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A video filter is a software component that performs some operation on a multimedia stream. Multiple filters can be used in a chain, known as a filter graph, in which each filter receives input from its upstream filter, processes the input and outputs the processed video to its downstream filter.
With regards to video encoding three categories of filters can be distinguished:
Common prefilters include:
Common intrafilters include:
- Bovik, Al (ed.). Handbook of Image and Video Processing. San Diego: Academic Press, 2000. ISBN 0-12-119790-5.
- Wang, Yao, Jörn Ostermann, and Ya-Qin Zhang. Video Processing and Communications. Signal Processing Series. Upper Saddle River, N.J.: Prentice Hall, 2002. ISBN 0-13-017547-1.
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