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A Novel Approach to Compute Discrete W Transform

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Abstract

The discrete W transform (DWT) is widely used in digital signal processing. This paper proposes a novel approach to compute DWT via computation of the first-order moments without multiplications. A scalable and efficient systolic array is designed to implement this approach. Compared with the other existing methods, the proposed algorithms are simpler and more applicable.

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Authors and Affiliations

  1. National Key Laboratory of Science and Technology on Multi-spectral Information Processing, Institute for School of Automation, Huazhong University of Science and Technology, Keji Lou, Room 1110, Wuhan, 430074,  Hubei Province, China

    Jianguo Liu & Xia Hua

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  1. Jianguo Liu
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  2. Xia Hua
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Correspondence to Xia Hua.

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Liu, J., Hua, X. A Novel Approach to Compute Discrete W Transform. Circuits Syst Signal Process 33, 2867–2880 (2014). https://doi.org/10.1007/s00034-014-9769-6

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  • DOI: https://doi.org/10.1007/s00034-014-9769-6

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