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1 May 2014 Use of Costas arrays in subpixel metrology
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Abstract
Subpixel methods increase the accuracy and efficiency of image detectors, processing units, and algorithms and provide very cost-effective systems for object tracking. A recently proposed method permits micropixel and submicropixel accuracies providing certain design constraints on the target are met. In this paper, we explore the use of Costas arrays - permutation matrices with ideal auto-ambiguity properties - for the design of such targets.
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John J. Healy, Gavin Sweeney, David Mas, and John T. Sheridan "Use of Costas arrays in subpixel metrology", Proc. SPIE 9131, Optical Modelling and Design III, 91311J (1 May 2014); https://doi.org/10.1117/12.2051787
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