# Latest

**URL:** https://discourse.itk.org/latest.md?page=84

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

**Page:** 85

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## [Is there a way to combine two registered images together preserving all the information from non-overlapping parts of both images?](https://discourse.itk.org/t/is-there-a-way-to-combine-two-registered-images-together-preserving-all-the-information-from-non-overlapping-parts-of-both-images/2081)

<div class="topic-metadata">

**Author:** [@ptolmachev](https://discourse.itk.org/u/ptolmachev)\
**Replies:** 2\
**Last updated:** [July 23, 2019, 6:12am UTC](https://discourse.itk.org/t/is-there-a-way-to-combine-two-registered-images-together-preserving-all-the-information-from-non-overlapping-parts-of-both-images/2081 "2019-07-23T06:12:29Z")

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Hi folks, Suppose, I ve got two 3d images, and after running the registration on them I am able to recover 3d transform which includes shift and rotation. Combining these two images together will give me a union of two …

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## [build error with ITK5 SpatialObjects scene](https://discourse.itk.org/t/build-error-with-itk5-spatialobjects-scene/2062)

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**Author:** [@pieper](https://discourse.itk.org/u/pieper)\
**Replies:** 7\
**Last updated:** [July 22, 2019, 6:27pm UTC](https://discourse.itk.org/t/build-error-with-itk5-spatialobjects-scene/2062 "2019-07-22T18:27:03Z")

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Hi - I tried building Slicer against ITK’s v5.0.0 tag and got the errors below. The normal slicer builds use an 5.0-rc1 so something must have snuck in at the end. Can anyone suggest a fix or point me to a porting doc…

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## [List of supported Visual Studio versions](https://discourse.itk.org/t/list-of-supported-visual-studio-versions/2059)

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**Author:** [@lassoan](https://discourse.itk.org/u/lassoan)\
**Replies:** 9\
**Last updated:** [July 22, 2019, 3:58pm UTC](https://discourse.itk.org/t/list-of-supported-visual-studio-versions/2059 "2019-07-22T15:58:54Z")

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Somebody asked me about where to find list of Visual Studio versions that ITK is supposed to work with. Very suprisingly, I could not find an up-to-date list. These are the closest that I’ve found (by searching for itk …

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## [sitk.GetImageFromArray Unsupported number of dimesions specified by size:](https://discourse.itk.org/t/sitk-getimagefromarray-unsupported-number-of-dimesions-specified-by-size/2077)

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**Author:** [@bionick87](https://discourse.itk.org/u/bionick87)\
**Replies:** 0\
**Last updated:** [July 22, 2019, 1:22pm UTC](https://discourse.itk.org/t/sitk-getimagefromarray-unsupported-number-of-dimesions-specified-by-size/2077 "2019-07-22T13:22:12Z")

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when I try to open any file type .nii or nii.gz I get the same error: in GetImageFromArray(arr, isVector) 3442 3443 # SimpleITK throws an exception if the image dimension is not supported -\> 3444 img = Image( sha…

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## [A question at helloworld](https://discourse.itk.org/t/a-question-at-helloworld/2034)

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**Author:** [@yihongmike](https://discourse.itk.org/u/yihongmike)\
**Replies:** 3\
**Last updated:** [July 21, 2019, 4:15pm UTC](https://discourse.itk.org/t/a-question-at-helloworld/2034 "2019-07-21T16:15:21Z")

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I’m so sorry. It seemed that I have a question when i do it at vs2019. Could someone help me? Thanks!

