# Latest

**URL:** https://discourse.itk.org/latest.md?page=90

[Latest](https://discourse.itk.org/latest.md) · [Categories](https://discourse.itk.org/categories.md) · [Tags](https://discourse.itk.org/tags.md)

**Page:** 91

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## ['add' bynary mask to a volume](https://discourse.itk.org/t/add-bynary-mask-to-a-volume/1676)

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**Author:** [@Marco\_Festugato](https://discourse.itk.org/u/Marco_Festugato)\
**Replies:** 1\
**Last updated:** [March 15, 2019, 7:49pm UTC](https://discourse.itk.org/t/add-bynary-mask-to-a-volume/1676 "2019-03-15T19:49:45Z")

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Hi guys! I have to segment the liver vessels from a volume and ‘highlight’ them so they are more visible. I thought of creating a binary volume of my vessels and ‘add’ it to my volume…do u have any suggestions/examples/c…

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## [Create sagittal, coronal and axial views using series of DICOM images](https://discourse.itk.org/t/create-sagittal-coronal-and-axial-views-using-series-of-dicom-images/953)

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**Author:** [@rasoul](https://discourse.itk.org/u/rasoul)\
**Replies:** 4\
**Last updated:** [March 15, 2019, 7:31pm UTC](https://discourse.itk.org/t/create-sagittal-coronal-and-axial-views-using-series-of-dicom-images/953 "2019-03-15T19:31:59Z")

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Hi every one, How can I create sagittal ,coronal and axial views using series of DICOM images? I can read them but now I want to create different views. Thanks a lot

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## [Registration of dicom series image with another series](https://discourse.itk.org/t/registration-of-dicom-series-image-with-another-series/1667)

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**Author:** [@EE18D504\_SINDHURA\_C](https://discourse.itk.org/u/EE18D504_SINDHURA_C)\
**Replies:** 7\
**Last updated:** [March 15, 2019, 1:52pm UTC](https://discourse.itk.org/t/registration-of-dicom-series-image-with-another-series/1667 "2019-03-15T13:52:32Z")

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I have two dicom series images of brain. I want to perform registration between the images in ITK. I wanted to find deformation points first, do transformation, then apply inverse deformation. Suggest me a suitable algor…

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## [Is itk able to preserve the VOI LUT, windows level.. to use vtk afterwards with all the info](https://discourse.itk.org/t/is-itk-able-to-preserve-the-voi-lut-windows-level-to-use-vtk-afterwards-with-all-the-info/1671)

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**Author:** [@zandarina](https://discourse.itk.org/u/zandarina)\
**Replies:** 1\
**Last updated:** [March 15, 2019, 1:27pm UTC](https://discourse.itk.org/t/is-itk-able-to-preserve-the-voi-lut-windows-level-to-use-vtk-afterwards-with-all-the-info/1671 "2019-03-15T13:27:52Z")

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Dear all, I have to perform some segmentation and visualize it in vtk. I wonder if i read the dicom series in itk first, i wonder if it will lose the voi lut, windows level to show in vtk. So my question is if itk pre…

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## [Filter DICOM images with a 3d vtk model](https://discourse.itk.org/t/filter-dicom-images-with-a-3d-vtk-model/1662)

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**Author:** [@siaeleni](https://discourse.itk.org/u/siaeleni)\
**Replies:** 1\
**Last updated:** [March 13, 2019, 6:28pm UTC](https://discourse.itk.org/t/filter-dicom-images-with-a-3d-vtk-model/1662 "2019-03-13T18:28:17Z")

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Hello all, I would like to filter my dicom files using vtk model. Is that possible? If not is there any other workaround? Thanks a lot, Helen

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## [LabelGeometryImageFilterType linkage errors when definition](https://discourse.itk.org/t/labelgeometryimagefiltertype-linkage-errors-when-definition/1653)

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**Author:** [@zandarina](https://discourse.itk.org/u/zandarina)\
**Replies:** 1\
**Last updated:** [March 12, 2019, 2:25pm UTC](https://discourse.itk.org/t/labelgeometryimagefiltertype-linkage-errors-when-definition/1653 "2019-03-12T14:25:14Z")

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Dear all, I would like to detect circular shapes and knwo the features to select the one i am interested in a fast way and i would like to use this labelgeometryImageFilterType to obtain for example the eccentricity of…

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## [Problem reading a series UIDs](https://discourse.itk.org/t/problem-reading-a-series-uids/1641)

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**Author:** [@Roulbac](https://discourse.itk.org/u/Roulbac)\
**Replies:** 24\
**Last updated:** [March 11, 2019, 4:14pm UTC](https://discourse.itk.org/t/problem-reading-a-series-uids/1641 "2019-03-11T16:14:52Z")

