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import org.opencv.core.Core;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.imgcodecs.Imgcodecs;import org.opencv.imgproc.Imgproc;import org.opencv.objdetect.CascadeClassifier;import org.opencv.videoio.VideoCapture;/** * 创建人: 住在隔壁的王学长 * 创建时间: 2020/7/4 17:01 * JDK 1.8 * class:人脸抓拍 * 作用:调用ip摄像头和usb摄像头以及本机摄像头进行人脸抓拍保存至本地 */public class FaceCaptured { static { //在使用OpenCV前必须加载Core.NATIVE_LIBRARY_NAME类,否则会报错 System.loadLibrary(Core.NATIVE_LIBRARY_NAME); } public static void main(String[] args) { videoFace(); } /** * OpenCV-4.0.0 实时人脸识别 */ public static void videoFace() { //VideoCapture capture=new VideoCapture(0); // VideoCapture(param):参数可改0:本地摄像头,1:其他摄像头,"rtsp://admin:admin@192.168.43.1:8554/live"为我调用的摄像头地址 VideoCapture capture=new VideoCapture("rtsp://admin:admin@192.168.43.1:8554/live"); Mat image=new Mat(); int index=0; if (capture.isOpened()) { while(true) { capture.read(image); HighGui.imshow("人脸识别扫描", getFace(image)); index=HighGui.waitKey(1); if (index==27) { break; } } } return; } /** * OpenCV-4.0.0 人脸识别 * @param image 待处理Mat图片(视频中的某一帧) * @return 处理后的图片 */ public static Mat getFace(Mat image) { // 1 读取OpenCV自带的人脸识别特征XML文件 /*CascadeClassifier facebook=new CascadeClassifier("E:\\opencv\\opencv\\sources\\data\\haarcascades\\haarcascade_frontalface_alt.xml");*/ CascadeClassifier facebook=new CascadeClassifier("E:\\opencv\\opencv\\sources\\data\\haarcascades\\haarcascade_frontalface_alt.xml"); // 2 特征匹配类 MatOfRect face = new MatOfRect(); // 3 特征匹配 facebook.detectMultiScale(image, face); Rect[] rects=face.toArray(); System.out.println("匹配到 "+rects.length+" 个人脸"); // 4 为每张识别到的人脸画一个圈 for (int i = 0; i < rects.length; i++) { Imgproc.rectangle(image,new Point(rects[i].x,rects[i].y), new Point(rects[i].x + rects[i].width,rects[i].y + rects[i].height), new Scalar(0, 255, 0)); Imgproc.putText(image,"人脸监测", new Point(rects[i].x, rects[i].y),Imgproc.FONT_HERSHEY_SCRIPT_SIMPLEX, 1.0, new Scalar(0, 255, 0),1,Imgproc.LINE_AA,false); //监测到的人脸保存至本地 Imgcodecs.imwrite("F://zgf.jpg", image); } return image; }}
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