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PACS Chapter 1
Key terms
Term | Definition |
---|---|
Digital imaging | any acquisition process that produces an electronic image that can be viewed and manipulated on a computer. |
Direct Capture digital radiography | devices convert the incident X-ray energy directly into an electrical signal, typically using a photoconductor as the X-ray absorber, and send an electrical signal to a TFT and then to an ADC, which is sent to a computer for processing and viewing. |
Flat panel detector (FPD) | system that uses an X-Ray absorber material coupled to a TFT, CMOS, or CCD to form the image. |
Indirect capture digital radiography | Devices absorb X-Rays and convert them into light. The light is collected by an area-CCD, CMOS or TFT array and then converted into an electrical signal that is sent to the computer for processing and viewing |
Photostimulable phosphor (PSP) image capture | Also known as CR (computed radiography) is the digital acquisition modality that uses storage phosphor plates to produce projection images. |
Teleradiology | moving images via telephone lines to and from remote locations. |