DR imaging technology is direct digital photography in a narrow sense, that is, DDR (DirectDigit Radiography) or DR (direct radiography), which usually refers to the use of electronic imaging plate technology - flat panel detector technology (FPD Technique).
The composition of the DR detection system can be simply expressed as: radiation source - detection object - radiation imaging detector - image digitization system - digital image processing system.
DR is a broad term that refers to various types of digital radiography (Digital Radiography) technologies.