The correlation method is used to compare a virtual calibration object and digital images of this object obtained by means of study lenses. The complete arrays of displacements of points of the images relative to the original (characteristics of distortion in the lens) for the entire field of view are found. Distortion arrays and the characteristics of the color aberration for a number of different lenses and digital cameras are determined.
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A. V. Kraiskii and T. V. Mironova, Patent 2381474 RF, “A method of calibration of an optical system,” Izobret.. Polez. Modeli, No. 4 (2010).
A. V. Kraiskii and T. V. Mironova, “Calibratoin of an optical system by means of a correlation method,” Krat. Soobsh. Fizike, No. 8, 14–24 (2008).
V. N. Borkova et al., “Measurement of gradients of optical length by means of correlation processing of digital photographs of random patterns,” Krat. Soobsh. Fizike, No. 7, 38–41 (2006).
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Translated from Izmeritel’naya Tekhnika, No. 5, pp. 26–29, May, 2011.
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Kraiskii, A.V., Mironova, T.V. Use of correlation processing of images for determination of distortions and color aberrations of photographic cameras and lenses. Meas Tech 54, 511–516 (2011). https://doi.org/10.1007/s11018-011-9758-0
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DOI: https://doi.org/10.1007/s11018-011-9758-0