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## [make a set of 3D images into a 4D image](https://discourse.itk.org/t/make-a-set-of-3d-images-into-a-4d-image/2065)

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**Author:** [@jrojasUNC](https://discourse.itk.org/u/jrojasUNC)\
**Replies:** 3\
**Last updated:** [July 19, 2019, 9:55pm UTC](https://discourse.itk.org/t/make-a-set-of-3d-images-into-a-4d-image/2065 "2019-07-19T21:55:44Z")

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Hi I am trying to stitch together a series of 100 3D (512, 128, 200) images into a single 4D (512, 128, 200, 100) image using simpleITK. I have tried using the TileImageFilter but I only get an image that is 512, 128, 20…

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## [Is there a decent way to quantify the "goodness" of a CT to CT scan registration?](https://discourse.itk.org/t/is-there-a-decent-way-to-quantify-the-goodness-of-a-ct-to-ct-scan-registration/2066)

<div class="topic-metadata">

**Author:** [@dlrdave](https://discourse.itk.org/u/dlrdave)\
**Replies:** 1\
**Last updated:** [July 19, 2019, 9:18pm UTC](https://discourse.itk.org/t/is-there-a-decent-way-to-quantify-the-goodness-of-a-ct-to-ct-scan-registration/2066 "2019-07-19T21:18:18Z")

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That is, if we compute a transform based on registering two CT scans, and have a region of interest, what’s the best quantitative measure of how good that registration is in that region? Scrolling through slices and look…

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## [ISBI 2020](https://discourse.itk.org/t/isbi-2020/2067)

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**Author:** [@hjmjohnson](https://discourse.itk.org/u/hjmjohnson)\
**Replies:** 0\
**Last updated:** [July 19, 2019, 8:25pm UTC](https://discourse.itk.org/t/isbi-2020/2067 "2019-07-19T20:25:22Z")

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ITK Community, The International Symposium on Biomedical Imaging (http://2020.biomedicalimaging.org/) will be held in Iowa City, IA next year. As many medical imaging experts from Iowa have strong ties with the ITK dev…

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## [Patches for ITK 5.0.1](https://discourse.itk.org/t/patches-for-itk-5-0-1/2061)

<div class="topic-metadata">

**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [July 18, 2019, 7:11pm UTC](https://discourse.itk.org/t/patches-for-itk-5-0-1/2061 "2019-07-18T19:11:20Z")

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Hi folks, The next patch (bugfix) release, ITK 5.0.1, is planned for Tuesday, July 23. Patches currently staged on the Git release branch are: Bradley Lowekamp (8): BUG: Use ProcessObject GetInput to obtain base…

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## [FixedImageRegionType is private in itkImageToImageMetric.h](https://discourse.itk.org/t/fixedimageregiontype-is-private-in-itkimagetoimagemetric-h/2054)

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**Author:** [@Gordian](https://discourse.itk.org/u/Gordian)\
**Replies:** 1\
**Last updated:** [July 17, 2019, 1:50pm UTC](https://discourse.itk.org/t/fixedimageregiontype-is-private-in-itkimagetoimagemetric-h/2054 "2019-07-17T13:50:55Z")

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Is there any reason why the FixedImageRegionType m\_FixedImageRegion in itkImageToImageMetric.h is private and not protected?

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## [ItkVtkGlue Java](https://discourse.itk.org/t/itkvtkglue-java/2052)

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**Author:** [@zilu](https://discourse.itk.org/u/zilu)\
**Replies:** 3\
**Last updated:** [July 16, 2019, 6:31pm UTC](https://discourse.itk.org/t/itkvtkglue-java/2052 "2019-07-16T18:31:46Z")

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Hello everyone, I have a couple of questions regarding ItkVtkGlue and Java. I tried to compile ITK 4.13.1 and VTK 8.2.0 enabling the Module\_ITKVTKGlue=ON on Windows 10 Pro 64bit and VisualStudio 2017 community. When I …

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## [Deadline Extended: MICCAI CLIP 2019: Clinical Image-based Procedures: Towards Holistic Patient Models for Personalised Healthcare](https://discourse.itk.org/t/deadline-extended-miccai-clip-2019-clinical-image-based-procedures-towards-holistic-patient-models-for-personalised-healthcare/2049)

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**Author:** [@Cristina\_Oyarzun](https://discourse.itk.org/u/Cristina_Oyarzun)\
**Replies:** 0\
**Last updated:** [July 16, 2019, 1:04pm UTC](https://discourse.itk.org/t/deadline-extended-miccai-clip-2019-clinical-image-based-procedures-towards-holistic-patient-models-for-personalised-healthcare/2049 "2019-07-16T13:04:30Z")

