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Phase-Only Rotation Invariant Correlation Using Synthesized Phase Objects

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We present a development of the method of synthesized phase objects (SPO-method) (P. V. Yezhov, et al. Opt. Exp. 20, 29854 (2012)) for the phase-only rotation invariant pattern recognition. It has been performed a comparison of correlation signals for a set of amplitude objects under their rotation by using the standard and SPO methods, by applying the Fourier-Mellin transformation. The results of both calculation and optical experiments carried out using an optical-digital correlator with SLM in the Fourier plane have been presented.
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Keywords: Fourier-Mellin Transformation; Hybrid Optical-Digital 4F-Correlator; Iterative Fourier-Transform Algorithm; Phase-Only Rotation Invariant Pattern Recognition; Synthesized Phase Objects

Document Type: Research Article

Affiliations: 1: Institute of Physics of the NAS of Ukraine, Kyiv 03028, Ukraine 2: Department of Photonic Engineering, College of Engineering, Chosun University, Gwangju 61452, Korea

Publication date: February 1, 2019

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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