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I have a directory containing files with .dcm.dcma extension. It contains 4 series. I can easily open it with ITK-SNAP or Slicer3D. I run sitk.ImageSeriesReader\_GetGDCMSeriesIDs on it and it simply freezes without ret…

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## [Call for help: performance benchmarking results](https://discourse.itk.org/t/call-for-help-performance-benchmarking-results/1593)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 2\
**Last updated:** [March 11, 2019, 2:29am UTC](https://discourse.itk.org/t/call-for-help-performance-benchmarking-results/1593 "2019-03-11T02:29:34Z")

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Hi folks, We need your help. A team of students from the University of North Carolina-Chapel Hill is developing an application to visualize the ITK performance benchmarks. This tool will help us understand how changes …

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## [The collapse of the dimension using extractFilter does not make sense](https://discourse.itk.org/t/the-collapse-of-the-dimension-using-extractfilter-does-not-make-sense/1642)

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**Author:** [@zandarina](https://discourse.itk.org/u/zandarina)\
**Replies:** 3\
**Last updated:** [March 9, 2019, 7:37pm UTC](https://discourse.itk.org/t/the-collapse-of-the-dimension-using-extractfilter-does-not-make-sense/1642 "2019-03-09T19:37:56Z")

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Dear all, I want to do 3d segmentation of an especific vessel but i am having a lot of problems with memory with the 3d filters as this vessels has no contrast at all and i do not have any prior info only intensities an…

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## [Mattes et al. vs Viola and Wells Mutual Information](https://discourse.itk.org/t/mattes-et-al-vs-viola-and-wells-mutual-information/1645)

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**Author:** [@ibr](https://discourse.itk.org/u/ibr)\
**Replies:** 0\
**Last updated:** [March 8, 2019, 9:07pm UTC](https://discourse.itk.org/t/mattes-et-al-vs-viola-and-wells-mutual-information/1645 "2019-03-08T21:07:41Z")

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Hi, Can someone please explain the difference between Mattes et al Mutual Information MMI and Viola and Wells Mutual Information VMI? From the description in the links, I understand that MMI uses Parzen histogram with …

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## [How can I configure ITK for an MFC VS2010 using CMake?](https://discourse.itk.org/t/how-can-i-configure-itk-for-an-mfc-vs2010-using-cmake/1640)

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**Author:** [@Armando](https://discourse.itk.org/u/Armando)\
**Replies:** 2\
**Last updated:** [March 7, 2019, 7:40pm UTC](https://discourse.itk.org/t/how-can-i-configure-itk-for-an-mfc-vs2010-using-cmake/1640 "2019-03-07T19:40:11Z")

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Hi. When I set up and generated ITK for VS2010 in CMake, and after compiling in VS2010, I discovered that the default settings in the Properties of the created project are related to the Win32 project type. How can I co…

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## [MEMORY ALLOCATION error](https://discourse.itk.org/t/memory-allocation-error/1639)

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**Author:** [@zandarina](https://discourse.itk.org/u/zandarina)\
**Replies:** 2\
**Last updated:** [March 7, 2019, 5:21pm UTC](https://discourse.itk.org/t/memory-allocation-error/1639 "2019-03-07T17:21:04Z")

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Dear all, I try this function for vessel segmentation but it get an error of bad memory allocation. I see it is not a streaming funcion. Is there any way to use it without resizing my volume?. Thanks using HessianFilt…

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## [itkSimpleFuzzyConnectednessImageFilterBase](https://discourse.itk.org/t/itksimplefuzzyconnectednessimagefilterbase/1636)

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**Author:** [@zandarina](https://discourse.itk.org/u/zandarina)\
**Replies:** 1\
**Last updated:** [March 6, 2019, 2:52pm UTC](https://discourse.itk.org/t/itksimplefuzzyconnectednessimagefilterbase/1636 "2019-03-06T14:52:45Z")

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Dear all, I want to use this fucntion: itkSimpleFuzzyConnectednessImageFilterBase but it does no appear in the new version. There is anyway to use fuzzy connectness in the new versions? Thanks

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## [Scaling HU values after image loading](https://discourse.itk.org/t/scaling-hu-values-after-image-loading/1629)

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**Author:** [@danelliottster](https://discourse.itk.org/u/danelliottster)\
**Replies:** 1\
**Last updated:** [March 4, 2019, 2:22pm UTC](https://discourse.itk.org/t/scaling-hu-values-after-image-loading/1629 "2019-03-04T14:22:46Z")

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Hello. Thank you for the excellent work on ITK. Is there a set of built-in functions for scaling the HU values read from the DICOM images? E.g. are there bone, lung, etc defaults? Are there methods for balancing the …

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## [dicom + Hessian filter](https://discourse.itk.org/t/dicom-hessian-filter/1631)

