opencv+人脸检测（Java版）

import java.awt.Image; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; import org.opencv.core.Core; import org.opencv.core.CvType; import org.opencv.core.Mat; import org.opencv.core.MatOfRect; import org.opencv.core.Point; import org.opencv.core.Rect; import org.opencv.core.Scalar; import org.opencv.highgui.Highgui; import org.opencv.objdetect.CascadeClassifier; import com.sun.javafx.css.FontFace; import sun.font.FontScaler; public class FaceRecognit { private Mat image; private CascadeClassifier classifier; private MatOfRect matOfRect; public FaceRecognit() { super(); // TODO Auto-generated constructor stub classifier = new CascadeClassifier(getClass().getResource("lbpcascade_frontalface.xml").getPath().substring(1)); } public void writeImage(Mat frame){ image=frame.clone(); matOfRect = new MatOfRect(); classifier.detectMultiScale(image, matOfRect); for (Rect rect : matOfRect.toArray()) { //Core.rectangle(image, new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height), new Scalar(0, 255, 0)); Core.circle(image, new Point(rect.x+rect.width/2, rect.y+rect.height/2), rect.width/2, new Scalar(0, 255, 0)); } Core.putText(image, "Author:MarksLin@HFUT_XC", new Point(10, 25),2,1, new Scalar(0, 255, 0)); Core.putText(image, "Student ID:2012217166", new Point(10, 60),2,1, new Scalar(0, 255, 0)); String filename = "face.png"; Highgui.imwrite(filename, image); } @SuppressWarnings("deprecation") public Image readImage(){ Image img=null; try { File file=new File(System.getProperty("user.dir")+"\\face.png"); img=ImageIO.read(file.toURL()); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return img; } }