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18th International Conference on Pattern Recognition (ICPR'06) Volume 2
Robust Image Registration Based on Markov-Gibbs Appearance Model
Hong Kong
August 20-August 24
ISBN: 0-7695-2521-0
Ayman El-Baz, CVIP Laboratory, University of Louisville, Louisville, Kentucky, USA.
Aly Farag, CVIP Laboratory, University of Louisville, Louisville, Kentucky, USA.
Georgy Gimel'farb, University of Auckland, New Zealand.
Alaa E. Abdel-Hakim, University of Louisville, Louisville, Kentucky, USA.
A new approach to align an image of a textured object with a given prototype is proposed. Visual appearance of the images, after equalizing their signals, is modeled with a Markov-Gibbs random field with pairwise interaction. Similarity to the prototype is measured by a Gibbs energy of signal co-occurrences in a characteristic subset of pixel pairs derived automatically from the prototype. An object is aligned by an affine transformation maximizing the similarity by using an automatic initialization followed by gradient search. Experiments confirm that our approach aligns complex objects better than popular conventional algorithms.
Citation:
Ayman El-Baz, Aly Farag, Georgy Gimel'farb, Alaa E. Abdel-Hakim, "Robust Image Registration Based on Markov-Gibbs Appearance Model," icpr, vol. 2, pp.1204-1207, 18th International Conference on Pattern Recognition (ICPR'06) Volume 2, 2006
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