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New fast recursive algorithms for the computation of discrete cosine and sine transforms

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2 Author(s)
Cvetkovic, Z. ; Fac. of Electr. Eng., Belgrade Univ., Yugoslavia ; Popovic, M.V.

Fast recursive algorithms for the computation of the discrete cosine and sine transforms are developed. An N-point discrete cosine transform (DCT) or discrete sine transform (DST) can be computed from two N/2-point DCTs or DSTs. Compared to the existing algorithms the algorithms have less multiplications by two, and add operations are better positioned, giving rise to faster computation and easier VLSI implementation

Published in:

Signal Processing, IEEE Transactions on  (Volume:40 ,  Issue: 8 )

Date of Publication:

Aug 1992

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