1. A method for medical diagnostic image processing executed at least in part by a computer and comprising: obtaining digital image data for a diagnostic image; extracting one or more image features from the image data and obtaining one or more image properties from the one or more extracted features; obtaining an image quality aim for rendered image appearance according to one or more electronically stored viewer preferences; generating rendering parameters according to the obtained image quality aim and the one or more obtained image properties; rendering the image according to the generated rendering parameters; and validating the rendered image against the selected image quality aim.