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自动化学报 2005
确定性扰动PV插值算法及其性能分析, PP. 584-589 Keywords: Interpolation,partialvolumeinterpolation,perturbation,deterministicperturbation,imageregistration,mutualinformation Abstract: ？Thispaperdiscussestheperformanceofsomeexistinginterpolationalgorithms,andpresentsadeterministicperturbationpartialvolumeinterpolationalgorithm.Thisalgorithmdistributesthecontributionofintensityofthetransformedpointtonineentriesinthejointhistogram,importsanddeterminestheperturbationtocalculatetheweights.Thenitisanalyzedandcomparedwithotheralgorithms.Theresultsofexperimentsindicatethatthisalgorithmcanavoidthelocalextremesongridpointsandnon-gridpoints,andeffectivelysmooththeobjectfunction.
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