# Latest

**URL:** https://discourse.itk.org/latest.md?page=107

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

**Page:** 108

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## [Change ConnectedComponentImageFilter Mask Shape](https://discourse.itk.org/t/change-connectedcomponentimagefilter-mask-shape/498)

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**Author:** [@arwtyxouymz](https://discourse.itk.org/u/arwtyxouymz)\
**Replies:** 10\
**Last updated:** [December 22, 2017, 5:17pm UTC](https://discourse.itk.org/t/change-connectedcomponentimagefilter-mask-shape/498 "2017-12-22T17:17:41Z")

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Hi, I’m a newer of itk. I use ConnectedComponentImageFilter to label my image, Default mask shape is probably 4 neighborhood, but i want to change the shape to 8 or 16 neighborhood. How should i do? Please help me!

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## [Deadlock with fftw, shared libs and Windows](https://discourse.itk.org/t/deadlock-with-fftw-shared-libs-and-windows/494)

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**Author:** [@simon.rit](https://discourse.itk.org/u/simon.rit)\
**Replies:** 19\
**Last updated:** [December 22, 2017, 4:02pm UTC](https://discourse.itk.org/t/deadlock-with-fftw-shared-libs-and-windows/494 "2017-12-22T16:02:49Z")

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Hi, I have a deadlock at the end of my programs when I use FFTW, shared libs and MSVC. You can see it here: http://my.cdash.org/viewTest.php?onlyfailed&buildid=1335053. Note that I don’t have this problem under linux: …

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## [SimpleITK course at SPIE Medical Imaging 2018](https://discourse.itk.org/t/simpleitk-course-at-spie-medical-imaging-2018/544)

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**Author:** [@zivy](https://discourse.itk.org/u/zivy)\
**Replies:** 0\
**Last updated:** [December 21, 2017, 8:24pm UTC](https://discourse.itk.org/t/simpleitk-course-at-spie-medical-imaging-2018/544 "2017-12-21T20:24:42Z")

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Make a new year’s resolution that you actually keep. Forget that gym membership, learn SimpleITK. Join us at the SPIE Medical Imaging Conference in Houston TX, February 11 2018, for a hands on course, SimpleITK Jupyter …

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## [Problem in reading 16 bit image](https://discourse.itk.org/t/problem-in-reading-16-bit-image/536)

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**Author:** [@swetha.bsharma](https://discourse.itk.org/u/swetha.bsharma)\
**Replies:** 5\
**Last updated:** [December 21, 2017, 3:29pm UTC](https://discourse.itk.org/t/problem-in-reading-16-bit-image/536 "2017-12-21T15:29:34Z")

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Hi All, I am trying to read a 16 bit dicom series which has values ranging from 0- 4095. The below code is the one I am using for reading the pixel values. typedef unsigned short PixelType; const int Dim…

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## [ITK 4.13 Release Candidate 2 is ready for testing!](https://discourse.itk.org/t/itk-4-13-release-candidate-2-is-ready-for-testing/507)

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**Author:** [@fbudin](https://discourse.itk.org/u/fbudin)\
**Replies:** 8\
**Last updated:** [December 20, 2017, 4:25pm UTC](https://discourse.itk.org/t/itk-4-13-release-candidate-2-is-ready-for-testing/507 "2017-12-20T16:25:45Z")

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On behalf of the Insight Toolkit community, we are proud to announce that ITK 4.13 release candidate 2 has been tagged and is available for testing! Please take this opportunity to test the new features in the release ca…

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## [gTest compile errors](https://discourse.itk.org/t/gtest-compile-errors/499)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 12\
**Last updated:** [December 20, 2017, 1:19pm UTC](https://discourse.itk.org/t/gtest-compile-errors/499 "2017-12-20T13:19:56Z")

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With the most recent Visual Studio 2017 updates (version 15.5.1, and maybe one or two back), gtest and gtest\_main fail to compile (error and warning messages bellow). @blowekamp Does ITK’s copy of GoogleTest need to be u…

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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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## [Python wheels supported image types](https://discourse.itk.org/t/python-wheels-supported-image-types/253)

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**Author:** [@mafuentes](https://discourse.itk.org/u/mafuentes)\
**Replies:** 10\
**Last updated:** [December 18, 2017, 7:40pm UTC](https://discourse.itk.org/t/python-wheels-supported-image-types/253 "2017-12-18T19:40:45Z")

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I am testing the ITK python package from PyPi (thanks for that :+1::+1:) and I’m trying to read a 2D 16-bit image with the itk.imread function. There is no Unsigned Short (US) type available for that… any alternatives?

