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Radix-2 algorithm for the fast computation of type-III 3-D discrete W transform

Abstract : In this letter, an efficient algorithm for three-dimensional (3-D) vector radix decimation in frequency is derived for computing the type-III 3-D discrete W transform (DWT). Comparison of the computational complexity with the familiar row–column algorithm shows that the proposed approach reduces significantly the number of arithmetic operations. Moreover, the proposed method has very regular structure, thus, it is easy to implement.
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https://www.hal.inserm.fr/inserm-00304096
Contributor : Lotfi Senhadji <>
Submitted on : Tuesday, July 22, 2008 - 3:40:43 PM
Last modification on : Friday, July 5, 2019 - 10:16:02 AM
Long-term archiving on: : Monday, May 31, 2010 - 8:25:04 PM

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Huazhong Shu, Jiasong Wu, Lotfi Senhadji, Limin Luo. Radix-2 algorithm for the fast computation of type-III 3-D discrete W transform. Signal Processing, Elsevier, 2008, 88 (1), pp.210-215. ⟨10.1016/j.sigpro.2007.07.007⟩. ⟨inserm-00304096⟩

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