siebenhaarmi76624/MDT5_1_Ueberwachungssystem_G1
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Adapted Parameters

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This commit is contained in:
Bastian Kohler 2023-06-19 15:47:40 +02:00
parent ea0e88ed89
commit 5d31f0bb46
1 changed files with 10 additions and 6 deletions
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16
app/src/main/java/com/example/ueberwachungssystem/Detection/VideoDetector.java
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@ -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