Fast algorithms for the discrete cosine transformation (Q1309087)

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scientific article; zbMATH DE number 468716
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Fast algorithms for the discrete cosine transformation
scientific article; zbMATH DE number 468716

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    Fast algorithms for the discrete cosine transformation (English)
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    13 March 1994
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    This paper proposes fast algorithms for the forward and inverse discrete cosine transform. These algorithms consist of ``butterfly'' operations with cosine (rather than cosecant) multiplers, and thereby, they can reduce the necessary number of algebraic operations.
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    cosine multipliers
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    butterfly operations
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    cosecant multiplers
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    fast algorithms
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    inverse discrete cosine transform
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