HP Labs Technical Reports
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Direct Conversions Between DV Format DCT and Ordinary DCT
Keyword(s): digital recording, DVSC format, 8-8 DCT
Abstract: A fast algorithm is developed for direct conversions between the 2-4-8 DCT mode associated with the digital video cassette (DVC) standard and the ordinary 8-8 DCT associated with other formats of compressed video. The algorithm avoids explicit transformations to and from the original pixel domain and thus saves a considerable amount of computations.
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