The non-rigid warping map was also applied to the multispectral bands of the DigitalGlobe data. This dataset made use of a multivariate change detection algorithm that incorporates the spectral properties of each pixel.
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Michael E. Zelinski, John R. Henderson, Elizabeth L. Held, "Image registration and change detection for artifact detection in remote sensing imagery," Proc. SPIE 10644, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV, 1064413 (8 May 2018);