A Direct Digital Radiographic or DDR, is a 21st century advancement in medicine. Fluoroscopy images are captured, in real-time, by flat panels constructed out of amorphous silicon, amorphous or crystalline selenium or miniature CCD and stored by personal computer workstation. | A Direct Digital Radiographic or DDR, is a 21st century advancement in medicine. Fluoroscopy images are captured, in real-time, by flat panels constructed out of amorphous silicon, amorphous or crystalline selenium or miniature CCD and stored by personal computer workstation. |