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Direct computation of length-N DHT from three adjacent length-N/3 DHT coefficients

Jiasong Wu 1, 2, 3, * Lu Wang 2, 3, * Huazhong Shu 2, 3, * Lotfi Senhadji 1, 2
* Corresponding author
1 LTSI - Laboratoire Traitement du Signal et de l'Image
2 CRIBS - Centre de Recherche en Information Biomédicale sino-français
3 LIST - Laboratory of Image Science and Technology [Nanjing]
Abstract : A fast direct method for obtaining the length-N discrete Hartley transform (DHT) coefficients from three adjacent length-N/3 DHT coefficients is presented. The proposed method reduces significantly the number of arithmetic operations compared to the traditional approach. Furthermore, it is easy to implement.
Keywords : compressed-domain processing discrete Hartley transform fast algorithm
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https://www.hal.inserm.fr/inserm-00535838
Contributor : Lotfi Senhadji <>
Submitted on : Saturday, November 13, 2010 - 11:47:20 AM
Last modification on : Friday, July 5, 2019 - 10:16:02 AM
Long-term archiving on: : Monday, February 14, 2011 - 2:23:10 AM

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  • HAL Id : inserm-00535838, version 1

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LTSI | UNIV-RENNES1 | CRIBS | UNIV-RENNES

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Jiasong Wu, Lu Wang, Huazhong Shu, Lotfi Senhadji. Direct computation of length-N DHT from three adjacent length-N/3 DHT coefficients. The 3rd International Congress on Image and Signal Processing (CISP), Oct 2010, Yantai, China. pp.3090-3093. ⟨inserm-00535838⟩

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