Puffer Versuch

Speicher läuft voll
16.12.2024 03:30
This commit is contained in:
Paul Stamminger 2024-12-16 03:32:20 +01:00
parent b05c2a8319
commit 4e6a0ed98a
7 changed files with 306 additions and 248 deletions

2
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@ -8,7 +8,7 @@
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123
.idea/workspace.xml generated
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<change beforePath="$PROJECT_DIR$/src/main/java/Player.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Player.java" afterDir="false" /> <change beforePath="$PROJECT_DIR$/src/main/java/Tracker.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/ImgAnalyzer.java" afterDir="false" />
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@ -36,45 +36,37 @@
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} }
}]]></component> }</component>
<component name="RunManager" selected="Application.Main"> <component name="RunManager" selected="Application.Main">
<configuration name="GTCar" type="Application" factoryName="Application"> <configuration name="ImgAnalyzer" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
<option name="MAIN_CLASS_NAME" value="Tracker" /> <option name="MAIN_CLASS_NAME" value="ImgAnalyzer" />
<module name="GTCar_V2_maven" />
<option name="VM_PARAMETERS" value="-Djava.library.path=C:\Users\david\Documents\Uni\GTCar\opencv\build\java\x64" />
<method v="2">
<option name="Make" enabled="true" />
</method>
</configuration>
<configuration name="GraphicsProgram" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
<option name="MAIN_CLASS_NAME" value="GraphicsProgram" />
<module name="GTCar_V2_maven" /> <module name="GTCar_V2_maven" />
<option name="PROGRAM_PARAMETERS" value="-Djava.library.path=&quot;C:\Users\paul3\OneDrive\Dokumente\Studium BME\Semester 3\Interaktion\opencv\build\java\x64&quot;" />
<method v="2"> <method v="2">
<option name="Make" enabled="true" /> <option name="Make" enabled="true" />
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@ -82,23 +74,30 @@
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<module name="GTCar_V2_maven" /> <module name="GTCar_V2_maven" />
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</method> </method>
</configuration> </configuration>
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<item itemvalue="Application.Main" /> <item itemvalue="Application.Main" />
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@ -128,31 +126,7 @@
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@ -0,0 +1,134 @@
import org.opencv.core.*;
import org.opencv.videoio.VideoCapture;
import org.opencv.imgproc.Imgproc;
import org.opencv.highgui.HighGui;
import org.opencv.videoio.Videoio;
import java.util.LinkedList;
public class CamPuffer implements Runnable {
static {
try {
System.load("C:\\Users\\paul3\\OneDrive\\Dokumente\\Studium BME\\Semester 3\\Interaktion\\GTCar V3\\opencv\\build\\java\\x64\\opencv_java4100.dll");
System.out.println("OpenCV manuell geladen!");
} catch (UnsatisfiedLinkError e) {
System.err.println("Fehler beim Laden der OpenCV-Bibliothek: " + e.getMessage());
}
}
private final int CAM; // Kamera-ID (0 für Webcam, 1 für andere Cams)
private final int EXP; // Belichtungszeit
private final int FPS;
private final int THV;
private volatile boolean running = true;
private final Object lock = new Object(); // Lock für Thread-Sicherheit
private Mat currentMat = new Mat();
private final Rect roi = new Rect(200, 150, 240, 180); // Region of Interest
private boolean hasStartedCapturing = false;
private final LinkedList<Mat> frameBuffer = new LinkedList<>();
private final int MAX_BUFFER_SIZE = 10; // Maximale Anzahl an Bildern im Puffer
public CamPuffer(int CAM, int EXP, int FPS, int THV) {
this.CAM = CAM;
this.EXP = EXP;
this.FPS = FPS;
this.THV = THV;
}
@Override
public void run() {
VideoCapture capture = setUp();
if (!capture.isOpened()) {
System.out.println("Fehler: Die Webcam konnte nicht geöffnet werden.");
return;
}
Mat frame = new Mat();
hasStartedCapturing = true;
long lastGcTime = System.currentTimeMillis();
try {
while (running) {
long startTime = System.currentTimeMillis();
capture.read(frame); // Bild einlesen
if (frame.empty()) {
System.out.println("Fehler: Kein Bild von der Kamera erhalten.");
break;
}
// Bildverarbeitung hier
// Debug-Ausgabe
long elapsedTime = System.currentTimeMillis() - startTime;
System.out.println("Verarbeitungszeit für das Bild: " + elapsedTime + " ms");
// Speicherbereinigung alle 1000 ms (1 Sekunde)
if (System.currentTimeMillis() - lastGcTime > 1000) {
System.gc(); // Triggern des Garbage Collectors
lastGcTime = System.currentTimeMillis();
System.out.println("Garbage Collection durchgeführt.");
}
}
} finally {
// Matrizen explizit freigeben
frame.release(); // Falls `frame` in der Schleife freigegeben wurde, hier nochmal
capture.release(); // Kamera-Ressourcen freigeben
}
}
public boolean isHasStartedCapturing() {
return hasStartedCapturing;
}
private void updateCurrentMat(Mat img) {
synchronized (lock) {
// Puffergröße überwachen
if (frameBuffer.size() >= MAX_BUFFER_SIZE) {
Mat oldFrame = frameBuffer.poll(); // Entfernt das älteste Bild im Puffer
if (oldFrame != null) {
oldFrame.release(); // Verhindert das Anhäufen von nicht freigegebenen Mat-Objekten
}
}
// Neues Bild in den Puffer hinzufügen
frameBuffer.add(img.clone());
}
}
public Mat getCurrentMat() {
synchronized (lock) {
return currentMat.clone(); // Rückgabe einer Kopie, um Speicherprobleme zu vermeiden
}
}
public void stop() {
running = false;
}
private VideoCapture setUp() {
System.out.println("Laden von OpenCV");
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
VideoCapture capture = new VideoCapture(CAM);
if (!capture.isOpened()) {
System.out.println("Fehler: Die Webcam konnte nicht geöffnet werden.");
}
capture.set(Videoio.CAP_PROP_EXPOSURE, EXP);
capture.set(Videoio.CAP_PROP_FPS, FPS);
System.out.println("Kamera geöffnet und eingerichtet");
return capture;
}
}

