Radiology · 1972 · 49 citations · 0 references
MedicineRadiologyBiomedical ImagingDiagnostic ImagingDiagnostic RadiologyDigital Image ProcessingImage ProcessingImage QualityRadiographic ImagingSignal Detection TheoryVisual DetectionArea Under The Receiver Operating Characteristic CurveObserver Performance EvaluationRadiographic NoiseSignal Detection In DisplaysSignal Detection Thresholds
Receiver operating characteristic (ROC) curves describe observer performance in the detection of small noiselimited signals such as the image of a 2 mm Lucite bead against a background of radiographic mottle. A combination of a fast-speed screen and normal-speed :film yields greater signal detectability than a combination of a medium-speed screen and fast-speed film.