# Latest

**URL:** https://discourse.itk.org/latest.md?page=95

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

**Page:** 96

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## [get info such as patient orientation, timing from images](https://discourse.itk.org/t/get-info-such-as-patient-orientation-timing-from-images/1354)

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**Author:** [@KrisThielemans](https://discourse.itk.org/u/KrisThielemans)\
**Replies:** 1\
**Last updated:** [October 15, 2018, 1:09pm UTC](https://discourse.itk.org/t/get-info-such-as-patient-orientation-timing-from-images/1354 "2018-10-15T13:09:38Z")

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Hi all Is there a way to get patient orientation (i.e., HFS etc) and things like the equivalent of DICOM’s Actual Frame Duration etc from ITK image objects? I suspect this sits in the MetaData, but that’d imply I’d hav…

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## [Expected nightly exotic having too old CMake](https://discourse.itk.org/t/expected-nightly-exotic-having-too-old-cmake/1308)

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**Author:** [@jhlegarreta](https://discourse.itk.org/u/jhlegarreta)\
**Replies:** 4\
**Last updated:** [October 11, 2018, 9:29pm UTC](https://discourse.itk.org/t/expected-nightly-exotic-having-too-old-cmake/1308 "2018-10-11T21:29:41Z")

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Folks, the dashmacmini5.kitware expected nightly exotic sites MacOSX10.7-clang build has an old CMake verison (3.2.1) that is preventing it from building. Anyone out there knowing claiming the machine/being able to upd…

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## [advice on what to do with ongoing pull request](https://discourse.itk.org/t/advice-on-what-to-do-with-ongoing-pull-request/1341)

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**Author:** [@asertyuio](https://discourse.itk.org/u/asertyuio)\
**Replies:** 11\
**Last updated:** [October 11, 2018, 4:50pm UTC](https://discourse.itk.org/t/advice-on-what-to-do-with-ongoing-pull-request/1341 "2018-10-11T16:50:47Z")

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Dear All, I have a couple of commits, for which the code is more or less written, it is about bugfix in image io palette handling, and adding pallette write capabilities for tiff and png. The thing is I have no idea whe…

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## [Image registration metric derivative](https://discourse.itk.org/t/image-registration-metric-derivative/1200)

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**Author:** [@ibr](https://discourse.itk.org/u/ibr)\
**Replies:** 7\
**Last updated:** [October 11, 2018, 2:49pm UTC](https://discourse.itk.org/t/image-registration-metric-derivative/1200 "2018-10-11T14:49:38Z")

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I am using image registration for some time now but I am still trying to understand things in more deep. It seems tracing ITK code is not that easy. What is the math behind the metric derivative and where can I find the…

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## [Test name length](https://discourse.itk.org/t/test-name-length/1326)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 9\
**Last updated:** [October 11, 2018, 12:59pm UTC](https://discourse.itk.org/t/test-name-length/1326 "2018-10-11T12:59:45Z")

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Recently, length of test names have been getting out of hand. This is quite inconvenient for for viewing in the console, as all the lines are aligned based on the longest one. In practice this causes output line wrapping…

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## [gerrit or pull request ?](https://discourse.itk.org/t/gerrit-or-pull-request/1342)

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**Author:** [@asertyuio](https://discourse.itk.org/u/asertyuio)\
**Replies:** 3\
**Last updated:** [October 10, 2018, 1:32pm UTC](https://discourse.itk.org/t/gerrit-or-pull-request/1342 "2018-10-10T13:32:52Z")

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It is unclear to me whether It is advised to push modification to gerrit or through pull request at this time of migration to github. Thanks in advance !

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## [Run length matrix using mask](https://discourse.itk.org/t/run-length-matrix-using-mask/1340)

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**Author:** [@pfreire](https://discourse.itk.org/u/pfreire)\
**Replies:** 7\
**Last updated:** [October 9, 2018, 4:59pm UTC](https://discourse.itk.org/t/run-length-matrix-using-mask/1340 "2018-10-09T16:59:06Z")

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Hello, everyone. I’m using the itkScalarImageToRunLengthMatrixFilter to extract texture features from brain images. I know that this particular class has the method SetMaskImage that can be used to constrain the region …

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## [Difference between Rigid3DTransform Euler3DTransform](https://discourse.itk.org/t/difference-between-rigid3dtransform-euler3dtransform/1339)

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**Author:** [@ibr](https://discourse.itk.org/u/ibr)\
**Replies:** 4\
**Last updated:** [October 9, 2018, 7:26am UTC](https://discourse.itk.org/t/difference-between-rigid3dtransform-euler3dtransform/1339 "2018-10-09T07:26:41Z")

