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Visual Media Processing Using MATLAB Beginner's Guide by George Siogkas

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The meaning of frames

This is a trick question, since it can be interpreted in two ways; how many frames do I need for a video of a certain duration or what is the frame rate needed for a certain amount of motion to be clearly portrayed?

For both questions to be answered satisfactorily, we first need to talk about two very important properties of videos; interlacing and frame rates.

Interlaced versus progressive

The first important choice when shooting a video is whether we will shoot it in interlaced or progressive mode. Interlaced videos contain two kinds of frames; those containing odd lines and those containing even lines. When displaying these frames consequently (first odd then even) at a high enough frequency, the viewer cannot distinguish ...

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