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@ -1,12 +1,9 @@
import processing.core.PApplet; import processing.core.PApplet;
import java.awt.Point; import java.awt.Point;
import java.util.ArrayList;
import java.util.List;
public class GameLoop { public class GameLoop {
int activePlayer = 0;
Tracker tracker; ImgAnalyzer tracker;
GraphicsProgram graphics; GraphicsProgram graphics;
@ -19,7 +16,7 @@ public class GameLoop {
player1 = new Player(0, "192.168.1.1", 9000); player1 = new Player(0, "192.168.1.1", 9000);
player2 = new Player(1, "192.168.1.2", 9000); player2 = new Player(1, "192.168.1.2", 9000);
tracker = new Tracker(); tracker = new ImgAnalyzer();
// Starte Tracker in einem separaten Thread // Starte Tracker in einem separaten Thread
Thread trackerThread = new Thread(tracker::run); Thread trackerThread = new Thread(tracker::run);
trackerThread.start(); trackerThread.start();
@ -50,10 +47,10 @@ public class GameLoop {
Point p2 = tracker.getP2(); Point p2 = tracker.getP2();
//System.out.println("Player 2 is at " + p2.x + " and " + p2.y); //System.out.println("Player 2 is at " + p2.x + " and " + p2.y);
player1.setKoords(p1.x, p1.y); player1.setKoords((int)p1.x, (int)p1.y);
player2.setKoords(p2.x, p2.y); player2.setKoords((int)p2.x, (int)p2.y);
if(gl.doCheckExtern(player2.getTrail(), p1)){ //Check Position von P1 mit Spur von P2 /*if(gl.doCheckExtern(player2.getTrail(), p1)){ //Check Position von P1 mit Spur von P2
System.out.println("Spieler 1 hat verloren"); System.out.println("Spieler 1 hat verloren");
break; break;
} }
@ -61,9 +58,9 @@ public class GameLoop {
if(gl.doCheckExtern(player1.getTrail(), p2)){ //Check Position von P2 mit Spur von P1 if(gl.doCheckExtern(player1.getTrail(), p2)){ //Check Position von P2 mit Spur von P1
System.out.println("Spieler 2 hat verloren"); System.out.println("Spieler 2 hat verloren");
break; break;
} } */
draw(); //draw();
} }
} }

