1. A process for a purpose specific enhancement filtering of anatomical data, the process comprising: acquiring a body of voxel data using a medical imaging system; selecting a specific purpose involving a plurality of processing tasks to be applied on the anatomical data; setting, on the medical imaging system, specific parameter values for the specific purpose; enhancing the body of voxel data using a segmentation based three-dimensional filtering with purpose specific parameter values to obtain enhanced anatomical data, wherein enhancing includes combining weighted contributions from anisotropically smoothed foreground voxel data, isotropically smoothed background voxel data, and the body of voxel data to form the enhanced anatomical data; using the enhanced anatomical data for the processing tasks of the specific purpose; and generating an image using the intermediate voxel data.