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| ID | Project | Category | View Status | Date Submitted | Last Update |
| 0007485 | ITK | | public | 2008-08-13 08:32 | 2010-10-21 12:32 |
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| Reporter | Luke Bloy | |
| Assigned To | kentwilliams | |
| Priority | normal | Severity | major | Reproducibility | always |
| Status | closed | Resolution | fixed | |
| Platform | | OS | | OS Version | |
| Product Version | ITK-3-8 | |
| Target Version | | Fixed in Version | | |
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| Summary | 0007485: itkNiftiImageIO saves tensors in non-standard way |
| Description | Nifti 1.1 supports the SYMMATRIX intent code for the saving of symmetric matrices. The format as described in http://godzilla.kennedykrieger.org/sw/niftilib/group__NIFTI1__INTENT__CODES.html [^] , is lower triangular. itk uses upper triangular for it's internal storage and then uses the Vector intent code and saves the tensors in upper triangular order.
This makes the nifti files incompatible with other software such as afni/medInria etc. |
| Additional Information | I'm attaching an edited 3.6 itkNiftiImageIO.cxx file that I believe addresses the issue although it is specific for the tensor class not for the itkSymmetricSecondRankTensor class |
| Tags | No tags attached. |
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| Resolution Date | |
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| Attached Files |  itkNiftiImageIO.cxx [^] (48,274 bytes) 2008-08-13 08:32 |
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