Estimation of Systematic and Spatially Correlated Components of Random Signals from Repeated Measurements: Application to Contrast Enhanced Computer Tomography Measurements. - Janne M. J. Huttunen; Mikael J. Turunen; Juuso T. J. Honkanen; Juha Töyräs; Jukka S. Jurvelin (SIAM J. Sci. Comput., 2016)