[Changes in radiological technology research for medical imaging: from analogue to digital image studies].
D000703:Analog-Digital Conversion; D003936:Diagnosis, Computer-Assisted; D011856:Radiographic Image Enhancement / Q000379:methods* / Q000639:trends*; D059629:Signal-To-Noise Ratio; D013382:Subtraction Technique / Q000639:trends; D013679:Technology, Radiologic / Q000379:methods* / Q000639:trends*; D014963:X-Ray Intensifying Screens / Q000639:trends*