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IDProjectCategoryView StatusDate SubmittedLast Update
0004113Slicer4Core: Diffusion and Tractography (Any modules)public2015-12-18 11:402016-02-29 13:51
Reporterzhangfanmark Assigned Toinorton  
PrioritynormalSeveritymajorReproducibilityalways
Status closedResolutionfixed 
Product VersionSlicer 4.5.0-1 
Target VersionFixed in VersionSlicer 4.6.0 
Summary0004113: BUG: DiffusionWeightedVolumeMasking fails to find b0 image
Description

Hi,

I was trying to use DiffusionWeightedVolumeMasking module to generate a brain mask given the Diffusion Tensor Imaging Tutorial test data. However, it generated an error message about missing b0 image. Attached please find the screenshot of this error. Could you take a look?

The error exists in the stable release 4.5.0 and the following nightly build versions.

Regards,
Fan

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zhangfanmark

zhangfanmark

2015-12-18 11:40

reporter  

masking bug.png (441,606 bytes)
masking bug.png (441,606 bytes)
lauren

lauren

2016-01-05 14:45

developer   ~0013698

This dataset seems to have a quite low but nonzero b-value for the b0 images. Probably there is an epsilon that is too small for comparison to 0?
inorton

inorton

2016-02-29 13:51

developer   ~0013827

Fixed by https://github.com/SlicerDMRI/SlicerDMRI/pull/27

Issue History

Date Modified Username Field Change
2015-12-18 11:40 zhangfanmark New Issue
2015-12-18 11:40 zhangfanmark Status new => assigned
2015-12-18 11:40 zhangfanmark Assigned To => alexy
2015-12-18 11:40 zhangfanmark File Added: masking bug.png
2016-01-05 14:45 lauren Note Added: 0013698
2016-01-05 14:50 inorton Assigned To alexy => inorton
2016-02-29 13:49 jcfr Category Module DiffusionWeightedVolumeMasking => Core: Diffusion & Tractography
2016-02-29 13:51 inorton Note Added: 0013827
2016-02-29 13:51 inorton Status assigned => closed
2016-02-29 13:51 inorton Resolution open => fixed
2016-02-29 13:51 inorton Fixed in Version => Slicer 4.6.0
2016-02-29 14:05 jcfr Category Core: Diffusion & Tractography => Core: Diffusion & Tractography (Any modules)
2016-06-20 14:14 jcfr Category Core: Diffusion & Tractography (Any modules) => Core: Diffusion and Tractography (Any modules)