Image quality evaluation: a psychophysical approach.
D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis; D008961:Models, Structural; D011601:Psychophysics; D011859:Radiography / Q000592:standards*; D011877:Radionuclide Imaging / Q000592:standards; D012015:Reference Standards; D014796:Visual Perception