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Two dimensional DFT using mixed time and frequency decimations

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2 Author(s)
C. Caraiscos ; Princeton University, Princeton, NJ, USA ; Bede Liu

The well-known decimation-in-time and decimation-infrequency FFT algorithms have recently been combined into a single and more efficient one, the Mixed Decimation FFT algorithm. On the other hand, an efficient way to perform a two dimensional DFT computation is to use decimation-in-time or decimation-infrequency in both dimensions simultaneously. In this paper the above two ideas are combined to give a new two dimensional DFT algorithm, the Mixed Simultaneous Decimation FFT algorithm.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '82.  (Volume:7 )

Date of Conference:

May 1982