Update video_processing.py

video_processing.py

@@ -275,7 +275,7 @@ def process_video(video_path, anomaly_threshold, desired_fps, progress=None):
         )
 
 
-def is_frontal_face(landmarks, threshold=50):
+def is_frontal_face(landmarks, threshold=40):
     nose_tip = landmarks[4]
     left_chin = landmarks[234]
     right_chin = landmarks[454]