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