# Uncategorized

**URL:** https://discourse.itk.org/c/uncategorized/1.md?no_subcategories=false&page=14

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

**Page:** 15

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## [ITK OutputWindow on windows](https://discourse.itk.org/t/itk-outputwindow-on-windows/1175)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 4\
**Last updated:** [August 3, 2018, 6:16pm UTC](https://discourse.itk.org/t/itk-outputwindow-on-windows/1175 "2018-08-03T18:16:46Z")

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On MS Windows the current default behavior is to log certain things to a “window” as opposed to std::err: I think it makes more since to opt into a GUI. std::err seems to work fine with the modern visual studios too,…

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## [ITK function for spline smoothing (a.k.a csaps in matlab)](https://discourse.itk.org/t/itk-function-for-spline-smoothing-a-k-a-csaps-in-matlab/1035)

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**Author:** [@fmarcano](https://discourse.itk.org/u/fmarcano)\
**Replies:** 1\
**Last updated:** [July 5, 2018, 3:32pm UTC](https://discourse.itk.org/t/itk-function-for-spline-smoothing-a-k-a-csaps-in-matlab/1035 "2018-07-05T15:32:13Z")

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Hi people, I would like to know wether there is a function in ITK library for spline smoothing, working the same way matlab’s “csaps” does, specifically under csaps(x,y,p,\[ \],w) syntax (weighted smoothing, complex numbe…

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## [\[SOLVED\]Voxel to phisycal position in GPU](https://discourse.itk.org/t/solved-voxel-to-phisycal-position-in-gpu/1011)

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**Author:** [@rolof](https://discourse.itk.org/u/rolof)\
**Replies:** 1\
**Last updated:** [June 29, 2018, 11:33am UTC](https://discourse.itk.org/t/solved-voxel-to-phisycal-position-in-gpu/1011 "2018-06-29T11:33:52Z")

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Hi everyone, I know that in CPU I have the containers to 3d images and I have available a container to work with GPU. However, I saw in all examples that GPU container examples only access to pixel value with a casting …

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## [DCMTK Dicom Tags MetaDataDictionary](https://discourse.itk.org/t/dcmtk-dicom-tags-metadatadictionary/1036)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 1\
**Last updated:** [June 26, 2018, 3:30pm UTC](https://discourse.itk.org/t/dcmtk-dicom-tags-metadatadictionary/1036 "2018-06-26T15:30:06Z")

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I am not much of a DICOM person, bit I have heard good things about DCMTK’s DICOM support. I am using DCMTKImageIO on a single file with the ImageFileReader. The MetaDataDictionary on the ImageIO, ImageFileReader, and th…

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## [can't decide between 3D slicer and itk programme](https://discourse.itk.org/t/cant-decide-between-3d-slicer-and-itk-programme/1013)

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**Author:** [@Abdullah-2](https://discourse.itk.org/u/Abdullah-2)\
**Replies:** 1\
**Last updated:** [June 18, 2018, 8:45pm UTC](https://discourse.itk.org/t/cant-decide-between-3d-slicer-and-itk-programme/1013 "2018-06-18T20:45:07Z")

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Hi I have a goal of measuring muscle volume on MRI images, I have spent time on 3d slicer programme, but I would try itk, are they similar which one is the best?

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## [active contours for a specific image](https://discourse.itk.org/t/active-contours-for-a-specific-image/972)

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**Author:** [@SylvainArd](https://discourse.itk.org/u/SylvainArd)\
**Replies:** 1\
**Last updated:** [June 9, 2018, 5:31pm UTC](https://discourse.itk.org/t/active-contours-for-a-specific-image/972 "2018-06-09T17:31:09Z")

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Hello, I have this image in input : http://sylvain-ard.fr/temp/CONTOURS\_LEAFLET1.jpg a leaf so and I want to apply this algorithm : https://itk.org/ITKExamples/src/Segmentation/LevelSets/SegmentWithGeodesicActiveCont…

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## [Multithreading - Backward incompatibilities](https://discourse.itk.org/t/multithreading-backward-incompatibilities/977)

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**Author:** [@simon.rit](https://discourse.itk.org/u/simon.rit)\
**Replies:** 8\
**Last updated:** [June 8, 2018, 1:48pm UTC](https://discourse.itk.org/t/multithreading-backward-incompatibilities/977 "2018-06-08T13:48:36Z")

