Optimised directional distance filter

  • Authors:
  • Rastislav Lukac

  • Affiliations:
  • Department of Electronics and Multimedia Communications, Technical University of Kosice, Park Komenskeho 13, 041 20 Kosice, Slovak Republic

  • Venue:
  • Machine Graphics & Vision International Journal - Special issue on latest results in colour image processing and applications
  • Year:
  • 2002

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Abstract

The paper deals with some new algorithms for "overlapped" calculation of 1D and 2D DFT spectra of a multi-channel signal. The algorithms' computational complexity is decreased via a fast calculation of an auxiliary transform that takes ...