27 April 2010 Robust multi-scale multi-modal image registration
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Multi modal image registration is an especially difficult problem when one of the images contains only a small region of the other image. In this case there is generally a need to search for the alignment parameters over the entire image. If an associated local optimization scheme is initialized far from the global solution, it usually converges to a local optimum. This paper presents a multi-scale approach that greatly enlarges the basin of attraction of the global optimum, and demonstrates how to find the correct solution to the optimization problem efficiently and reliably, by solving a small number of local optimization problems and tracking a small number of likely candidates.
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Michal Holtzman-Gazit, Michal Holtzman-Gazit, Irad Yavneh, Irad Yavneh, } "Robust multi-scale multi-modal image registration", Proc. SPIE 7697, Signal Processing, Sensor Fusion, and Target Recognition XIX, 769713 (27 April 2010); doi: 10.1117/12.848681; https://doi.org/10.1117/12.848681

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