This tutorial explains how to prepare a DV-PAL video, using Adobe AfterEffects, for use with Autodesk MatchMover.
Pixels on a computer monitor are square. They are the same width and height and can be described as having a pixel aspect ratio of 1:1.
DV-PAL video has 720x576 pixels. However, these pixels are not square. Instead of having an aspect ratio of 1:1 (same width as height) the pixels have an aspect ratio is 128:117, or about 1.094:1.
Consequently, when you display DV-PAL footage on a computer monitor is appears to be squashed. This tutorial explains how to un-squash DV-PAL video.
Download the Notes (.pdf) with the link on the right.