PowerMiner/src/ObjectTrackerTest.java

97 lines
4.0 KiB
Java

import static org.junit.jupiter.api.Assertions.*;
import java.awt.AWTException;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.util.ArrayList;
import javax.imageio.ImageIO;
import org.junit.jupiter.api.Test;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.MatOfByte;
import org.opencv.core.Rect2d;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.tracking.Tracker;
import org.opencv.tracking.TrackerKCF;
import org.opencv.videoio.VideoCapture;
class ObjectTrackerTest {
@Test
void testObjectTracking() throws Exception {
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
VideoCapture video = new VideoCapture("/home/dpapp/Videos/gameplay-2018-02-24_10.01.00.mp4");
System.out.println("loaded video...");
ObjectDetector objectDetector = new ObjectDetector();
Mat frame = new Mat();
boolean frameReadSuccess = video.read(frame);
assertTrue(frameReadSuccess);
ArrayList<DetectedObject> detectedObjects = objectDetector.getObjectsInImage(Mat2BufferedImage(frame));
System.out.println("Tracking " + detectedObjects.size() + " objects.");
ArrayList<Tracker> objectTrackers = new ArrayList<Tracker>();
ArrayList<Rect2d> boundingBoxes = new ArrayList<Rect2d>();
for (int i = 0; i < 3; i++) {
boundingBoxes.add(detectedObjects.get(i).getBoundingRect2d());
objectTrackers.add(TrackerKCF.create());
objectTrackers.get(i).init(frame, boundingBoxes.get(i));
}
//System.out.println("bounding box: " + (int) boundingBoxes.get(0).x + ", " + (int) boundingBoxes.get(0).y + ", " + (int) boundingBoxes.get(0).width + ", " + (int) boundingBoxes.get(0).height);
int counter = 0;
while (video.read(frame)) {
for (int i = 0; i < 3; i++) {
objectTrackers.get(i).update(frame, boundingBoxes.get(i));
boolean trackingSuccess = objectTrackers.get(i).update(frame, boundingBoxes.get(i));
detectedObjects = objectDetector.getObjectsInImage(Mat2BufferedImage(frame));
//System.out.println(detectedObjects.size());
//System.out.println((int) boundingBoxes.get(i).x + ", " + (int) boundingBoxes.get(i).y + ", " + (int) boundingBoxes.get(i).width + ", " + (int) boundingBoxes.get(i).height);
//BufferedImage subImage = screencapture.getSubimage((int) boundingBoxes.get(i).x- 10, (int) boundingBoxes.get(i).y - 10, (int) boundingBoxes.get(i).width + 20, (int) boundingBoxes.get(i).height + 20);
boolean ironOreDetected = objectDetector.isObjectPresentInBoundingBoxInImage(detectedObjects, boundingBoxes.get(i), "ironOre");
boolean oreDetected = objectDetector.isObjectPresentInBoundingBoxInImage(detectedObjects, boundingBoxes.get(i), "ore");
//ImageIO.write(screencapture, "jpg", new File("/home/dpapp/Videos/frames/frame_" + counter + ".jpg"));
//ImageIO.write(subImage, "jpg", new File("/home/dpapp/Videos/sub_frames/frame_" + counter + "_sub.jpg"));
//System.out.println("wrote file...");
if (i == 2) {
System.out.println(trackingSuccess + ", ironOre: " + ironOreDetected + ", ore:" + oreDetected);
}
}
counter++;
}
/*Tracker objectTracker = TrackerKCF.create();
Rect2d boundingBox = new Rect2d(405, 177, 38, 38);
int counter = 0;
objectTracker.init(frame, boundingBox);
while (video.read(frame) && counter < 200) {
boolean trackingSuccess = objectTracker.update(frame, boundingBox);
BufferedImage screencapture = Mat2BufferedImage(frame);
boolean ironOreDetected = objectDetector.isObjectPresentInBoundingBoxInImage(screencapture, boundingBox, "ironOre", counter);
ImageIO.write(screencapture, "jpg", new File("/home/dpapp/Videos/frames/frame_" + counter + ".jpg"));
System.out.println(trackingSuccess + ", ironOre: " + ironOreDetected);
counter++;
}*/
}
private BufferedImage Mat2BufferedImage(Mat matrix)throws Exception {
MatOfByte mob=new MatOfByte();
Imgcodecs.imencode(".jpg", matrix, mob);
byte ba[]=mob.toArray();
BufferedImage bi=ImageIO.read(new ByteArrayInputStream(ba));
return bi;
}
}