Two-dimensional wavelet transform achieved by computer-generated multireference matched filter and dammann grating

David Mendlovic, Ido Ouzieli, Irena Kiryuschev, Emanuel Marom

Research output: Contribution to journalArticlepeer-review

Abstract

A two-dimensional wavelet transform is optically performed in real time by use of a new multichannel system that processes the different daughter wavelets separately. The system, which is able to handle every wavelet function, relies on a Dammann grating for generating a multichannel array. All channels are processed in parallel by a conventional two-dimensional correlator. Experimental results applying Morlet-wavelet decomposition are presented.

Original languageEnglish
Pages (from-to)8213-8219
Number of pages7
JournalApplied Optics
Volume34
Issue number35
DOIs
StatePublished - Dec 1995

Keywords

  • Dammann gratings
  • Gabor transform
  • Optical multichannel correlators
  • Wavelet transform
  • Wavelets

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