- A bug fix in FeatureExtraction when video is shorter than 3 frames.

- A small fix in head pose experiment output

lib/local/FaceAnalyser/src/FaceAnalyser.cpp

@@ -764,14 +764,16 @@ void FaceAnalyser::ExtractAllPredictionsOfflineReg(vector<std::pair<std::string,
 		// Perform a moving average of 3 frames
 		int window_size = 3;
 		vector<double> au_vals_tmp = au_iter->second;
-		for (size_t i = (window_size - 1) / 2; i < au_iter->second.size() - (window_size - 1) / 2; ++i)
+		for (int i = (window_size - 1) / 2; i < (int)au_iter->second.size() - (window_size - 1) / 2; ++i)
 		{
 			double sum = 0;
+			int count_over = 0;
 			for (int w = -(window_size - 1) / 2; w <= (window_size - 1) / 2; ++w)
 			{
 				sum += au_vals_tmp[i + w];
+				count_over++;
 			}
-			sum = sum / window_size;
+			sum = sum / count_over;
 
 			au_iter->second[i] = sum;
 		}
@@ -798,14 +800,16 @@ void FaceAnalyser::ExtractAllPredictionsOfflineClass(vector<std::pair<std::strin
 		// Perform a moving average of 7 frames on classifications
 		int window_size = 7;
 		vector<double> au_vals_tmp = au_vals;
-		for (size_t i = (window_size - 1)/2; i < au_vals.size() - (window_size - 1) / 2; ++i)
+		for (int i = (window_size - 1)/2; i < (int)au_vals.size() - (window_size - 1) / 2; ++i)
 		{
 			double sum = 0;
+			int count_over = 0;
 			for (int w = -(window_size - 1) / 2; w <= (window_size - 1) / 2; ++w)
 			{
 				sum += au_vals_tmp[i + w];
+				count_over++;
 			}
-			sum = sum / window_size;
+			sum = sum / count_over;
 			if (sum < 0.5)
 				sum = 0;
 			else

matlab_runners/Head Pose Experiments/results/Pose_OF.txt

@@ -1,4 +1,4 @@
 Dataset and model,        pitch,  yaw,  roll,  mean,  median
 biwi error:  7.955,   5.583, 4.402,  5.980,  2.624
 bu error:    2.762,   4.103, 2.568,  3.145,  2.118
-ict error:   3.619,   3.606, 3.625,  3.617,  2.027
+ict error:   3.620,   3.608, 3.626,  3.618,  2.028

matlab_runners/Head Pose Experiments/run_ict_experiment.m

@@ -41,7 +41,7 @@ for i=3:numTogether:numel(dbSeqDir)
         inputFile = [ictDir dbSeqDir(i+n).name '/colour undist.avi'];
         outputFile = [outputDir dbSeqDir(i+n).name '.txt'];
         
-        command = cat(2, command,  [' -f "' inputFile '" -op "' outputFile  '" ']);
+        command = cat(2, command,  [' -f "' inputFile '" -of "' outputFile  '" ']);
         
         if(depth)
             dDir = [ictDir dbSeqDir(i+n).name '/depthAligned/'];