This chapter provides a broad overview of the elements of digital radiography (DR). First a definition of digital radiography is presented followed by a brief review of the essential underlying principles of film-screen radiography (F-SR) including its limitations. Secondly, the major components of digital radiography imaging systems are briefly outlined. The third topic covered a comprehensive explanation of digital imaging modalities such as computed radiography (CR), flat-panel digital radiography (FPDR), digital fluoroscopy, and digital mammography. Furthermore, the elements of Picture Archiving and Communication Systems and quality control are introduced. Finally, the chapter concludes with an introduction to topics such as enterprise imaging, cloud computing, Big Data, machine learning, and deep learning as well as artificial intelligence that are considered the next era of imaging informatics.
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