Adapted Parameters

app/src/main/java/com/example/ueberwachungssystem/Detection/VideoDetector.java

@@ -79,9 +79,11 @@ public class VideoDetector extends Detector {
 
 
     // Parameters
-    private static final float ALARM_THRESHOLD = 0.5f;   // Percent of pixels changed
+    private static final float ALARM_THRESHOLD = 0f;   // Percent of pixels changed
+    private static final float AREA_THRESHOLD = 10f;
+    private static final int DILATE_ITERATIONS = 2;
     private static final float START_DELAY = 20000;   // milliseconds
-    private static final android.util.Size IMAGE_RES = new android.util.Size(480, 360);
+    private static final android.util.Size IMAGE_RES = new android.util.Size(640, 480);
 
 
 
@@ -236,7 +238,7 @@ public class VideoDetector extends Detector {
                 // Violation Condition
                 if (percentChanged * 100 > ALARM_THRESHOLD) {
                     if (allowReportViolation)
-                        reportViolation("Video", n);
+                        reportViolation("Video", percentChanged);
                 }
             }
             imageProxy.close();
@@ -273,9 +275,11 @@ public class VideoDetector extends Detector {
         // Process Image
         Mat processed = preprocessed.clone();
         processed = OpenCVHelper.thresholdPixels(processed, previousImage, 25);
-        processed = OpenCVHelper.dilateBinaryMat(processed, new Size(3,3));
-        processed = OpenCVHelper.dilateBinaryMat(processed, new Size(3,3));
-        processed = OpenCVHelper.thresholdContourArea(processed, 500);
+
+        for(int i = 0; i < DILATE_ITERATIONS; i++)
+            processed = OpenCVHelper.dilateBinaryMat(processed, new Size(3,3));
+
+        processed = OpenCVHelper.thresholdContourArea(processed, AREA_THRESHOLD);
         // Output
         previousImage = preprocessed.clone();
         // Show Output Image