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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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Submitted on : Tuesday, May 29, 2007 - 11:39:35 AM
Last modification on : Wednesday, March 9, 2022 - 9:16:03 AM
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  • HAL Id : inserm-00149853, version 1


Huazhong Shu, Yuan Wang, Lotfi Senhadji, Limin M. 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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