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Hi, I tried to compile the RTK code with ITK v5.0a02. You have made changes which seem to be backward incompatible, not only at compilation (e.g. these errors), but also at execution (e.g., this test). I assume this is…

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## [Threading refactoring renames](https://discourse.itk.org/t/threading-refactoring-renames/967)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 4\
**Last updated:** [June 7, 2018, 4:49pm UTC](https://discourse.itk.org/t/threading-refactoring-renames/967 "2018-06-07T16:49:58Z")

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In this patch (part of another threading refactoring pass), @blowekamp suggested renaming threads into workers, partly to make a distinction with the old concept of threads, partly to use a standard thread-pool terminolo…

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## [channel IRC on ITK](https://discourse.itk.org/t/channel-irc-on-itk/973)

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**Author:** [@SylvainArd](https://discourse.itk.org/u/SylvainArd)\
**Replies:** 2\
**Last updated:** [June 1, 2018, 2:43pm UTC](https://discourse.itk.org/t/channel-irc-on-itk/973 "2018-06-01T14:43:07Z")

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Hi, Is exists a channel IRC on ITK and if yes which ? Thank you Bye

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## [VXL installation](https://discourse.itk.org/t/vxl-installation/931)

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**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 0\
**Last updated:** [May 14, 2018, 8:31pm UTC](https://discourse.itk.org/t/vxl-installation/931 "2018-05-14T20:31:53Z")

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During building ITK i saw that it does not build vxl. do i have to build vxl separately and which version is latest for vxl? because for me it showing that my vxl version is older.

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## [beginner, registration](https://discourse.itk.org/t/beginner-registration/929)

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**Author:** [@sobhani](https://discourse.itk.org/u/sobhani)\
**Replies:** 0\
**Last updated:** [May 14, 2018, 9:59am UTC](https://discourse.itk.org/t/beginner-registration/929 "2018-05-14T09:59:18Z")

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def align\_images(img\_sta,img\_move): elastixImageFilter = sitk.ElastixImageFilter() elastixImageFilter.SetFixedImage(sitk.GetImageFromArray(img\_sta)) elastixImageFilter.SetMovingImage(sitk.GetImageFromArray(i…

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## [make output deformation smooth](https://discourse.itk.org/t/make-output-deformation-smooth/921)

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**Author:** [@Borda](https://discourse.itk.org/u/Borda)\
**Replies:** 7\
**Last updated:** [May 13, 2018, 12:47pm UTC](https://discourse.itk.org/t/make-output-deformation-smooth/921 "2018-05-13T12:47:18Z")

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## [ITK installation](https://discourse.itk.org/t/itk-installation/922)

<div class="topic-metadata">

**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 5\
**Last updated:** [May 11, 2018, 6:07pm UTC](https://discourse.itk.org/t/itk-installation/922 "2018-05-11T18:07:44Z")

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Hi can I build older version of ITK and VTK with visual studio 2017? Or I need an older version VS? Because when I am trying to build I am getting NO CMAKE\_CXX\_COMPIlER could be found.

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## [Older ITK/VTK version code](https://discourse.itk.org/t/older-itk-vtk-version-code/906)

<div class="topic-metadata">

**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 10\
**Last updated:** [May 10, 2018, 10:06pm UTC](https://discourse.itk.org/t/older-itk-vtk-version-code/906 "2018-05-10T22:06:55Z")

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I have a code which was implemented in older ITK version. Now its not possible to build it with new itk and vtk version. So I was trying to build an older ITK/VTK version with the latest cmake. but i could configure and …

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## [Copy output of nested filter to output of outer filter](https://discourse.itk.org/t/copy-output-of-nested-filter-to-output-of-outer-filter/846)

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**Author:** [@Gordian](https://discourse.itk.org/u/Gordian)\
**Replies:** 4\
**Last updated:** [May 1, 2018, 12:50pm UTC](https://discourse.itk.org/t/copy-output-of-nested-filter-to-output-of-outer-filter/846 "2018-05-01T12:50:38Z")

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Hello, i want to copy the output of a nested filter to outer filter. The outer filter has the OutputImagePointer set (w.r. t. region, size, etc.) and I want to replace the output with the result from the nested filter. …

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## [Disable OutputWindow by exception](https://discourse.itk.org/t/disable-outputwindow-by-exception/842)

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**Author:** [@HsuehWen](https://discourse.itk.org/u/HsuehWen)\
**Replies:** 1\
**Last updated:** [April 17, 2018, 1:27pm UTC](https://discourse.itk.org/t/disable-outputwindow-by-exception/842 "2018-04-17T13:27:12Z")

