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Split-radix fast Hartley transform in one and two dimensions

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2 Author(s)
E. A. Jonckheere ; Dept. of Electr. Eng.-Syst., Univ. of Southern California, Los Angeles, CA, USA ; C. Ma

A simple matrix decomposition is provided as a derivation of the one-dimensional split-radix fast Hartley transform (FHT). The method is then extended, in a straightforward manner, to the two-dimensional FHT (2-D FHT) by implementing the vector-radix approach. As a result, the proposed algorithm requires many fewer computational operations than the nonsplit vector-radix 2-D FHT method

Published in:

IEEE Transactions on Signal Processing  (Volume:39 ,  Issue: 2 )