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Motion estimation

Motion estimation

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Motion estimation is arguably one the most important sub-functions of any motion compensated video compression algorithm - a reason enough to allocate a whole chapter to it. Although there are differences in terms of prediction modes and block sizes, the removal of temporal redundancy in video signals inevitably requires a search engine that provides motion information on predicted blocks or block par titions. However, motion estimation techniques are not only a major part of video compression algorithms, they are also used in noise reduction, de-interlacing (see also Chapter 8), standards conversion and many other video-processing applications. It is, therefore, not surprising that a large number of motion estimation algorithms have been developed for video compression as well as for other application areas.

Inspec keywords: concatenated codes; image denoising; video coding; motion estimation; motion compensation; data compression

Other keywords: motion compensated video compression algorithm; motion estimation technique; video compression systems; block sizes; concatenated codecs; prediction modes; noise reduction; video signal processing

Subjects: Image and video coding

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