1. A method of encoding ( 1 ) a sequence of sets of image region modeling coefficients into a sequence of reordered sets of image region modeling coefficients, wherein the encoding of a set of image region modeling coefficients into a reordered set of image region modeling coefficients is performed according to a scan order, wherein the method comprises a scan order determination ( 3 ) in which for a set of image region modeling coefficients a scan order is determined based on information comprised in a number of sets of image region modeling coefficients preceding the said set of image region modeling coefficients.