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An efficient spatial domain technique for subpixel image registration

Authors
Journal
Signal Processing Image Communication
0923-5965
Publisher
Elsevier
Publication Date
Volume
23
Issue
9
Identifiers
DOI: 10.1016/j.image.2008.08.003
Keywords
  • Fast Image Registration
  • Subpixel Accuracy
  • Correlation Coefficient Function
Disciplines
  • Computer Science

Abstract

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.

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