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IDProjectCategoryView StatusDate SubmittedLast Update
0009745ITKpublic2009-10-20 13:232010-10-21 12:31
ReporterLuis Ibanez 
Assigned ToLuis Ibanez 
PrioritynormalSeverityminorReproducibilityhave not tried
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Summary0009745: MattesMutualInformation doesn't work on Binary Images
DescriptionDespite the fact that Mutual Information is a suitable metric for registering binary images, the current implementation of MattesMutualInformation in ITK doesn't support this type of images. Internal computations assume that more than the joint histogram always has more than two bins by two bins.
Additional InformationReported in the ITK users mailing list by Serena Fabri
http://www.itk.org/pipermail/insight-users/2009-October/033022.html [^]

also reported by Hans Johnson during tcons.
TagsNo tags attached.
Resolution Date
Sprint
Sprint Status
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  Notes
(0018142)
Luis Ibanez (manager)
2009-10-21 11:56

 There are two implementations of MattesMutualInformation currently in the toolkit.

A) Code/Algorithms/itkMattesMutualInformationImageToImageMetric.h

B) Code/Review/itkOptMattesMutualInformationImageToImageMetric.h

Implementation (A) is used by default, and implementation (B) will be used if the CMake flag:ITK_USE_OPTIMIZED_REGISTRATION_METHODS is ON.
(0018144)
Luis Ibanez (manager)
2009-10-21 12:03

 The following two commits fix case (A) (from note above).

http://public.kitware.com/cgi-bin/viewcvs.cgi/Code/Algorithms/itkMattesMutualInformationImageToImageMetric.txx?root=Insight&r1=1.63&r2=1.64&sortby=date [^]

http://public.kitware.com/cgi-bin/viewcvs.cgi/Code/Algorithms/itkMattesMutualInformationImageToImageMetric.h?root=Insight&r1=1.27&r2=1.28&sortby=date [^]
(0018389)
Luis Ibanez (manager)
2009-11-11 12:15

 The following commits fixed case (B)

http://public.kitware.com/cgi-bin/viewcvs.cgi/Code/Review/itkOptMattesMutualInformationImageToImageMetric.txx?root=Insight&r1=1.33&r2=1.34&sortby=date [^]

http://public.kitware.com/cgi-bin/viewcvs.cgi/Code/Review/itkOptMattesMutualInformationImageToImageMetric.h?root=Insight&r1=1.8&r2=1.9&sortby=date [^]

http://public.kitware.com/cgi-bin/viewcvs.cgi/Code/Review/itkOptMattesMutualInformationImageToImageMetric.h?root=Insight&r1=1.7&r2=1.8&sortby=date [^]
(0018390)
Luis Ibanez (manager)
2009-11-11 12:16

 Tests for binary images were added and are passing in the dashboard.

http://public.kitware.com/cgi-bin/viewcvs.cgi/Examples/Registration/CMakeLists.txt?root=Insight&r1=1.189&r2=1.190&sortby=date [^]

http://public.kitware.com/cgi-bin/viewcvs.cgi/Examples/Registration/CMakeLists.txt?root=Insight&r1=1.187&r2=1.188&sortby=date [^]

 Issue History
Date Modified Username Field Change
2009-10-20 13:23 Luis Ibanez New Issue
2009-10-20 13:23 Luis Ibanez Status new => assigned
2009-10-20 13:23 Luis Ibanez Assigned To => Luis Ibanez
2009-10-21 11:56 Luis Ibanez Note Added: 0018142
2009-10-21 12:03 Luis Ibanez Note Added: 0018144
2009-11-11 12:15 Luis Ibanez Note Added: 0018389
2009-11-11 12:16 Luis Ibanez Note Added: 0018390
2009-11-11 12:16 Luis Ibanez Status assigned => resolved
2009-11-11 12:16 Luis Ibanez Resolution open => fixed
2010-10-21 12:31 Gabe Hart Status resolved => closed

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