Resampling
Resampling – Video image information may be presented in a specific system with, for example, its own frame rate, line count per frame, and line resolution (if the system is analog, resolution = video bandwidth, if the system is digital, resolution = pixels per line) and need to be recast into a target system differing in one or more of the specifications. Or in postproduction, it may be desirable to change image size, to crop or zoom, or to distort geometrically, etc. The original signal is sampled and the samples processed by a suitable algorithm to generate a new set of samples compatible with the specifications of the target system.
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