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IDProjectCategoryView StatusDate SubmittedLast Update
0011609ITK(No Category)public2010-12-15 12:072010-12-15 12:08
ReporterLuis Ibanez 
Assigned ToBradley Lowekamp 
PrioritynormalSeverityminorReproducibilityhave not tried
StatusassignedResolutionopen 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Resolution Date
Sprint
Sprint Statusbacklog
Summary0011609: MeanFilter and CovariantFilter : Precision : Need Kahan Summation
DescriptionWhen computing statistics on very large samples the current naive summation approach may result in precision loses. It has been suggested that Kahan summation should be used in these filters in order to prevent such precision losses.

http://en.wikipedia.org/wiki/Kahan_summation_algorithm#Accuracy [^]
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child of 0008893closed Luis Ibanez RefactorStatistics MeanFilter and CovariantFilter may compute wrong value, no MeasurementVector AccumulateType 
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Issue History
Date ModifiedUsernameFieldChange
2010-12-15 12:07Luis IbanezNew Issue
2010-12-15 12:07Luis IbanezAssigned To => Bradley Lowekamp
2010-12-15 12:07Luis IbanezStatusnew => assigned
2010-12-15 12:08Luis IbanezRelationship addedchild of 0008893

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