Progressive compression schemes allow successive refinement of image contents during reconstruction. Here an approach for modeling colour refinement of image region interiors is presented. The model is based on simple colour variations related to illumination, surface shape and texture.
Anthony J. Maeder, Daniel M. Bell, "Modeling Colour Refinement for Progressive Image Coding" in Proc. IS&T 2nd Color and Imaging Conf., 1994, pp 111 - 113, https://doi.org/10.2352/CIC.1994.2.1.art00030