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## [MetaIO precision](https://discourse.itk.org/t/metaio-precision/539)

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**Author:** [@lassoan](https://discourse.itk.org/u/lassoan)\
**Replies:** 8\
**Last updated:** [December 18, 2017, 6:15pm UTC](https://discourse.itk.org/t/metaio-precision/539 "2017-12-18T18:15:32Z")

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## [Multi Object Segmentation by Level Set Method](https://discourse.itk.org/t/multi-object-segmentation-by-level-set-method/534)

<div class="topic-metadata">

**Author:** [@arwtyxouymz](https://discourse.itk.org/u/arwtyxouymz)\
**Replies:** 1\
**Last updated:** [December 18, 2017, 2:00pm UTC](https://discourse.itk.org/t/multi-object-segmentation-by-level-set-method/534 "2017-12-18T14:00:14Z")

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Hi, Although I wonder if I should ask here, I have a question about level set method. Is it possible to detect multi object contour by using level set method? Or, supposing there are 3 object, is the contour detectio…

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## [BSpline on multi-level registration](https://discourse.itk.org/t/bspline-on-multi-level-registration/512)

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**Author:** [@Ray](https://discourse.itk.org/u/Ray)\
**Replies:** 3\
**Last updated:** [December 18, 2017, 1:18pm UTC](https://discourse.itk.org/t/bspline-on-multi-level-registration/512 "2017-12-18T13:18:59Z")

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Hello! I’m trying to understand multi-level BSpline registration in ITK. I’m using itk::BSplineTransform as my transformation model. I set the mesh size to be 8x8x8. If I run a 2-level registration with shrinking factor…

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## [Smoothing Surface](https://discourse.itk.org/t/smoothing-surface/506)

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**Author:** [@Henan](https://discourse.itk.org/u/Henan)\
**Replies:** 1\
**Last updated:** [December 13, 2017, 8:46pm UTC](https://discourse.itk.org/t/smoothing-surface/506 "2017-12-13T20:46:46Z")

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Hi, I met a problem when using itkSmoothingQuadEdgeMeshFilter. I want to use this filter to smooth a mesh, and I want to have a new mesh which is outside the original one. However, the new mesh I got is inside the ori…

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## [Cleaning up the dashboard](https://discourse.itk.org/t/cleaning-up-the-dashboard/504)

<div class="topic-metadata">

**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 5\
**Last updated:** [December 13, 2017, 6:10pm UTC](https://discourse.itk.org/t/cleaning-up-the-dashboard/504 "2017-12-13T18:10:45Z")

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I reported the dynamic analysis reporting failure on CDash’s GitHub here. We can use this topic for other dashboard-related discussion.

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## [How to catch warnings during registration with simpleITK (python)](https://discourse.itk.org/t/how-to-catch-warnings-during-registration-with-simpleitk-python/501)

<div class="topic-metadata">

**Author:** [@madanh](https://discourse.itk.org/u/madanh)\
**Replies:** 5\
**Last updated:** [December 13, 2017, 10:03am UTC](https://discourse.itk.org/t/how-to-catch-warnings-during-registration-with-simpleitk-python/501 "2017-12-13T10:03:22Z")

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I’m performing image registration with simpleITK (python) using ImageRegistrationMethod.Execute() approach. The purpose is to collect some statistics of the image registration process (e.g. find out when it succeeds an…

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## [Radius of Neighborhood Correlation](https://discourse.itk.org/t/radius-of-neighborhood-correlation/503)

<div class="topic-metadata">

**Author:** [@Ray](https://discourse.itk.org/u/Ray)\
**Replies:** 3\
**Last updated:** [December 12, 2017, 6:01pm UTC](https://discourse.itk.org/t/radius-of-neighborhood-correlation/503 "2017-12-12T18:01:43Z")

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For the metric “ANTSNeighborhoodCorrelationImageToImageMetricv4”, we can set up the radius of the neighborhood by SetRadius(). I wonder if the radius is defined on physical space or image space? i.e. the unit is mm or vo…

