Anewmethodofcontrastenhancementisproposedinthepaperusingmultiscaleedgerepresentationofimages,andisappliedtothefieldofCTmedicalimageprocessing.ComparingtothetraditionalWindowtechnique,ourmethodisadaptiveandmeetsthedemandofradiologyclinicsmorebetter.TheclinicalexperimentresultsshowthepracticalityandthepotentialappliedvalueofourmethodinthefieldofCTmedicalimagescontrastenhancement.