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RavenFilter
Process categoryBrief description

Computational demand

for typical tomography data

(low, medium, high)

Comment(s)Reference(s)Common alternative process(es)
filter

To suppress ring artefacts.

Medium
  1. Operates on sinograms.
  2. Over-aggressive applicationcan lead to new artefacts.
Numerical removal of ring artifacts in microtomography
  1. RingRemovalWaveletfft
  2. CcpiRingArtefactFilter

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Over-aggressive uvalue can create new in the form of dark rings ('shadows')
ItemParameter nameParameter formatExample(s)Comment(s)
Parameter valueEffect
1

uvalue


10To suppress prominent ring artefacts. artefacts.
20To suppress moderate ring artefacts.
50To suppress minor ring artefacts.
2

in_datasets





3nvalue



4

out_datasets





5

vvalue





6padFT



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