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Direct computation of type-II discrete Hartley transform

Abstract : We present in this letter an efficient direct method for the computation of a length-N type-II generalized discrete Hartley transform (GDHT) when given two adjacent length-N/2 GDHT coefficients. The computational complexity of the proposed method is lower than that of the traditional approach for length N ≥ 8. The arithmetic operations can be saved from 16% to 24% for N varying from 16 to 64. Furthermore, the new approach can be easily implemented.
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https://www.hal.inserm.fr/inserm-00149853
Contributor : Lotfi Senhadji <>
Submitted on : Tuesday, May 29, 2007 - 11:39:35 AM
Last modification on : Tuesday, July 3, 2018 - 10:58:04 AM
Long-term archiving on: : Thursday, April 8, 2010 - 6:05:39 PM

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  • HAL Id : inserm-00149853, version 1

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Huazhong Shu, Yuan Wang, Lotfi Senhadji, Limin Luo. Direct computation of type-II discrete Hartley transform. IEEE Signal Processing Letters, Institute of Electrical and Electronics Engineers, 2007, 14 (5), pp.329 - 332. ⟨inserm-00149853⟩

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