• __init__() : face_tracker.PatchTracker
• add_features() : face_tracker.PatchTracker
• detect_face() : face_tracker.PatchTracker
• distance_to_cluster() : face_tracker.PatchTracker
• get_cluster_centroid() : face_tracker.PatchTracker
• key_command_callback() : face_tracker.PatchTracker
• process_image() : face_tracker.PatchTracker
• prune_features() : face_tracker.PatchTracker
• set_roi_callback() : face_tracker.PatchTracker
• track_lk() : face_tracker.PatchTracker