Quality improvement tool window (the settings are stored for each project separately).
Frame Averager is available in 'Video' and 'Folder Monitor' with video reference mode only.

Frame Average reduces noise in the video source.
It is usable not only for weak video source but even for high quality input.

Move mouse over the image to see the difference (Logitech QuickCam Express):

Frame average can be also used for go motion.