Fixed writing to csv; issue was caused by out of bounds array in dilation logic.

src/openCV/CMakeLists.txt

@@ -8,7 +8,7 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 include(CTest)
 enable_testing()
 
-set(OpenCV_DIR "C:\\opencv++" )
+set(OpenCV_DIR "C:\\CPP Libs\\oomga\\build" )
 find_package( OpenCV REQUIRED )
 include_directories( ${OpenCV_INCLUDE_DIRS} )
 

src/openCV/main.cpp

@@ -59,7 +59,6 @@ int main(int argc, char** argv) {
   double simFPS = decoder.get(CAP_PROP_FPS) / detectionsPerSec;
   int simFrameTime = decoder.get(CAP_PROP_FRAME_COUNT) / simFPS;
   motionVec.reserve(simFrameTime);
-  motionVec.push_back(0);
 
   Mat frame;    
   Mat nextFrame;   
@@ -72,8 +71,8 @@ int main(int argc, char** argv) {
   int32_t height = decoder.get(CAP_PROP_FRAME_HEIGHT);
   int32_t width  = decoder.get(CAP_PROP_FRAME_WIDTH);
 
-  bool isFirstFrame = true;
-  bool keyPressed = false;
+  cout << motionVec.size() << endl;
+
   bool gotFrame, gotNextFrame;
   while (gotFrame = decoder.read(frame)) {
     // Skips some amount of "real" frames to reach desired "simulated fps".
@@ -84,7 +83,7 @@ int main(int argc, char** argv) {
 
     // Applies bg segmentation, median filter to reduce noise, and pushes the change detection result to output vector.
     // The frame count might be inaccurate at the moment, such that real frame 24 at time 1s, might be declared as being at time 0.9s. Needs testing.
-    if (gotFrame && gotNextFrame && !keyPressed) {
+    if (gotFrame && gotNextFrame) {
       p_bgSub->apply(frame, binaryFrame, -1);
       p_bgSub->apply(nextFrame, binaryNextFrame, -1);
 
@@ -93,25 +92,27 @@ int main(int argc, char** argv) {
       medianBlur(binaryNextFrame, medianBlurNextFrame, blurRadius);
       
       motionVec.push_back(detectChange(medianBlurFrame, medianBlurNextFrame));
-      
     } else { break; }
   }
+  cout << motionVec.size() << endl;
 
-  destroyAllWindows();
   decoder.release();
 
   // Detection interval padding logic; essentially applies 1D dilation (morphological operation).
   int framesPaddedEachSide = ceil((paddingTime_s/2)*detectionsPerSec + 0.5);
   vector<bool> dilated = motionVec;
+  cout << dilated.size() << endl;
   for(int i=0; i<motionVec.size(); i++) {
-    if (motionVec[i] == 1) {
+    if (motionVec.at(i) == 1) {
       for(int k = -framesPaddedEachSide; k <= framesPaddedEachSide; k++) {
-        dilated[i+k] = 1;
+        int index = i+k;
+        if (index < 0 || index >= motionVec.size()) { continue; }
+        dilated.at(index) = 1;
       }
     }
   }
 
-  // Timestamp generator logic; converts frame index to real time in input file. As mentioned above, the math might be inaccurate.
+  // Timestamp generator logic; converts simulated frame index to real time in input file. As mentioned above, the math might be inaccurate.
   double timePerSimFrame_s = 1/(double)detectionsPerSec;
   double runStart_s, runEnd_s;
   for(int i=0; i<dilated.size(); i++) {
@@ -129,7 +130,6 @@ int main(int argc, char** argv) {
       csv << floor(runStart_s) << "," << ceil(runEnd_s) << "\n";
     }
   }
-  csv.close();
 
   auto end = chrono::steady_clock::now();
   auto elapsed = chrono::duration_cast<chrono::seconds>(end - start).count();

src/python/RunDetection.py

@@ -27,11 +27,11 @@ def main(inputVideo):
             print("No input folder found. Creating it now. Place input video files in that folder.")
             return
         print("Processing file {file}".format(file=inputVideo))
-        os.system("opencvtest.exe {input}".format(input="input/{file}".format(file=inputVideo)))
+        #os.system("opencvtest.exe {input}".format(input="input/{file}".format(file=inputVideo)))
 
         prefix, ext = os.path.splitext(inputVideo)
         print("\nVideo processed and outputted to {csv}.".format(csv=prefix+".csv"))
         print("Starting trimming now...")
         VideoTrimmer.readForCSV(inputVideo)
 
-main("Myggbukta-[2021-07-09_13-48-44]-105.mp4")
\ No newline at end of file
+main("test.mp4")
\ No newline at end of file