- Category:
- Other systems
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[WORD]
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- 221kb
- Update:
- 2014-06-17
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- 孙杨
Description: Correctionforreconstructed
images
wasthat the
ring
artifacts in theCartesi
dinateweretransformedinto thevertical line artifactsinthe
polar
coordinatea
vedas
sinogram
correction．Thefirst methodis al(ind of
image preprocessing
herone
belongs
to
imagepostprocessing．In
mostcasescorrectionsare
optimal
ied
to sinogramdata．The setof
algorithms
enable
virtuallycompletering
artifa
valfrom
tomographic imagery
withminimalto
negligible
contaminationoft
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