package com.test.motion.detection;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.imageio.ImageIO;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.MatOfPoint;
import org.opencv.core.MatOfRect;
import org.opencv.core.Point;
import org.opencv.core.Rect;
import org.opencv.core.Scalar;
import org.opencv.core.Size;
import org.opencv.highgui.Highgui;
import org.opencv.highgui.VideoCapture;
import org.opencv.imgproc.Imgproc;
import org.opencv.objdetect.CascadeClassifier;
public class MyTest {
static OpenCVWindow openCVWindow,openCVWindow1;
static Mat image;
public static void main(String[] args) {
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
openCVWindow=new OpenCVWindow(1000,600);
openCVWindow1=new OpenCVWindow(600,600);
readImgFromCam();
}
public static void readImgFromCam() {
try {
image=Highgui.imread("C:/Users/kiit1/Desktop/noface.jpg");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
CascadeClassifier faceDetector = new CascadeClassifier("D:/javaTech/OpenCV/opencv/sources/data/lbpcascades/lbpcascade_frontalface.xml");
VideoCapture cam=new VideoCapture(0);//"D:\\karana\\aVid.MP4"
while(true){
if(!cam.isOpened()){
cam.open(0);
System.out.println("No cam Found....");
}else {
}
Mat frameMat=new Mat();
Mat newmMat=new Mat();
Mat cropImg=new Mat();
MatOfRect matOfRect=new MatOfRect();
//
Mat blurredImage = new Mat();
Mat hsvImage = new Mat();
Mat mask = new Mat();
Mat morphOutput = new Mat();
Mat frame;
cam.read(frameMat);
Imgproc.resize(frameMat, newmMat, new Size(1000,600));
frame=newmMat;
Imgproc.blur(frame, blurredImage, new Size(7, 7));
Imgproc.cvtColor(blurredImage, hsvImage, Imgproc.COLOR_BGR2HSV);
Scalar minValues = new Scalar(0, 0,0);
Scalar maxValues = new Scalar(180, 180,180);
Core.inRange(hsvImage,minValues, maxValues, mask);
// morphological operators
// dilate with large element, erode with small ones
Mat dilateElement = Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(24, 24));
Mat erodeElement = Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(12, 12));
Imgproc.erode(mask, morphOutput, erodeElement);
Imgproc.erode(mask, morphOutput, erodeElement);//openCVWindow.showImage(morphOutput);
Imgproc.dilate(mask, morphOutput, dilateElement);
Imgproc.dilate(mask, morphOutput, dilateElement);
frame = findAndDrawBalls(morphOutput, frame);
faceDetector.detectMultiScale(newmMat, matOfRect);
//for face detect
for(Rect rect:matOfRect.toArray()){
// Core.rectangle(new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height), new Scalar(0, 255, 0));
cropImg=newmMat.submat(rect);
Core.rectangle(newmMat, new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height), new Scalar(0, 255, 0));
}
try{
openCVWindow1.showImage(cropImg);
}catch(Exception e){
openCVWindow1.showImage(image);
}
//openCVWindow.showImage(frame);
openCVWindow.showImage(newmMat);
}
//cam.release();
}
private static Mat findAndDrawBalls(Mat maskedImage, Mat frame)
{
// init
List<MatOfPoint> contours = new ArrayList<>();
Mat hierarchy = new Mat();
// find contours
Imgproc.findContours(maskedImage, contours, hierarchy, Imgproc.RETR_CCOMP, Imgproc.CHAIN_APPROX_SIMPLE);
// if any contour exist...
if (hierarchy.size().height > 0 && hierarchy.size().width > 0)
{
// for each contour, display it in blue
for (int idx = 0; idx >= 0; idx = (int) hierarchy.get(0, idx)[0])
{
Imgproc.drawContours(frame, contours, idx, new Scalar(250, 0, 0));
}
}
return frame;
}
}
import java.awt.Dimension;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import org.opencv.core.Mat;
import org.opencv.core.MatOfByte;
import org.opencv.highgui.Highgui;
public class OpenCVWindow extends JFrame{
private static final long serialVersionUID = 1L;
Sheet sheet;
int height, width;
public OpenCVWindow( int length, int breadth)
{
width = length;
height = breadth;
sheet = new Sheet(breadth,length);
this.setSize(new Dimension(length, breadth));
this.add(sheet);
this.setFocusable(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
}
public void showImage(Mat m)
{
MatOfByte matOfByte = new MatOfByte();
Highgui.imencode(".jpg", m, matOfByte);
byte[] byteArray = matOfByte.toArray();
try
{
InputStream in = new ByteArrayInputStream(byteArray);
sheet.paintSheet(ImageIO.read(in));
} catch (Exception e)
{
e.printStackTrace();
}
}
}
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import javax.swing.JPanel;
public class Sheet extends JPanel
{
private static final long serialVersionUID = 1L;
BufferedImage image;
int width, height;
public Sheet( int h, int w)
{
width = w;
height = h;
setSize(w, h);
}
public void paintSheet(BufferedImage img)
{
image = img;
repaint();
}
public void paintComponent(Graphics g)
{
g.drawImage(image, 0, 0, width, height, this);
}
}
OUTPUT
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