View File

@ -24,7 +24,7 @@ public class GraphicsProgram extends PApplet {
} }
public void settings() { public void settings() {
fullScreen(); //fullScreen();
} }
public void setup(){ public void setup(){
@ -51,10 +51,8 @@ public class GraphicsProgram extends PApplet {
while(!trail.isEmpty()) { while(!trail.isEmpty()) {
int[] koordinaten = trail.poll(); int[] koordinaten = trail.poll();
int x = koordinaten[0]; int x = 1;
int y = koordinaten[1]; int y = 1;
System.out.println();
if(playerID == 0){ if(playerID == 0){
image(imgBlue, x, y, particleSize, particleSize); image(imgBlue, x, y, particleSize, particleSize);

View File

@ -0,0 +1,114 @@
import org.opencv.core.*;
import org.opencv.videoio.VideoCapture;
import org.opencv.highgui.HighGui;
import org.opencv.imgproc.Imgproc;
import org.opencv.imgproc.Moments;
import org.opencv.videoio.Videoio;
import java.util.ArrayList;
import java.util.List;
import java.awt.Point;
public class ImgAnalyzer {
private final int CAM = 0; // Kamera-ID (0 für Webcam, 1 für andere Cams)
private final int EXP = -9; // Belichtungszeit (idealerweise: 0)
private final int FPS = 20; // FPS
private final int THV = 252; // Threshold
private Point currentPositionP1 = new Point(0, 0);
private Point currentPositionP2 = new Point(0, 0);
private CamPuffer camPuffer;
public ImgAnalyzer() {
camPuffer = new CamPuffer(CAM, EXP, FPS, THV);
Thread pufferThread = new Thread(camPuffer);
pufferThread.start();
}
public static void main(String[] args) {
ImgAnalyzer tracker = new ImgAnalyzer();
tracker.run();
}
public void run() {
boolean hasStartedCapturing = false;
while (!hasStartedCapturing) {
if (camPuffer.getCurrentMat() != null) {
break;
}
}
Mat currentImg = null;
Mat grayFrame = new Mat();
Mat thresholdFrame = new Mat();
while (true) {
try {
currentImg = camPuffer.getCurrentMat();
//HighGui.imshow("Threshold Image", currentImg);
// ROI anwenden
//Mat roiFrame = new Mat(downsizedFrame, roi);
// In Graustufen konvertieren
Imgproc.cvtColor(currentImg, grayFrame, Imgproc.COLOR_BGR2GRAY);
// Threshold anwenden
Imgproc.threshold(grayFrame, thresholdFrame, THV, 255, Imgproc.THRESH_BINARY);
} catch (Exception e) {
}
if (currentImg != null) {
List<Point> positions = trackPositions(thresholdFrame);
if (positions.size() >= 2) {
currentPositionP1 = positions.get(0);
currentPositionP2 = positions.get(1);
//System.out.println("currentPositionP1: " + currentPositionP1 + " currentPositionP2: " + currentPositionP2);
}
}
}
}
private List<Point> trackPositions(Mat thresholdFrame) {
List<MatOfPoint> contours = new ArrayList<>();
Mat hierarchy = new Mat();
// Finde Konturen
Imgproc.findContours(thresholdFrame, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
// Sortiere Konturen nach Fläche (absteigend)
contours.sort((c1, c2) -> Double.compare(Imgproc.contourArea(c2), Imgproc.contourArea(c1)));
// Speichere die Positionen der zwei größten Konturen
List<Point> positions = new ArrayList<>();
for (int i = 0; i < Math.min(contours.size(), 2); i++) {
Moments moments = Imgproc.moments(contours.get(i));
if (moments.get_m00() != 0) {
int cx = (int) (moments.get_m10() / moments.get_m00());
int cy = (int) (moments.get_m01() / moments.get_m00());
positions.add(new Point(cx, cy));
}
}
//Check
return positions;
}
public synchronized Point getP1() {
return currentPositionP1;
}
public Point getP2() {
return currentPositionP2;
}
}

