CV_Ch_1_Introduction To Digital Radiography And
PACS: Questions With Clear Solutions
Digital imaging Correct Answer - any imaging acquisition process that
produces an electronic image that can be viewed and manipulated on a
computer.
Flat panel detector (FPD) Correct Answer - systems use an x-ray
absorber material coupled to a thin film transistor or a charge-coupled device
(CCD) to form the image.
Indirect capture digital radiography Correct Answer - 1) FPD, CCD,
CMOS category
2) device absorb x-rays and coverts them into light
3) Light is collected by CCD or thin-film trasistor (TFT)
4) Light is converted in electrical signal
5) signal is sent to the computer for processing and viewing
Direct capture digital radiography Correct Answer - 1) FPD category
2) device converts the incident x-ray energy directly into an electrical signal
3) typically uses photoconductor as the x-ray absorber
4) signal sent to a TFT and then to a ADC
5) ADC signal sent to computer for processing and viewing
Photostimulable phosphor (PSP) image capture Correct Answer - the
digital acquisition modality that uses storage phosphor plates to produce
projection images ( previously computed radiography (CR))
Teleradiology Correct Answer - moving images via telephone lines to
and from remote locations.
1) Albert Jutras
2) introduced in 1950's
latent image formation - conventional radiography Correct Answer - X-
rays strike intensifying screen; light is emitted, and film exposed to light
PACS: Questions With Clear Solutions
Digital imaging Correct Answer - any imaging acquisition process that
produces an electronic image that can be viewed and manipulated on a
computer.
Flat panel detector (FPD) Correct Answer - systems use an x-ray
absorber material coupled to a thin film transistor or a charge-coupled device
(CCD) to form the image.
Indirect capture digital radiography Correct Answer - 1) FPD, CCD,
CMOS category
2) device absorb x-rays and coverts them into light
3) Light is collected by CCD or thin-film trasistor (TFT)
4) Light is converted in electrical signal
5) signal is sent to the computer for processing and viewing
Direct capture digital radiography Correct Answer - 1) FPD category
2) device converts the incident x-ray energy directly into an electrical signal
3) typically uses photoconductor as the x-ray absorber
4) signal sent to a TFT and then to a ADC
5) ADC signal sent to computer for processing and viewing
Photostimulable phosphor (PSP) image capture Correct Answer - the
digital acquisition modality that uses storage phosphor plates to produce
projection images ( previously computed radiography (CR))
Teleradiology Correct Answer - moving images via telephone lines to
and from remote locations.
1) Albert Jutras
2) introduced in 1950's
latent image formation - conventional radiography Correct Answer - X-
rays strike intensifying screen; light is emitted, and film exposed to light
