30 November 2015 Method of synthesized phase objects for pattern recognition with rotation invariance
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Proceedings Volume 9809, Twelfth International Conference on Correlation Optics; 98090B (2015) https://doi.org/10.1117/12.2219848
Event: 12th International Conference on Correlation Optics, 2015, Chernivsti, Ukraine
Abstract
We present a development of the method of synthesized phase objects (SPO-method) [1] for the rotation-invariant pattern recognition. For the standard method of recognition and the SPO-method, the comparison of the parameters of correlation signals for a number of amplitude objects is executed at the realization of a rotation in an optical-digital correlator with the joint Fourier transformation. It is shown that not only the invariance relative to a rotation at a realization of the joint correlation for synthesized phase objects (SP-objects) but also the main advantage of the method of SP-objects over the reference one such as the unified δ-like recognition signal with the largest possible signal-to-noise ratio independent of the type of an object are attained.
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Alexander P. Ostroukh, Alexander M. Butok, Rostislav A. Shvets, Pavel V. Yezhov, Jin-Tae Kim, Alexander V. Kuzmenko, "Method of synthesized phase objects for pattern recognition with rotation invariance", Proc. SPIE 9809, Twelfth International Conference on Correlation Optics, 98090B (30 November 2015); doi: 10.1117/12.2219848; https://doi.org/10.1117/12.2219848
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