View File

@ -1,156 +0,0 @@
import org.opencv.core.*;
import org.opencv.videoio.VideoCapture;
import org.opencv.highgui.HighGui;
import org.opencv.imgproc.Imgproc;
import org.opencv.imgproc.Moments;
import org.opencv.videoio.Videoio;
import java.util.ArrayList;
import java.util.List;
import java.awt.Point;
public class Tracker implements Runnable {
private final int CAM = 1; // Kamera-ID (0 für Webcam, 1 für andere Cams)
private final int EXP = 0; // Belichtungszeit (idealerweise: 0)
private final int FPS = 60; // FPS
private final int THV = 250; // Threshold
private volatile boolean running = true; // Steuerung des Tracker-Threads
private volatile Point currentPositionP1 = new Point(0, 0);
private volatile Point currentPositionP2 = new Point(0, 0);
public Tracker() {
}
public static void main(String[] args) {
Tracker tracker = new Tracker();
Thread trackerThread = new Thread(tracker);
trackerThread.start();
// Beispiel: Positionen regelmäßig abfragen
/*
while (true) {
Point p1 = tracker.getP1();
Point p2 = tracker.getP2();
//System.out.println("P2 - X: " + p2.x + " Y: " + p2.y);
try {
Thread.sleep(1000); // Warte 1 Sekunde
} catch (InterruptedException e) {
e.printStackTrace();
}
}
*/
}
@Override
public void run() {
VideoCapture capture = setUp();
if (!capture.isOpened()) {
System.out.println("Fehler: Die Webcam konnte nicht geöffnet werden.");
return;
}
Mat frame = new Mat();
Mat grayFrame = new Mat();
Mat thresholdFrame = new Mat();
while (running) {
if (capture.read(frame)) {
// Konvertiere in Graustufen und wende Threshold an
Imgproc.cvtColor(frame, grayFrame, Imgproc.COLOR_BGR2GRAY);
Imgproc.threshold(grayFrame, thresholdFrame, THV, 255, Imgproc.THRESH_BINARY);
// Tracke die Positionen der beiden größten Objekte
List<Point> positions = trackPositions(thresholdFrame);
//Check
if (positions.size() >= 2) {
setCurrentPositionP1(positions.get(0));
//System.out.println(currentPositionP1);
//Check. currentPosition wird aktualisiert
setCurrentPositionP2(positions.get(1));
//Check
//System.out.println("P1 - X: " + currentPositionP1.x + " Y: " + currentPositionP1.y +
// " P2 - X: " + currentPositionP2.x + " Y: " + currentPositionP2.y);
}
HighGui.imshow("GTCar", frame);
if (HighGui.waitKey(1) == 27) { // ESC-Taste zum Beenden
stop();
}
} else {
System.out.println("Fehler: Das Kamerabild konnte nicht gelesen werden.");
break;
}
}
capture.release();
}
private List<Point> trackPositions(Mat thresholdFrame) {
List<MatOfPoint> contours = new ArrayList<>();
Mat hierarchy = new Mat();
// Finde Konturen
Imgproc.findContours(thresholdFrame, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
// Sortiere Konturen nach Fläche (absteigend)
contours.sort((c1, c2) -> Double.compare(Imgproc.contourArea(c2), Imgproc.contourArea(c1)));
// Speichere die Positionen der zwei größten Konturen
List<Point> positions = new ArrayList<>();
for (int i = 0; i < Math.min(contours.size(), 2); i++) {
Moments moments = Imgproc.moments(contours.get(i));
if (moments.get_m00() != 0) {
int cx = (int) (moments.get_m10() / moments.get_m00());
int cy = (int) (moments.get_m01() / moments.get_m00());
positions.add(new Point(cx, cy));
}
}
//Check
return positions;
}
public synchronized Point getP1() {
//ab hier ist Punkt[0,0]
return currentPositionP1;
}
public synchronized Point getP2() {
return currentPositionP2;
}
private synchronized void setCurrentPositionP1(Point p1) {
//p1 ist richtig
currentPositionP1 = p1;
}
private synchronized void setCurrentPositionP2(Point p2) {
currentPositionP2 = p2;
}
private VideoCapture setUp() {
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
VideoCapture capture = new VideoCapture(CAM);
if (!capture.isOpened()) {
System.out.println("Fehler: Die Webcam konnte nicht geöffnet werden.");
}
capture.set(Videoio.CAP_PROP_EXPOSURE, EXP);
capture.set(Videoio.CAP_PROP_FPS, FPS);
return capture;
}
public void stop() {
running = false;
}
}