High-dimensional mutual information estimation for image registration

J. Kybic

Published 2004 in 2004 International Conference on Image Processing, 2004. ICIP '04.

ABSTRACT

We present a new algorithm for mutual information estimation for image registration based on the nearest neighbor entropy estimator of Kozachenko and Leonenko. We modify the algorithm to be numerically robust and computationally efficient, with optimal asymptotic complexity O(N/sub pixels/d/sub dim/). We propose two MI-based criteria exploiting the high-dimensionality of the feature space and show their effectiveness in determining the correct alignment even in difficult cases when classical criteria fail.

PUBLICATION RECORD

  • Publication year

    2004

  • Venue

    2004 International Conference on Image Processing, 2004. ICIP '04.

  • Publication date

    2004-10-24

  • Fields of study

    Mathematics, Computer Science

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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