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Hi all, I’m using ITK for registration. There are cases that two images basically can’t be registered, then ITK will output error message on an output window like \[Exception\] Is there a way to disable this window? I d…

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## [Image Masking](https://discourse.itk.org/t/image-masking/834)

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**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 0\
**Last updated:** [April 12, 2018, 3:54pm UTC](https://discourse.itk.org/t/image-masking/834 "2018-04-12T15:54:34Z")

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I want to mask an image so that i get only the part with pixel value and the background will be cropped. \[axparsvascularisjugularforamen00%2046\] Like in this image, I want a masked image so that it will be something li…

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## [How pixel position changes after sampling ?](https://discourse.itk.org/t/how-pixel-position-changes-after-sampling/829)

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**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 3\
**Last updated:** [April 6, 2018, 10:22pm UTC](https://discourse.itk.org/t/how-pixel-position-changes-after-sampling/829 "2018-04-06T22:22:47Z")

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1m Lets suppose, I have a 2D image of spacing value 1.0 with dimension of 512x546. for this image i have a pixel value of 255 in position (218,141) after doing a sampling on the 2D image with spacing 1.5 , the dimensi…

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## [Resample Image](https://discourse.itk.org/t/resample-image/820)

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**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 2\
**Last updated:** [April 6, 2018, 5:38pm UTC](https://discourse.itk.org/t/resample-image/820 "2018-04-06T17:38:38Z")

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I have a data set of 2d images. I want to resample it with given space value. like spacing with 1.2 or 1.5. Most of the itk resampling examples are based on given image size. Which example works like that?

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## [runtime error itk::ProcessObject::SetInput was part of the deprecated API](https://discourse.itk.org/t/runtime-error-itk-processobject-setinput-was-part-of-the-deprecated-api/792)

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**Author:** [@ibr](https://discourse.itk.org/u/ibr)\
**Replies:** 2\
**Last updated:** [March 30, 2018, 4:26pm UTC](https://discourse.itk.org/t/runtime-error-itk-processobject-setinput-was-part-of-the-deprecated-api/792 "2018-03-30T16:26:43Z")

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Hi I got a runtime error related to this: \`the method itk::ProcessObject::SetInput was part of the deprecated API.\` Where can change to make it works? nothing related is mentioned \[here\] (https://itk.org/Wiki/ITK/Rele…

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## [Updated the wikipedia ITK article](https://discourse.itk.org/t/updated-the-wikipedia-itk-article/777)

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**Author:** [@jhlegarreta](https://discourse.itk.org/u/jhlegarreta)\
**Replies:** 3\
**Last updated:** [March 18, 2018, 6:56pm UTC](https://discourse.itk.org/t/updated-the-wikipedia-itk-article/777 "2018-03-18T18:56:54Z")

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Folks, I landed on the wikipedia ITK article a couple of days ago, and updated it: updated the latest release version, updated the logo, the logo author, added external links, updated the examples to the current C++ sta…

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## [ITK-4.13 tests failing (and I can't report is as bug)](https://discourse.itk.org/t/itk-4-13-tests-failing-and-i-cant-report-is-as-bug/687)

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**Author:** [@gerddie](https://discourse.itk.org/u/gerddie)\
**Replies:** 4\
**Last updated:** [March 18, 2018, 5:42pm UTC](https://discourse.itk.org/t/itk-4-13-tests-failing-and-i-cant-report-is-as-bug/687 "2018-03-18T17:42:48Z")

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Hi, I would report this as bug, but for some reason the issue tracker doesn’t let me log in (even though I can reset the password - filed a support ticked with Atlassian), so I report it here: When I try to build ITK …

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## [C++11 VariableLengthVector with move](https://discourse.itk.org/t/c-11-variablelengthvector-with-move/700)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 2\
**Last updated:** [February 26, 2018, 7:33pm UTC](https://discourse.itk.org/t/c-11-variablelengthvector-with-move/700 "2018-02-26T19:33:05Z")

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I am just tracking down a segmentation fault I am encountering wth the ITKTextureFeature modules instantiated with VectorImages. I am tracking it down to using move operations of the VariableLengthVector: It appears…

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## [ResampleDICOM example and DCMTK no output](https://discourse.itk.org/t/resampledicom-example-and-dcmtk-no-output/654)

