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Elsevier, Signal Processing: Image Communication, 9(23), p. 711-724

DOI: 10.1016/j.image.2008.08.003

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An efficient spatial domain technique for subpixel image registration

Journal article published in 2008 by Irene G. Karybali, Emmanouil Z. Psarakis, Kostas Berberidis, Georgios D. Evangelidis
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This paper is available in a repository.

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Abstract

In this paper a new technique for performing image registration with subpixel accuracy is presented. The proposed technique, which is based on the maximization of the correlation coefficient function, does not require the reconstruction of the intensity values and provides a closed-form solution to the subpixel translation estimation problem. Moreover, an efficient iterative scheme is proposed, which reduces considerably the overall computational cost of the image registration problem. This scheme properly combined with the proposed similarity measure results in a fast spatial domain technique for subpixel image registration.