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

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**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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## [Inverse of BSpline transform](https://discourse.itk.org/t/inverse-of-bspline-transform/496)

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**Author:** [@Ray](https://discourse.itk.org/u/Ray)\
**Replies:** 1\
**Last updated:** [December 11, 2017, 3:52pm UTC](https://discourse.itk.org/t/inverse-of-bspline-transform/496 "2017-12-11T15:52:16Z")

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I’m using the following code to generate an inverse transform of a BSpline transform. However, no matter what my “outputTransform” is, the “inverseOutputTransform” is all zeros. Is there anything wrong of using GetInvers…

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## [Why is numberOfGridNodesInOneDimension not equal to meshsize in BSpline transformation?](https://discourse.itk.org/t/why-is-numberofgridnodesinonedimension-not-equal-to-meshsize-in-bspline-transformation/495)

<div class="topic-metadata">

**Author:** [@Ray](https://discourse.itk.org/u/Ray)\
**Replies:** 1\
**Last updated:** [December 10, 2017, 5:53am UTC](https://discourse.itk.org/t/why-is-numberofgridnodesinonedimension-not-equal-to-meshsize-in-bspline-transformation/495 "2017-12-10T05:53:04Z")

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Why is numberOfGridNodesInOneDimension not equal to meshsize in BSpline transformation? The example code shows numberOfGridNodesInOneDimension = SplineOrder + meshSize (of one dimension). Why do we have this? unsigned i…

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## [Segmentation fault displaying float image](https://discourse.itk.org/t/segmentation-fault-displaying-float-image/486)

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**Author:** [@bonisthegreat](https://discourse.itk.org/u/bonisthegreat)\
**Replies:** 11\
**Last updated:** [December 9, 2017, 3:37pm UTC](https://discourse.itk.org/t/segmentation-fault-displaying-float-image/486 "2017-12-09T15:37:31Z")

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Hello there! I get a segmentation fault when trying to display or apply any filter to an ikt::Image with float pixel types. I can use this same code (swapping the pixel types) to open an image with unsigned char pixel ty…

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## [proper dir. structure for ITK installation on VS](https://discourse.itk.org/t/proper-dir-structure-for-itk-installation-on-vs/491)

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**Author:** [@siddys](https://discourse.itk.org/u/siddys)\
**Replies:** 5\
**Last updated:** [December 9, 2017, 1:05am UTC](https://discourse.itk.org/t/proper-dir-structure-for-itk-installation-on-vs/491 "2017-12-09T01:05:02Z")

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Hi everyone, I am posting as a newbie since I am using ITK on a windows environment for the first time, and due to restrictions on binary installation in my workplace, I am trying to install ITK by compiling from sourc…

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## [warning: dynamic exception specifications are deprecated in C++11](https://discourse.itk.org/t/warning-dynamic-exception-specifications-are-deprecated-in-c-11/470)

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**Author:** [@simon.rit](https://discourse.itk.org/u/simon.rit)\
**Replies:** 41\
**Last updated:** [December 8, 2017, 10:25am UTC](https://discourse.itk.org/t/warning-dynamic-exception-specifications-are-deprecated-in-c-11/470 "2017-12-08T10:25:00Z")

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Hi, I get this warning with gcc 7.2.1, see http://my.cdash.org/viewBuildError.php?type=1&buildid=1330451 I don’t understand the code generating it so I don’t know how to fix it. Any suggestion? Simon

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## [Segmentation Fault style error during Casting](https://discourse.itk.org/t/segmentation-fault-style-error-during-casting/485)

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**Author:** [@WillScottJackson](https://discourse.itk.org/u/WillScottJackson)\
**Replies:** 11\
**Last updated:** [December 6, 2017, 4:05pm UTC](https://discourse.itk.org/t/segmentation-fault-style-error-during-casting/485 "2017-12-06T16:05:58Z")

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Hi there I’m debugging some code to perform a process on 3D MRI data and I’m getting hung up on a crash I keep encountering when my application is performing a type cast from an unsigned short image to a float. The rel…

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## [ITK 4.13 Release Candidate 1 is ready for testing!](https://discourse.itk.org/t/itk-4-13-release-candidate-1-is-ready-for-testing/482)

