Sigma approximation: Difference between revisions

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is the '''Lanczos σ factor''', which is responsible for eliminating most of the Gibbs ringing phenomenon. It does not do so entirely, however, but one can square or even cube the expression to serially attenuate Gibbs Phenomenon in the most extreme cases.
 
== See also ==
* [[Lanczos resampling]]
 
==References==