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Rigid3DTransform and Euler3DTransform It is not clear, I appreciate if someone explains the difference. Another question can someone check my computation bellow is correct: import numpy as np import sys, math print("…

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## [Python Environment](https://discourse.itk.org/t/python-environment/1336)

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**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 6\
**Last updated:** [October 8, 2018, 6:53pm UTC](https://discourse.itk.org/t/python-environment/1336 "2018-10-08T18:53:10Z")

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I am having trouble getting my Python environment set up and I know that I have screwed something up. I am building from sources and install to the system site-packages directory. The install stores many ITK related .p…

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## [DVFs interpolation by BSpline](https://discourse.itk.org/t/dvfs-interpolation-by-bspline/1325)

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**Author:** [@kjwjj627](https://discourse.itk.org/u/kjwjj627)\
**Replies:** 7\
**Last updated:** [October 8, 2018, 3:59pm UTC](https://discourse.itk.org/t/dvfs-interpolation-by-bspline/1325 "2018-10-08T15:59:31Z")

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Hi, ITK users I really really need your help, please help me… I am trying to do BSpline interpolation of DVFs obtained by image registrations of 10 images. I’m trying to modify the BSplineScatteredDataPointSetToImage…

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## [New metric for registration](https://discourse.itk.org/t/new-metric-for-registration/1338)

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**Author:** [@sz20b5](https://discourse.itk.org/u/sz20b5)\
**Replies:** 1\
**Last updated:** [October 8, 2018, 1:59pm UTC](https://discourse.itk.org/t/new-metric-for-registration/1338 "2018-10-08T13:59:01Z")

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Hello, my question is that how can I use/implement a new metric for registration in ITK if that metric is currently not available? thanks, Jim

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## [Simple image registration](https://discourse.itk.org/t/simple-image-registration/615)

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**Author:** [@ankita](https://discourse.itk.org/u/ankita)\
**Replies:** 37\
**Last updated:** [October 8, 2018, 1:52pm UTC](https://discourse.itk.org/t/simple-image-registration/615 "2018-10-08T13:52:12Z")

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Sir, I have 2 images of crop field taken in one year gap interval. I want to detect how much change has occurred in the crop height wise and width wise automatically through ITK. Firstly, I want to do registration of th…

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## [Problem loading dynamic library linked to ITK from a program also linked to ITK](https://discourse.itk.org/t/problem-loading-dynamic-library-linked-to-itk-from-a-program-also-linked-to-itk/1319)

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**Author:** [@Baptiste](https://discourse.itk.org/u/Baptiste)\
**Replies:** 2\
**Last updated:** [October 8, 2018, 9:02am UTC](https://discourse.itk.org/t/problem-loading-dynamic-library-linked-to-itk-from-a-program-also-linked-to-itk/1319 "2018-10-08T09:02:32Z")

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Hello all, I am trying to load at runtime a dynamic library using ITK (let’s call it lib.so), within a program also linked to ITK. To do this, I am using : void\* handle = dlopen("lib.so", RTLD\_LOCAL | RTLD\_LAZY) but…

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## [A shape class for ShapedImageNeighborhoodRange and ShapedNeighborhoodIterator](https://discourse.itk.org/t/a-shape-class-for-shapedimageneighborhoodrange-and-shapedneighborhooditerator/924)

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**Author:** [@Niels\_Dekker](https://discourse.itk.org/u/Niels_Dekker)\
**Replies:** 22\
**Last updated:** [October 7, 2018, 6:48pm UTC](https://discourse.itk.org/t/a-shape-class-for-shapedimageneighborhoodrange-and-shapedneighborhooditerator/924 "2018-10-07T18:48:28Z")

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Hereby I would like to share my ideas behind the proposed patch ENH: Added class to create offsets for a hyperrectangular neighborhood shape Both the new ShapedImageNeighborhoodRange (from namespace itk::Experimental) a…

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## [Python Wrapping build error](https://discourse.itk.org/t/python-wrapping-build-error/1335)

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**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 4\
**Last updated:** [October 6, 2018, 9:39pm UTC](https://discourse.itk.org/t/python-wrapping-build-error/1335 "2018-10-06T21:39:16Z")

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I can build ITK from development sources fine, but when I turn on Python wrapping I get a few errors of the sort: \[ 29%\] Generating …/…/itkLevelSetNode.xml In file included from /home/melrobin/packages/ITK/build/Wrappi…

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## [NSIS\_EXECUTABLE-NOT FOUND](https://discourse.itk.org/t/nsis-executable-not-found/1021)

