Fast Algorithms for the Computation of Sliding Discrete Hartley Transforms

  • Authors:
  • V. Kober

  • Affiliations:
  • Dept. of Comput. Sci., CICESE, Ensenada

  • Venue:
  • IEEE Transactions on Signal Processing
  • Year:
  • 2007

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Abstract

Fast algorithms for computing generalized discrete Hartley transforms in a sliding window are proposed. The algorithms are based on second-order recursive relations between subsequent local transform spectra. New efficient inverse algorithms for signal processing in a sliding window are also presented. The computational complexity of the algorithms is compared with that of known fast discrete Hartley transforms and running recursive algorithms