Evaluation of image blur (unsharpness) in medical imaging.
D005069:Evaluation Studies as Topic; D006801:Humans; D011786:Quality Control; D011856:Radiographic Image Enhancement / Q000295:instrumentation*; D011877:Radionuclide Imaging / Q000592:standards*; D014057:Tomography, X-Ray Computed / Q000592:standards*; D014463:Ultrasonography / Q000592:standards*; D014963:X-Ray Intensifying Screens / Q000592:standards*