<div class="topic-metadata">

**Author:** [@fbudin](https://discourse.itk.org/u/fbudin)\
**Replies:** 2\
**Last updated:** [December 5, 2017, 11:10pm UTC](https://discourse.itk.org/t/itk-4-13-release-candidate-1-is-ready-for-testing/482 "2017-12-05T23:10:47Z")

</div>

On behalf of the Insight Toolkit community, we are proud to announce that ITK 4.13 release candidate 1 has been tagged and is available for testing! Please take this opportunity to test the new features in the release ca…

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## [SimpleITK Jupyter Notebooks](https://discourse.itk.org/t/simpleitk-jupyter-notebooks/487)

<div class="topic-metadata">

**Author:** [@zivy](https://discourse.itk.org/u/zivy)\
**Replies:** 0\
**Last updated:** [December 5, 2017, 6:46pm UTC](https://discourse.itk.org/t/simpleitk-jupyter-notebooks/487 "2017-12-05T18:46:07Z")

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Are you a researcher looking for a programming environment where you can quickly evaluate various segmentation and registration approaches while collaborating with colleagues at other institutions? Are you an educator t…

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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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## [Updated ITK Logo](https://discourse.itk.org/t/updated-itk-logo/269)

<div class="topic-metadata">

**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 37\
**Last updated:** [December 4, 2017, 3:45pm UTC](https://discourse.itk.org/t/updated-itk-logo/269 "2017-12-04T15:45:45Z")

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Hi folks, Steve Jordan, a professional graphics designer, has put effort into generating an updated ITK logo. Feedback is welcome! \[ITK\_Logo\]

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## [AffineTransform Rotate3D in Y-Axis](https://discourse.itk.org/t/affinetransform-rotate3d-in-y-axis/476)

<div class="topic-metadata">

**Author:** [@Equis](https://discourse.itk.org/u/Equis)\
**Replies:** 5\
**Last updated:** [December 4, 2017, 2:36pm UTC](https://discourse.itk.org/t/affinetransform-rotate3d-in-y-axis/476 "2017-12-04T14:36:42Z")

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Hi: I don’t know if I am so stupid or what, but anybodu knows how to rotate a 3D DICOM 180º in the y-axis? I used AffineTransform with Rotate3D and ResampleImageFilter. I even was able to rotate 180º in the z-axis but I…

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## [SetupForDevelopment.sh: ambiguous argument 'FETCH\_HEAD': both revision and filename](https://discourse.itk.org/t/setupfordevelopment-sh-ambiguous-argument-fetch-head-both-revision-and-filename/479)

<div class="topic-metadata">

**Author:** [@seanm](https://discourse.itk.org/u/seanm)\
**Replies:** 1\
**Last updated:** [December 2, 2017, 2:50pm UTC](https://discourse.itk.org/t/setupfordevelopment-sh-ambiguous-argument-fetch-head-both-revision-and-filename/479 "2017-12-02T14:50:02Z")

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I’ve just tried to run ./Utilities/SetupForDevelopment.sh, and it errors out with the following: Setting up git hooks... Initialized empty Git repository in /Users/sean/external/ITK/.git/.git/ Pulling the hooks... remot…

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## [ITKVTKGlue Module in Python Wheel](https://discourse.itk.org/t/itkvtkglue-module-in-python-wheel/393)

<div class="topic-metadata">

**Author:** [@Besler](https://discourse.itk.org/u/Besler)\
**Replies:** 12\
**Last updated:** [December 2, 2017, 5:49am UTC](https://discourse.itk.org/t/itkvtkglue-module-in-python-wheel/393 "2017-12-02T05:49:58Z")

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I am trying to use ITK and VTK together in python. I installed everything through pip. Quickly trying I get the following error: $ conda create -n proc python=3 $ source activate proc $ pip install itk $ conda install …

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## [MultiThreader refactoring to allow TBB backend](https://discourse.itk.org/t/multithreader-refactoring-to-allow-tbb-backend/478)

<div class="topic-metadata">

**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 1\
**Last updated:** [December 1, 2017, 7:23pm UTC](https://discourse.itk.org/t/multithreader-refactoring-to-allow-tbb-backend/478 "2017-12-01T19:23:58Z")

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Hi folks, Next week Friday, December 8th, 2017 11 AM EST Video conference: https://meet.google.com/nue-tugx-pxt we will be discussing a first pass at refactoring the itk::MultiThreader to allow a TBB backend, and we…

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