Scale Invariant Optical Transform

David Casasent; Demetri Psaltis

doi:10.1117/12.7971962

1 June 1976 Scale Invariant Optical Transform

David Casasent, Demetri Psaltis

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Optical Engineering, Vol. 15, Issue 3, 153258 (June 1976). https://doi.org/10.1117/12.7971962

Abstract

The scale invariance of the Mellin transform and its optical synthesis in real-time are discussed. An initial off-line demonstration of an optical Mellin transform is presented. A scale invariant correlation and a combined Fourier-Mellin transform that is both scale and shift invariant are discussed. Applications of these transforms in optical data processing and optical pattern recognition are emphasized.

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David Casasent and Demetri Psaltis "Scale Invariant Optical Transform," Optical Engineering 15(3), 153258 (1 June 1976). https://doi.org/10.1117/12.7971962

Published: 1 June 1976

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