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**Author:** [@ibr](https://discourse.itk.org/u/ibr)\
**Replies:** 3\
**Last updated:** [February 8, 2018, 6:26pm UTC](https://discourse.itk.org/t/resampledicom-example-and-dcmtk-no-output/654 "2018-02-08T18:26:27Z")

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Dear all, I have the same problem as in this post: http://itk-users.7.n7.nabble.com/ITK-users-ResampleDICOM-example-and-DCMTK-td34473.html in short, no output. The problem started when I tried to load large micro CT …

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## [Compilation error with ITK\_USE\_GPU ON in ConceptChecking](https://discourse.itk.org/t/compilation-error-with-itk-use-gpu-on-in-conceptchecking/645)

<div class="topic-metadata">

**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\
**Replies:** 2\
**Last updated:** [February 2, 2018, 11:52pm UTC](https://discourse.itk.org/t/compilation-error-with-itk-use-gpu-on-in-conceptchecking/645 "2018-02-02T23:52:54Z")

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Hey there, I am rebuilding ITK from master, and hitting a compilation error related with ConceptChecking. This is my build command, the error is related with the option -DITK\_USE\_GPU:BOOL=ON. cmake -G Ninja -DCMAKE\_CXX…

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## [GIF support](https://discourse.itk.org/t/gif-support/635)

<div class="topic-metadata">

**Author:** [@Fijoy\_Vadakkumpadan](https://discourse.itk.org/u/Fijoy_Vadakkumpadan)\
**Replies:** 1\
**Last updated:** [January 30, 2018, 7:59pm UTC](https://discourse.itk.org/t/gif-support/635 "2018-01-30T19:59:22Z")

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Hello, Does ITK support loading and saving GIF images? If yes, are animated GIFs loaded as 3D images? Thank you, –Fijoy

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## [Extracting mesh from itk::AntiAliasBinaryImageFilter?](https://discourse.itk.org/t/extracting-mesh-from-itk-antialiasbinaryimagefilter/574)

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**Author:** [@DVigneault](https://discourse.itk.org/u/DVigneault)\
**Replies:** 4\
**Last updated:** [January 9, 2018, 12:46am UTC](https://discourse.itk.org/t/extracting-mesh-from-itk-antialiasbinaryimagefilter/574 "2018-01-09T00:46:51Z")

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All– I am currently using marching cubes \[1\] to extract a mesh from a binarized volume. However, the surface area of the resulting mesh somewhat overestimates ground truth estimates due to the pixelation artifacts. I …

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## [Problem reading RGB tiff](https://discourse.itk.org/t/problem-reading-rgb-tiff/514)

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**Author:** [@Gib](https://discourse.itk.org/u/Gib)\
**Replies:** 37\
**Last updated:** [December 18, 2017, 8:05pm UTC](https://discourse.itk.org/t/problem-reading-rgb-tiff/514 "2017-12-18T20:05:52Z")

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(This topic gas been transferred from the mailing list, at Brad’s suggestion) I’ve been encountering strange results when reading a big 2D RGB tiff that was generated by running tiffsplit on a huge 3D LSM file (from a Z…

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## [NIFTI Orientation Issues](https://discourse.itk.org/t/nifti-orientation-issues/431)

<div class="topic-metadata">

**Author:** [@spinicist](https://discourse.itk.org/u/spinicist)\
**Replies:** 13\
**Last updated:** [December 12, 2017, 1:58am UTC](https://discourse.itk.org/t/nifti-orientation-issues/431 "2017-12-12T01:58:58Z")

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Hello, I am having trouble with NIFTI orientations (again). I am using the Bruker reader I contributed to read in a 2dseq file and then save to NIFTI. When I then read that file with FSL or nibabel, the orientation come…

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## [How do we set up rotation center for masked rigid registration?](https://discourse.itk.org/t/how-do-we-set-up-rotation-center-for-masked-rigid-registration/480)

<div class="topic-metadata">

**Author:** [@Ray](https://discourse.itk.org/u/Ray)\
**Replies:** 3\
**Last updated:** [December 5, 2017, 10:55am UTC](https://discourse.itk.org/t/how-do-we-set-up-rotation-center-for-masked-rigid-registration/480 "2017-12-05T10:55:50Z")

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Hello! I’m using VersorRigid3DTransform with a mask on the moving image. I would like to set up the center for the rotation. The CenteredTransformInitializer can call MomentsOn() to automatically get the center of the …

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