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On computing 2-D systolic algorithm for discrete cosine transform

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1 Author(s)
Moon ho Lee ; Dept. of Inf. & Telecommun. Eng., Chonbuk Nat. Univ., Chonju, South Korea

A 2-D systolic array algorithm for the discrete cosine transform (DCT) is presented. It is based on the inverse discrete Fourier transform (DFT) version of the Goertzel algorithm via Horner's rule. This array requires N cells and multipliers, takes √N +2 clock cycles to produce a complete N-point DCT, and is able to process a continuous stream of data sequences

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Circuits and Systems, IEEE Transactions on  (Volume:37 ,  Issue: 10 )