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**Author:** [@zandarina](https://discourse.itk.org/u/zandarina)\
**Replies:** 1\
**Last updated:** [March 4, 2019, 2:04pm UTC](https://discourse.itk.org/t/dicom-hessian-filter/1631 "2019-03-04T14:04:00Z")

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Hi i want to read series of dicom and apply the hessian filter but i get an error when i use hessianFilter-\>SetInput(reader-\>GetInput()); because it does not accept a reader of series of dicoms. I have read the dicom…

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## [Handling of combined accents by ITK system tools](https://discourse.itk.org/t/handling-of-combined-accents-by-itk-system-tools/1619)

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**Author:** [@tim-evain](https://discourse.itk.org/u/tim-evain)\
**Replies:** 11\
**Last updated:** [February 28, 2019, 3:09pm UTC](https://discourse.itk.org/t/handling-of-combined-accents-by-itk-system-tools/1619 "2019-02-28T15:09:13Z")

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Hello everyone, I’m using the itksys tools to do some file parsing and I’ve encountered a nasty problem with some filepaths containing accented characters. For example I have this folder name in my database : “aorte\_dé…

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## [Visual Studio RTTI configuration error](https://discourse.itk.org/t/visual-studio-rtti-configuration-error/1620)

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**Author:** [@Pooja\_Virkar](https://discourse.itk.org/u/Pooja_Virkar)\
**Replies:** 9\
**Last updated:** [February 26, 2019, 5:48pm UTC](https://discourse.itk.org/t/visual-studio-rtti-configuration-error/1620 "2019-02-26T17:48:21Z")

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## [Shadowed functions in GPUImage (or CudaImage)](https://discourse.itk.org/t/shadowed-functions-in-gpuimage-or-cudaimage/1614)

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**Author:** [@simon.rit](https://discourse.itk.org/u/simon.rit)\
**Replies:** 5\
**Last updated:** [February 25, 2019, 3:16pm UTC](https://discourse.itk.org/t/shadowed-functions-in-gpuimage-or-cudaimage/1614 "2019-02-25T15:16:32Z")

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I am looking for explanations and advices, I hope you can help. I would like to be able to Graft an itk::Image to an itk::CudaImage (which is similar to itk::GPUImage). Recently, I have removed some code in itk::CudaImag…

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## [GitHub issue labels](https://discourse.itk.org/t/github-issue-labels/1256)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 14\
**Last updated:** [February 24, 2019, 2:28pm UTC](https://discourse.itk.org/t/github-issue-labels/1256 "2019-02-24T14:28:29Z")

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Hi folks, For our transition to GitHub for issue tracking: are there preferences for issue label names? Some proposed so far are Enhancement, Warning, CMake…

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## [ShapeLabelMapFilter floating point exception](https://discourse.itk.org/t/shapelabelmapfilter-floating-point-exception/1397)

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**Author:** [@Fijoy\_Vadakkumpadan](https://discourse.itk.org/u/Fijoy_Vadakkumpadan)\
**Replies:** 8\
**Last updated:** [February 22, 2019, 2:49pm UTC](https://discourse.itk.org/t/shapelabelmapfilter-floating-point-exception/1397 "2019-02-22T14:49:54Z")

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Hello, I’m getting a floating point exception at line #364 of: crashing the application. The reason seems to be numerical precision issues in principal moments calculation, resulting in a call to std::sqrt() with a …

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## [Reproducibility of image registration](https://discourse.itk.org/t/reproducibility-of-image-registration/1591)

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**Author:** [@take5v](https://discourse.itk.org/u/take5v)\
**Replies:** 7\
**Last updated:** [February 22, 2019, 1:59pm UTC](https://discourse.itk.org/t/reproducibility-of-image-registration/1591 "2019-02-22T13:59:45Z")

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Hi, I’ve done the registration of microscopical images with affine transform using conjugate gradient line search. I observe small to a large variation in the results after several complete the same runs. Metric is Matt…

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## [ITK featured on Open Source Directions](https://discourse.itk.org/t/itk-featured-on-open-source-directions/1617)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [February 21, 2019, 10:13pm UTC](https://discourse.itk.org/t/itk-featured-on-open-source-directions/1617 "2019-02-21T22:13:19Z")

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Hi folks, We are honored to have ITK featured on upcoming episode of Open Source Directions tomorrow, February 22nd at 12 PM Eastern. Register for the event here. The episode will also be available on YouTube and the …

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## [Uncompress failed when reading image via sitk.ReadImage](https://discourse.itk.org/t/uncompress-failed-when-reading-image-via-sitk-readimage/1613)

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**Author:** [@sedghi](https://discourse.itk.org/u/sedghi)\
**Replies:** 2\
**Last updated:** [February 20, 2019, 6:39pm UTC](https://discourse.itk.org/t/uncompress-failed-when-reading-image-via-sitk-readimage/1613 "2019-02-20T18:39:57Z")

