E.g. M. Sjödahl and L.R. Benckert, "Electronic speckle photography: analysis of an algorithm giving the displacement with subpixel accuracy," Appl Opt. 1993 May 1;32(13):2278-84. doi:10.1364/AO.32.002278
Sarvaiya, Jignesh Natvarlal; Patnaik, Suprava; Kothari, Kajal (2012). "Image Registration Using Log Polar Transform and Phase Correlation to Recover Higher Scale". JPRR. 7 (1): 90–105. CiteSeerX10.1.1.730.9105. doi:10.13176/11.355.
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Sarvaiya, Jignesh Natvarlal; Patnaik, Suprava; Kothari, Kajal (2012). "Image Registration Using Log Polar Transform and Phase Correlation to Recover Higher Scale". JPRR. 7 (1): 90–105. CiteSeerX10.1.1.730.9105. doi:10.13176/11.355.