Preparing to Encode Your Video - A Practical Guide to Video and Audio Compression - page 526

Figure 31-3 Extreme motion blur.
Figure 31-4 Moving water.
Video compression is not normally taken into account when the movie is being shot.
Having some sense of the entire process, from the output medium all the way through the
workflow from the earliest stages, will yield worthwhile results in the long run.
Clouds moving against stationary foregrounds should compress quite well because
the motion is steady and the shapes are relatively unchanging. Although they do change,
the change is gradual and only a small part of the cloud is altering between frames. As a
whole, the cloud is simply traversing the frame. The motion detection and compensation