1. A system comprising: a image enhancement subsystem having a classifier for classifying regions of an image to control, for each region, one or more of the following: denoising, sharpening, smoothing, halftoning, under color removal; and an output coupled to the image enhancement subsystem, wherein the image enhancement subsystem operates, at least in part, in the wavelet domain, and scale dependent parameters for image enhancement are selected for a region of the image based on wavelet decomposition and level dependent classification of the region of the image.