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15 Cards in this Set
- Front
- Back
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what occurs during post processing
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the us system uses data already stored
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occurs after the image data is in the scan converter
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read magnification
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when dealing with read magnification, when the size of an image increases, what happens to pixel size?
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if unchanged, increases
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occurs upon aquistion of the us reflections
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write magnification
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what occurrs during preprocessing
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system rescan region of interest
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when dealing with write magnification, when the size of an image increases, what happens to pixel size?
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# of pixels increase
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fill-in interpolation is:
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preprocessing
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what affect does spatial compounding have on spatial resolution?
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spatial resolution is improved
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the ratio of the largest to smallest signal strength that each componet processes.
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Dynamic Range
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what are the units of dynamic range?
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dB
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which componet of the system has the greatest dynamic range? lowest?
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transducer, recording device
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whats does "PACS" stand for?
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picture archiving and commounications system
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what purpose does DICOM serve?
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provides standards for medical imaging networks
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list 3 charecteristics of narrow dynamic range:
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-few choices
- bistable (black and white) -high contrast |
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list 3 charecteristics of wide dynamic range:
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-many choices
-gray scale -low contrast |