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CALL FOR PAPERS MICCAI 2019 Workshop on Clinical Image-based Procedures: Towards Holistic Patient Models for Personalised Healthcare October 17, 2019 Shenzhen, China Website:http://miccai-clip.org/ ================…

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## [Linux ITK threads all on same CPU](https://discourse.itk.org/t/linux-itk-threads-all-on-same-cpu/2041)

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**Author:** [@blacava](https://discourse.itk.org/u/blacava)\
**Replies:** 8\
**Last updated:** [July 15, 2019, 10:56pm UTC](https://discourse.itk.org/t/linux-itk-threads-all-on-same-cpu/2041 "2019-07-15T22:56:04Z")

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ITK 4.13.2, Release build On Windows, my ITK app utilizes all 8 CPUs, however on Linux all ITK threads share a single CPU and is dog-slow. If you look at the attached screenshot you’ll see what I mean. BTW: itk::Multi…

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## [Append 2 volumes change in resolution?](https://discourse.itk.org/t/append-2-volumes-change-in-resolution/2036)

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**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 4\
**Last updated:** [July 15, 2019, 8:02pm UTC](https://discourse.itk.org/t/append-2-volumes-change-in-resolution/2036 "2019-07-15T20:02:59Z")

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I am trying to Append 2 volumes. But thereafter I can see that the resolution has changed a lot. Why did this happen? These pictures are before and after.

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## [SITK::Error - The file has unsupported 3 dimensions](https://discourse.itk.org/t/sitk-error-the-file-has-unsupported-3-dimensions/2045)

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**Author:** [@SELVA\_MUTHU\_KUMARAN](https://discourse.itk.org/u/SELVA_MUTHU_KUMARAN)\
**Replies:** 12\
**Last updated:** [July 15, 2019, 5:10pm UTC](https://discourse.itk.org/t/sitk-error-the-file-has-unsupported-3-dimensions/2045 "2019-07-15T17:10:15Z")

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Hello Everyone, Can you please help me with the below error? I have a DICOM file which is attached. When we try to convert this into a.mhd file, we get an error as “Teh file in the series has unsupported 3D dimensions”…

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## [itk::ERROR: MeanSampleFilter: Total frequency was too close to zero](https://discourse.itk.org/t/itk-meansamplefilter-total-frequency-was-too-close-to-zero/1989)

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**Author:** [@ine](https://discourse.itk.org/u/ine)\
**Replies:** 7\
**Last updated:** [July 15, 2019, 9:39am UTC](https://discourse.itk.org/t/itk-meansamplefilter-total-frequency-was-too-close-to-zero/1989 "2019-07-15T09:39:51Z")

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Hello, I’m quite new to C++ and ITK (I have mainly used Python and SimpleITK up until now). I’m trying to read an image and get some statistics from this image, but only in an ellipse-shaped region. For this, I am usi…

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## [sitk.ReadImage for known deformation fields in dcm](https://discourse.itk.org/t/sitk-readimage-for-known-deformation-fields-in-dcm/1093)

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**Author:** [@JuanC](https://discourse.itk.org/u/JuanC)\
**Replies:** 2\
**Last updated:** [July 15, 2019, 9:23am UTC](https://discourse.itk.org/t/sitk-readimage-for-known-deformation-fields-in-dcm/1093 "2019-07-15T09:23:31Z")

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Hi all, I have a deformation field calculated by a different software in dcm format and I want to import it using simpleITK. When I use: dis = sitk.ReadImage(‘dvf.dcm’, sitk.sitkVectorFloat64) Throws the error: Runt…

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## [Distorted DICOM import on Slicer](https://discourse.itk.org/t/distorted-dicom-import-on-slicer/2043)