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I’m trying to read an image that I downloaded from RIRE website with sitk.ReadImage() but I get “Uncompress failed” message and the resulting image intensity values looks wrong. I have also tried loading the image insid…

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## [Unable to commit to forked ITK repo on github](https://discourse.itk.org/t/unable-to-commit-to-forked-itk-repo-on-github/1611)

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**Author:** [@Gordian](https://discourse.itk.org/u/Gordian)\
**Replies:** 3\
**Last updated:** [February 20, 2019, 1:45pm UTC](https://discourse.itk.org/t/unable-to-commit-to-forked-itk-repo-on-github/1611 "2019-02-20T13:45:51Z")

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Hello, i have trouble to commit to my fork of the ITK. I would like to try and share my changes in my local group before making a pull request. I forked the ITK repo and cloned the fork to have a local copy. Afterwards…

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## [itk-vtkglue-0.2 fails with itk \> 5.0b1 on Windows](https://discourse.itk.org/t/itk-vtkglue-0-2-fails-with-itk-5-0b1-on-windows/1605)

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**Author:** [@finetjul](https://discourse.itk.org/u/finetjul)\
**Replies:** 3\
**Last updated:** [February 17, 2019, 1:20pm UTC](https://discourse.itk.org/t/itk-vtkglue-0-2-fails-with-itk-5-0b1-on-windows/1605 "2019-02-17T13:20:11Z")

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On Windows, the following code fails often with itk-vtkglue-0.2 used with itk-5.0b3 or itk-5.0rc1 : import itk itk.ImageToVTKImageFilter.New() … RuntimeError: C:\\P\\IPP\\standalone-build\\ITK-source\\Modules\\Core\\Common\\…

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## [itk pip package fails to install required version](https://discourse.itk.org/t/itk-pip-package-fails-to-install-required-version/1606)

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**Author:** [@finetjul](https://discourse.itk.org/u/finetjul)\
**Replies:** 2\
**Last updated:** [February 17, 2019, 1:17pm UTC](https://discourse.itk.org/t/itk-pip-package-fails-to-install-required-version/1606 "2019-02-17T13:17:24Z")

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Hi, When requiring a specific itk version, (using pip install itk==5.0b1), all the itk sub packages are installed to their latest versions (itk 5.0rc1 as of today). See as follow: pip install itk==5.0b1 Collecti…

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## [Two-factor authentication required for InsightSoftwareConsortium GitHub Org](https://discourse.itk.org/t/two-factor-authentication-required-for-insightsoftwareconsortium-github-org/1581)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 19\
**Last updated:** [February 16, 2019, 11:06pm UTC](https://discourse.itk.org/t/two-factor-authentication-required-for-insightsoftwareconsortium-github-org/1581 "2019-02-16T23:06:04Z")

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Hi folks, The community has been quite active on GitHub, and the project is growing! To improve our level of security, next week (Friday) I will enable the option on the InsightSoftwareConsortium to require two-factor …

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## [GCC 8.2](https://discourse.itk.org/t/gcc-8-2/1601)

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**Author:** [@bill.lorensen](https://discourse.itk.org/u/bill.lorensen)\
**Replies:** 4\
**Last updated:** [February 15, 2019, 12:27am UTC](https://discourse.itk.org/t/gcc-8-2/1601 "2019-02-15T00:27:15Z")

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Since my Ubuntu 14.0 does not provide a fully c++11 compiler, I decided to build my own gcc compiler. To protect me from having to go through his again in the future, I have built gcc 8.2.0. ITK does not build with this…

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## [Demons Displacement Field Backwards?](https://discourse.itk.org/t/demons-displacement-field-backwards/1598)

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**Author:** [@aWilson41](https://discourse.itk.org/u/aWilson41)\
**Replies:** 3\
**Last updated:** [February 14, 2019, 10:28pm UTC](https://discourse.itk.org/t/demons-displacement-field-backwards/1598 "2019-02-14T22:28:10Z")

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When rendering my demons displacement field as polygonal arrows they point backwards. Additionally, if I manually investigate the values of the image, they point backwards. So I’ve been considering if demons even produce…

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## [ITK 5.0 Release Candidate 1: Meshes](https://discourse.itk.org/t/itk-5-0-release-candidate-1-meshes/1576)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 2\
**Last updated:** [February 14, 2019, 1:07pm UTC](https://discourse.itk.org/t/itk-5-0-release-candidate-1-meshes/1576 "2019-02-14T13:07:16Z")

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We are happy to announce the Insight Toolkit (ITK) Release Candidate 1! :tada: As the first release candidate, the major advancements for ITK 5 have matured, and the community is encouraged to adopt the release candidat…

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