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Image processing | CCD and CMOS questions n answers graded A+
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Image processing | CCD and CMOS questions n answers graded A+
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Image processing | CCD and CMOSIf the FOV is increased, the matrix size will: - correct answer ✔✔not be affected
One of the distinct differences between CMOS and FPD technologies is: - correct answer ✔✔A. The
electrons move out of the plate to the ADC in FPD via a data line
B. The electrons move out of the plate via an individual ADC per pixel in CMOS
Which of the following types of radiographic digital technology would require less than 5 seconds to
process an image? - correct answer ✔✔FPD technology
CMOS technology
CCD technology
Who is credited with the development of CMOS technology? - correct answer ✔✔NASA
Which of the following would result in the best image? - correct answer ✔✔Strong signal and weak
noise
The creators of CCD technology won the Nobel prize in Physics in : - correct answer ✔✔2009
The capture layer in CMOS technology is typically made of: - correct answer ✔✔Cesium iodide
Which of the following would represent the pixel in CCD technology? - correct answer ✔✔Just a square
CCD technology is used in which of the following? - correct answer ✔✔Telescopes and satellites
Which of the following has the potential to surpass film in regards to detail and resolution? - correct
answer ✔✔CMOS
, If the matrix size increases, resolution: - correct answer ✔✔increases
If the DEL is increased, patient dose will: - correct answer ✔✔decrease
When was CMOS developed? - correct answer ✔✔Early 1960s
Which of the following would best represent a pixel in an FPD plate? - correct answer ✔✔A square with
two mini square in opposite corners
Which of the following utilizes the "bucket brigade"? - correct answer ✔✔CCD
In CCD technology, the fiber optics: - correct answer ✔✔transport the light photons to the photodiode
Which of the following utilizes fiber optics to transport light photons to the photodiode? - correct
answer ✔✔CCDs
If more than 0.1-0.2% of pixels in a CCD plate are compromised, which of the following might result? -
correct answer ✔✔Amplification noise
What is the difference(s) between a-Si and p-Si? - correct answer ✔✔p-Si is a purer form of silicon
Which of the following does NOT utilize Cesium Iodide as the scintillator? - correct answer ✔✔Indirect
unstructured FPD
The advantage(s) of CCD technology is(are): - correct answer ✔✔- it is relatively inexpensive
- the entire pixel is a DEL
- radiation does not reach the electronics therefore it does not harm them
- the chip is extremely sensitive to light
Which of the following technologies has the best resolution? - correct answer ✔✔Film
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