and I don´t have any idea what is this ! Can you , please, help me ?
Thank you so much
===== Error =====
Date and time=11/02/2023 13:25:15
Message=Internal error.
System message=cv::Exception: OpenCV(4.4.0) /home/quickbirdstudios/opencv/opencv/modules/objdetect/src/cascadedetect.cpp:1689: error: (-215:Assertion failed) !empty() in function 'detectMultiScale'
Process=Click WIN_FaceRecog.BTN_Detectar_Face
WLanguage stack=Click WIN_FaceRecog.BTN_Detectar_Face
Java stack=org.opencv.objdetect.CascadeClassifier.detectMultiScale_5(Native Method)
org.opencv.objdetect.CascadeClassifier.detectMultiScale(CascadeClassifier.java:291)
com.mycompany.sigmaapontamento.wdgen.GWDCPCOL_OpenCVFaceRecog.DetectFaceOpenCv(GWDCPCOL_OpenCVFaceRecog.java:121)
com.mycompany.sigmaapontamento.wdgen.GWDFWIN_FaceRecog$GWDBTN_Detectar_Face.clicSurBoutonGauche(GWDFWIN_FaceRecog.java:400)
fr.pcsoft.wdjava.ui.h.executerTraitement(Unknown Source:125)
fr.pcsoft.wdjava.ui.champs.w.executerTraitement(Unknown Source:9)
fr.pcsoft.wdjava.ui.g.a(Unknown Source:4)
fr.pcsoft.wdjava.ui.g.appelPCode(Unknown Source:88)
fr.pcsoft.wdjava.ui.h.appelPCode(Unknown Source:0)
fr.pcsoft.wdjava.ui.champs.t.appelPCode(Unknown Source:9)
fr.pcsoft.wdjava.ui.h.appelPCode_TLM(Unknown Source:17)
fr.pcsoft.wdjava.ui.champs.bouton.WDBouton$a.onClick(Unknown Source:119)
android.view.View.performClick(View.java:8160)
android.widget.TextView.performClick(TextView.java:16222)
android.view.View.performClickInternal(View.java:8137)
android.view.View.access$3700(View.java:888)
android.view.View$PerformClick.run(View.java:30236)
android.os.Handler.handleCallback(Handler.java:938)
android.os.Handler.dispatchMessage(Handler.java:99)
android.os.Looper.loop(Looper.java:246)
android.app.ActivityThread.main(ActivityThread.java:865
java.lang.reflect.Method.invoke(Native Method)
com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)
Thread=id=2
name=main
priority=5
groupName=main
Fichiers attachés:
Isto é o que estou fazendo, sozinho:
importar android.widget.Toast;
importar android.graphics.BitmapFactory;
importar org.opencv.android.OpenCVLoader;
importar org.opencv.android.Utils;
importar android.widget.ImageView;
importar android.graphics.Bitmap;
importar android.os.Environment;
import org.opencv.core.*;
import org.opencv.core.MatOfRect;
import org.opencv.core.Rect;
import org.opencv.imgproc.Imgproc;
import org.opencv.objdetect.CascadeClassifier;
public static void DetectFaceOpenCv(String filePath)
{
OpenCVLoader.initDebug();
ImageView imsrc = (ImageView) getView("IMG_Src");
Bitmap capturadoImg = nulo;
captureImg = BitmapFactory.decodeFile(filePath);
Mat original = new Mat();
Usos. bitmapToMat(capturedImg, src);
CascadeClassifier faceDetector = new CascadeClassifier(Environment.getExternalStorageDirectory().toString()+"/lbpcascade_frontalface.xml");
//gray img --> equalizar histograma --> entrada para o classificador
Mat grayFrame = new Mat();
Imgproc.cvtColor(src, grayFrame, Imgproc.COLOR_BGR2GRAY);
Imgproc.equalizeHist(grayFrame, grayFrame);
MatOfRect facesDetetadas = new MatOfRect();
faceDetector.detectMultiScale(grayFrame, facesDetected); //as faces detectadas são retornadas em facesDetected
for (Rect faces: facesDetected. toArray()) {
imgproc.rectangle(
src, // onde desenhar a caixa
new Point(faces.x, faces.y), // canto inferior esquerdo
new Point(faces.x + faces.width, faces.y + faces.height), // canto superior direito
novo Escalar(0, 0, 255),
3 // chifre RGB
);
}
Utils.matToBitmap(src, captureImg);
imsrc.setScaleType(ImageView.ScaleType.FIT_XY);
imsrc.setImageBitmap(capturedImg);
}
Obrigado pela atenção!
