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Efficient and fast iterative reweighted least-squares nonrecursive filters

Efficient and fast iterative reweighted least-squares nonrecursive filters

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An efficient and fast technique for designing Lp approximation filters using the iterative reweighted least-squares (IRLS) algorithm is proposed. This technique introduces an extra frequency response which implicitly includes the weighting function such that the filter coefficients can be obtained with O(N2) complexity.

References

    1. 1)
      • C.S. Burrus , J.A. Barreto , I.W. Selesnick . Iterative reweighted least-squares design of FIR filters. IEEE Trans. , 11 , 2926 - 2936
    2. 2)
      • S. Sunder . An efficient weighted least-squares design of linear-phase nonrecursivefilters. IEEE Trans. , 5 , 359 - 361
    3. 3)
      • Y.D. Jou , C.H. Hsieh , C.M. Kuo . Efficient weighted least-squares algorithm for the design of FIR filters. IEE Proc. Vision, Image and Sig. Process. , 4 , 244 - 248
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