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**Author:** [@h\_moradmand](https://discourse.itk.org/u/h_moradmand)\
**Replies:** 9\
**Last updated:** [October 6, 2018, 2:33pm UTC](https://discourse.itk.org/t/nsis-executable-not-found/1021 "2018-10-06T14:33:05Z")

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Hi, I am a beginner to ITK, now I am installing ITK(4.13) in Windows 10 and also 7. I did exactly the same as mentioned in the ITK manual instruction. The configuration was done and ITK was generated. But I faced som…

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## [Multi-threader refactoring](https://discourse.itk.org/t/multi-threader-refactoring/840)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 33\
**Last updated:** [October 5, 2018, 11:11am UTC](https://discourse.itk.org/t/multi-threader-refactoring/840 "2018-10-05T11:11:22Z")

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Threading infrastructure refactoring is entering final stages. Feedback is welcome in this patch and the few patches before which are part of the same branch. Some outstanding TODOs: remove threadId parameter for Para…

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## [Using LabelMap in Python](https://discourse.itk.org/t/using-labelmap-in-python/1330)

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**Author:** [@vincitygialam](https://discourse.itk.org/u/vincitygialam)\
**Replies:** 0\
**Last updated:** [October 4, 2018, 1:03pm UTC](https://discourse.itk.org/t/using-labelmap-in-python/1330 "2018-10-04T13:03:43Z")

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This post show how to find types that are available in Python for a specific ITK filter and in the case of itk.LabelMap, who to instantiate an object of the desired type. The Python wrapping does not provide the impleme…

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## [Need to specify parameters of affine transform as part of registration process?](https://discourse.itk.org/t/need-to-specify-parameters-of-affine-transform-as-part-of-registration-process/1322)

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**Author:** [@mliljeroth](https://discourse.itk.org/u/mliljeroth)\
**Replies:** 0\
**Last updated:** [October 3, 2018, 6:09am UTC](https://discourse.itk.org/t/need-to-specify-parameters-of-affine-transform-as-part-of-registration-process/1322 "2018-10-03T06:09:26Z")

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Hi. This is a question without any code. Looking at the documentation it seems like you would have to specify the translation, rotation and shearing you would like to do for a composite affine transformation as part of …

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## [Correct usage of EXPORT macros](https://discourse.itk.org/t/correct-usage-of-export-macros/1304)

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**Author:** [@vpoughon](https://discourse.itk.org/u/vpoughon)\
**Replies:** 4\
**Last updated:** [October 2, 2018, 8:09pm UTC](https://discourse.itk.org/t/correct-usage-of-export-macros/1304 "2018-10-02T20:09:28Z")

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In OTB we are looking at several things related to class EXPORT macros, inclusing removing ITK\_EXPORT, building with extern templates and using C++14’s \[\[deprecated\]\] attributes for classes, etc. As you may know we are a…

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## [Opinions on dropping support for C++03](https://discourse.itk.org/t/opinions-on-dropping-support-for-c-03/481)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 31\
**Last updated:** [October 2, 2018, 6:50pm UTC](https://discourse.itk.org/t/opinions-on-dropping-support-for-c-03/481 "2018-10-02T18:50:39Z")

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All of us would like to be able to use modern C++ when writing ITK. But some use cases prevent us from dropping support for pre-C++11 compilers. One of the use cases is python 2 Windows binaries, which need to be compil…

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## [License files missing in remotes](https://discourse.itk.org/t/license-files-missing-in-remotes/1317)

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**Author:** [@jhlegarreta](https://discourse.itk.org/u/jhlegarreta)\
**Replies:** 3\
**Last updated:** [October 2, 2018, 5:16pm UTC](https://discourse.itk.org/t/license-files-missing-in-remotes/1317 "2018-10-02T17:16:06Z")

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Hi, there are a number of remote modules whose LICENSE file is missing: LesionSizingToolkit ITKParabolicMorphology ITKPerformanceBenchmarking ITKPrincipalComponentsAnalysis ITKSplitComponents ITKTBBImageToImageFilter L…

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## [A free biomedical image analysis and visualization 2-day course](https://discourse.itk.org/t/a-free-biomedical-image-analysis-and-visualization-2-day-course/837)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 8\
**Last updated:** [October 1, 2018, 2:49pm UTC](https://discourse.itk.org/t/a-free-biomedical-image-analysis-and-visualization-2-day-course/837 "2018-10-01T14:49:59Z")

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Kitware has organized a free 2-day biomedical image visualization and analysis training course next month (May, 30-31) at our Carrboro, NC branch office. The course is designed for clinical researchers, computer scientis…

