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Computationally efficient local area based image co-registration

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2 Author(s)
Homer, J. ; Dept. of Comput. Sci. & Electr. Eng., Queensland Univ., Brisbane, Qld., Australia ; Longstaff, I.D.

Area based co-registration of two or more images is typically based on maximisation of the correlation coefficient (CC) similarity measure. The authors investigate two `nonconventional' area based similarity measures and develop a procedure for optimising their computational efficiency. The result is a computational advantage over the CC method of 2M, where M is the size of the co-registration parameter value search space. An experimental study involving radar image pairs is also included

Published in:

Electronics Letters  (Volume:34 ,  Issue: 21 )