Bug fix when no faces are detected.

TadasBaltrusaitis · Mar 30, 2018 · 068ecb0 · 068ecb0
1 parent 6e15e81
commit 068ecb0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/local/Utilities/src/Visualizer.cpp b/lib/local/Utilities/src/Visualizer.cpp
@@ -421,11 +421,11 @@ void Visualizer::SetFps(double fps)
 
 char Visualizer::ShowObservation()
 {
-	if (vis_align)
+	if (vis_align && !aligned_face_image.empty())
 	{
 		cv::imshow("sim_warp", aligned_face_image);
 	}
-	if (vis_hog)
+	if (vis_hog && !hog_image.empty())
 	{
 		cv::imshow("hog", hog_image);
 	}