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## [VNL is not C++17 compatible](https://discourse.itk.org/t/vnl-is-not-c-17-compatible/1296)

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**Author:** [@spinicist](https://discourse.itk.org/u/spinicist)\
**Replies:** 11\
**Last updated:** [October 1, 2018, 1:33pm UTC](https://discourse.itk.org/t/vnl-is-not-c-17-compatible/1296 "2018-10-01T13:33:21Z")

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Hello, I’ve just tried building ITK master with C++17 enabled with Apple’s latest compiler Apple LLVM version 10.0.0 (clang-1000.11.45.2) and I get the following error: In file included from ../Modules/ThirdParty/VNL/s…

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## [vnl\_matrix\_fixed build errors](https://discourse.itk.org/t/vnl-matrix-fixed-build-errors/1245)

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**Author:** [@Niels\_Dekker](https://discourse.itk.org/u/Niels_Dekker)\
**Replies:** 13\
**Last updated:** [September 28, 2018, 6:05pm UTC](https://discourse.itk.org/t/vnl-matrix-fixed-build-errors/1245 "2018-09-28T18:05:15Z")

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My colleague @denis.p.shamonin and I observed link errors on an application linking to ITK, latest commit from the master branch: Merge topic 'ComputeJacobianPositionAsFixedType' · Kitware/ITK@8e82137 · GitHub Visual C+…

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## [The segmentation index in ITK](https://discourse.itk.org/t/the-segmentation-index-in-itk/1306)

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**Author:** [@hothao](https://discourse.itk.org/u/hothao)\
**Replies:** 2\
**Last updated:** [September 27, 2018, 11:53am UTC](https://discourse.itk.org/t/the-segmentation-index-in-itk/1306 "2018-09-27T11:53:06Z")

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Hello all, I’m a beginner with ITK. and I am researching on segmentation. I tested the ITK’s examples on MRI images and had a few questions: How to know the seed index of different materials (white matter, gray matter…

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## [A few standard macros](https://discourse.itk.org/t/a-few-standard-macros/1299)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 6\
**Last updated:** [September 26, 2018, 3:25pm UTC](https://discourse.itk.org/t/a-few-standard-macros/1299 "2018-09-26T15:25:17Z")

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I propose we introduce a few standard macros to be used in most image filters. These macros would define some relatively standard types commonly used in filters, such as ImageType, PixelType, ImageDimension, Pointer, Con…

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## [ImageSeriesReader type pointer crashes in debug mode](https://discourse.itk.org/t/imageseriesreader-type-pointer-crashes-in-debug-mode/1303)

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**Author:** [@ritesh.mahajan](https://discourse.itk.org/u/ritesh.mahajan)\
**Replies:** 6\
**Last updated:** [September 26, 2018, 1:53pm UTC](https://discourse.itk.org/t/imageseriesreader-type-pointer-crashes-in-debug-mode/1303 "2018-09-26T13:53:48Z")

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hen i am creating a smart pointer globally and allocating the memory to it. In debug mode “it crashes”. While when the same code is run in release mode it seems to work fine. Can some one help me out, why is it so ? P…

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## [OtsuMultipleThresholdsImageFilter creates asymmetric classes for a symmetric distribution](https://discourse.itk.org/t/otsumultiplethresholdsimagefilter-creates-asymmetric-classes-for-a-symmetric-distribution/354)

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**Author:** [@hellman](https://discourse.itk.org/u/hellman)\
**Replies:** 18\
**Last updated:** [September 25, 2018, 9:46pm UTC](https://discourse.itk.org/t/otsumultiplethresholdsimagefilter-creates-asymmetric-classes-for-a-symmetric-distribution/354 "2018-09-25T21:46:55Z")

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Hi, (This thread was started already in the old list at: http://itk-users.7.n7.nabble.com/ITK-users-OtsuMultipleThresholdsImageFilter-creates-asymmetric-classes-for-symmetric-a-distribution-td38761.html) I have investi…

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## [MacOS 10.14 SDK](https://discourse.itk.org/t/macos-10-14-sdk/1295)

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**Author:** [@spinicist](https://discourse.itk.org/u/spinicist)\
**Replies:** 4\
**Last updated:** [September 20, 2018, 7:35pm UTC](https://discourse.itk.org/t/macos-10-14-sdk/1295 "2018-09-20T19:35:31Z")

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Hi, Sorry, this isn’t specifically an ITK issue (I think), but I’m struggling to think where else to ask for help. I compile my tools that use ITK on a Mac. Last night, my Mac appears to have downloaded an XCode update…

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