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Zbl 0576.65143
Lee, Byeong Gi
A new algorithm to compute the discrete cosine transform. (English)
[J] IEEE Trans. Acoust. Speech Signal Process. 32, 1243-1245 (1984). ISSN 0096-3518

Summary: A new algorithm is introduced for the $2\sp m$-point discrete cosine transform. This algorithm reduces the number of multiplications to about half of those required by the existing efficient algorithms, and it makes the system simpler.
MSC 2000:
*65T40 Trigonometric approximation and interpolation
68Q25 Analysis of algorithms and problem complexity
42A38 Fourier type transforms, one variable

Keywords: fast Fourier transform; discrete cosine transform; number of multiplications

Cited in: Zbl 0735.65096

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