Composite reference image for joint transform correlator

Research output: Contribution to journalArticlepeer-review


Extension of the joint transform correlator (JTC) operation to include a complex reference image has been presented. Such amplitude and phase reference images are common when using a single harmonic (circular, radial, logarithmic, etc.) in correlation setups or when implementing composite filters. The analysis of an aspect view (tilt) invariant pattern recognition system, using logarithmic harmonics decomposition, JTC principles and composite filter techniques, is described followed by experimental results that can be obtained in real time.

Original languageEnglish
Pages (from-to)379-390
Number of pages12
JournalMultidimensional Systems and Signal Processing
Issue number4
StatePublished - Nov 1991


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