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**Author:** [@Amine](https://discourse.itk.org/u/Amine)\
**Replies:** 0\
**Last updated:** [July 15, 2019, 12:39am UTC](https://discourse.itk.org/t/distorted-dicom-import-on-slicer/2043 "2019-07-15T00:39:45Z")

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Hi, coming from 3D Slicer Forum, i was advised to post this issue here There is a link to the original thread with more info: DICOM file: https://drive.google.com/drive/folders/1RgqhZjg6hXBfXKWZYmBYJOfFyq\_XxxiS Th…

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## [Build HelloWorld error](https://discourse.itk.org/t/build-helloworld-error/1873)

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**Author:** [@yinpeter](https://discourse.itk.org/u/yinpeter)\
**Replies:** 19\
**Last updated:** [July 13, 2019, 2:10am UTC](https://discourse.itk.org/t/build-helloworld-error/1873 "2019-07-13T02:10:27Z")

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Build Env.: MacOS: 10.13.6 Xcode: 10.1 ITK: ITK 5.0 Release Candidate 2 Error: ! Apple Mach-O Linder(id) Error !Linker command failed with exit code 1(use -v to see invocation) detail: ld: library not found for -…

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## [How to avoid rebuilding ITK by azure CI at the GitHub of another project (elastix)?](https://discourse.itk.org/t/how-to-avoid-rebuilding-itk-by-azure-ci-at-the-github-of-another-project-elastix/2002)

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**Author:** [@Niels\_Dekker](https://discourse.itk.org/u/Niels_Dekker)\
**Replies:** 11\
**Last updated:** [July 12, 2019, 2:13pm UTC](https://discourse.itk.org/t/how-to-avoid-rebuilding-itk-by-azure-ci-at-the-github-of-another-project-elastix/2002 "2019-07-12T14:13:44Z")

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Our image registration toolkit elastix is being built with a specific tagged version of ITK5 (actually v5.0.0), at https://dev.azure.com/kaspermarstal/Elastix/\_build/results?buildId=458 As you see, a Windows build of el…

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## [Reading DICOM-RT tags](https://discourse.itk.org/t/reading-dicom-rt-tags/2038)

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**Author:** [@Gabriele\_Belotti](https://discourse.itk.org/u/Gabriele_Belotti)\
**Replies:** 5\
**Last updated:** [July 12, 2019, 12:25pm UTC](https://discourse.itk.org/t/reading-dicom-rt-tags/2038 "2019-07-12T12:25:44Z")

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Hi everyone, I am trying to automatically extract tags from an RT file, however ITK doesn’t directly support this kind of format. I really don’t need to extract/use the contours, I just need to find the information con…

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## [Casting images](https://discourse.itk.org/t/casting-images/2037)

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**Author:** [@nm97](https://discourse.itk.org/u/nm97)\
**Replies:** 1\
**Last updated:** [July 11, 2019, 9:09pm UTC](https://discourse.itk.org/t/casting-images/2037 "2019-07-11T21:09:50Z")

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What is the difference between RescaleIntensityImageFilter and CastImageFilter classes?

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## [How to set parameters on CED, EED and cCEED](https://discourse.itk.org/t/how-to-set-parameters-on-ced-eed-and-cceed/2030)

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**Author:** [@Dimitris\_Lolis](https://discourse.itk.org/u/Dimitris_Lolis)\
**Replies:** 6\
**Last updated:** [July 11, 2019, 10:33am UTC](https://discourse.itk.org/t/how-to-set-parameters-on-ced-eed-and-cceed/2030 "2019-07-11T10:33:34Z")

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Hello, I’m quite new to this framework but i can’t get a grasp of how to use its python interface. I would like to replicate the weikert Diffusion type in the simplest way possible by denoising some of my own images lik…

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## [Effect of image processing algorithms on pixel intensity and HU index of DICOM?](https://discourse.itk.org/t/effect-of-image-processing-algorithms-on-pixel-intensity-and-hu-index-of-dicom/2032)

