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Levitating Helicopters?

April 8, 2017 by 3200 Creative

​Levitating helicopters? Wheels rotating contrary to the vehicle motion?  You probably have seen it in movies, video, or on television.  These are not special effects, but rather a natural consequence of unavoidable aliasing when recording video.
See a video of a levitating helicopter and an analysis of the aliasing that led to this "special" effect at Aliasing in Movies: Levitating Helicopters and Wheels Rotating Contrary to Motion.

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