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Circular-Fourier–radial-Mellin transform descriptors for pattern recognition

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Abstract

Image descriptors based on a circular-Fourier–radial-Mellin transform are proposed. They are invariant with respect to rotation, translation, and change of scale. They represent a generalized approach to specific descriptors using a circular-harmonic expansion, a Mellin transform, or moment invariants. The possibility of computing the Fourier–Mellin descriptors by using an optical processor in real time is discussed.

© 1986 Optical Society of America

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