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**Author:** [@hothao](https://discourse.itk.org/u/hothao)\
**Replies:** 1\
**Last updated:** [July 10, 2019, 4:13pm UTC](https://discourse.itk.org/t/effect-of-image-processing-algorithms-on-pixel-intensity-and-hu-index-of-dicom/2032 "2019-07-10T16:13:03Z")

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Hi everyone, As I understand: HU = CTnumber \* Slope + intercept. The two values are slope and intercept, in turn, takes the tag (0028, 1053) and the tag (0028, 1052), using ITK. When displayed, the pixel intensity is …

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## [“exception occurred during imageIO”](https://discourse.itk.org/t/exception-occurred-during-imageio/2016)

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**Author:** [@jeroch](https://discourse.itk.org/u/jeroch)\
**Replies:** 4\
**Last updated:** [July 10, 2019, 5:24am UTC](https://discourse.itk.org/t/exception-occurred-during-imageio/2016 "2019-07-10T05:24:03Z")

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hello sir ,when I save edited image used format .mha in macOS, one exception occurred like that. How to solve the question?

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## [New implementation of functor filter in OTB !!!!](https://discourse.itk.org/t/new-implementation-of-functor-filter-in-otb/2024)

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**Author:** [@shinavn](https://discourse.itk.org/u/shinavn)\
**Replies:** 4\
**Last updated:** [July 9, 2019, 5:21pm UTC](https://discourse.itk.org/t/new-implementation-of-functor-filter-in-otb/2024 "2019-07-09T17:21:54Z")

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Hi all, I am working on a new functor filter implementation in OTB, and feedbacks suggest that this is something that could be interesting for ITK. Basically you can use it very simply with any functor with operator() o…

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## [Searching mailing list archives !!!](https://discourse.itk.org/t/searching-mailing-list-archives/2021)

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**Author:** [@shinavn](https://discourse.itk.org/u/shinavn)\
**Replies:** 1\
**Last updated:** [July 9, 2019, 4:07am UTC](https://discourse.itk.org/t/searching-mailing-list-archives/2021 "2019-07-09T04:07:38Z")

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Hi, TK has been using mailing lists for over 15 years as a mean for the community to communicate: announcements, questions, discussions, and many other topics. Despite the ITK discourse forum being available, these tho…

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## [Line structuring element in any orientations](https://discourse.itk.org/t/line-structuring-element-in-any-orientations/2004)

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**Author:** [@Jonas](https://discourse.itk.org/u/Jonas)\
**Replies:** 5\
**Last updated:** [July 9, 2019, 3:27am UTC](https://discourse.itk.org/t/line-structuring-element-in-any-orientations/2004 "2019-07-09T03:27:02Z")

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Hello, I’m trying to implement “The Multiscale Bowler-Hat Transform for Vessel Enhancement in 3D Biomedical Images” by creating a custom itk filter. They use morphological grayscale openings with a combination of spher…

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## [Read mha metadata](https://discourse.itk.org/t/read-mha-metadata/2007)

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**Author:** [@Gabriele\_Belotti](https://discourse.itk.org/u/Gabriele_Belotti)\
**Replies:** 15\
**Last updated:** [July 8, 2019, 8:58am UTC](https://discourse.itk.org/t/read-mha-metadata/2007 "2019-07-08T08:58:34Z")

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Hi everyone, I’m trying to extract information about a volume which is in .mha format. I’m struggling to find examples on how to read metadata of images which aren’t DICOM and I would like to automatically extract info…

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## [Combining probing of pixel values with streaming](https://discourse.itk.org/t/combining-probing-of-pixel-values-with-streaming/2010)

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**Author:** [@grothausmann.roman](https://discourse.itk.org/u/grothausmann.roman)\
**Replies:** 5\
**Last updated:** [July 5, 2019, 12:57pm UTC](https://discourse.itk.org/t/combining-probing-of-pixel-values-with-streaming/2010 "2019-07-05T12:57:31Z")

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Hi! How would I have to adjust the code of my CLI probeCoords to employ streaming? It just loads an image and reports the pixel values for some specific indices and is based on https://itk.org/Doxygen/html/Examples\_2Dat…

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