# Latest **URL:** https://discourse.itk.org/latest.md?page=68 [Latest](https://discourse.itk.org/latest.md) · [Categories](https://discourse.itk.org/categories.md) · [Tags](https://discourse.itk.org/tags.md) **Page:** 69 --- ## [Target links to target "hdf5::hdf5-shared" but the target was not found](https://discourse.itk.org/t/target-links-to-target-hdf5-hdf5-shared-but-the-target-was-not-found/3018)
**Author:** [@hubutui](https://discourse.itk.org/u/hubutui)\ **Replies:** 12\ **Last updated:** [May 6, 2020, 11:53pm UTC](https://discourse.itk.org/t/target-links-to-target-hdf5-hdf5-shared-but-the-target-was-not-found/3018 "2020-05-06T23:53:24Z")
Hi, I test helloword itk project on Windows 10, MSYS2, but failed. Here is my code: // main.cpp #include "itkImage.h" #include "itkImageFileWriter.h" int main(int argc, char \*argv\[\]) { std::cout \<\< "ITK Hello W… --- ## [Store Images in a Vector and then Average it](https://discourse.itk.org/t/store-images-in-a-vector-and-then-average-it/3027)
**Author:** [@machadoL](https://discourse.itk.org/u/machadoL)\ **Replies:** 2\ **Last updated:** [May 4, 2020, 8:50pm UTC](https://discourse.itk.org/t/store-images-in-a-vector-and-then-average-it/3027 "2020-05-04T20:50:50Z")
Hey Guys, I am generating vector images (3 images) iteratively and I would like to know how I can store those images into a vector, or array, of images, and average those 3 images to save only the final averaged one. T… --- ## [Different deformation energy for image segments in non-rigid registration](https://discourse.itk.org/t/different-deformation-energy-for-image-segments-in-non-rigid-registration/3024)
**Author:** [@Michael\_Ef](https://discourse.itk.org/u/Michael_Ef)\ **Replies:** 4\ **Last updated:** [May 4, 2020, 8:33pm UTC](https://discourse.itk.org/t/different-deformation-energy-for-image-segments-in-non-rigid-registration/3024 "2020-05-04T20:33:06Z")
Hi all, I have a question regarding masking in non-rigid registration. So I have already done a rigid registration of two histological slices, that are now globally well-disposed (at the first glance). However, due to t… --- ## [Weird/Incorrect results from SimpleITK:ConnectedComponent()](https://discourse.itk.org/t/weird-incorrect-results-from-simpleitk-connectedcomponent/2923)
**Author:** [@jbi35](https://discourse.itk.org/u/jbi35)\ **Replies:** 9\ **Last updated:** [May 3, 2020, 2:11pm UTC](https://discourse.itk.org/t/weird-incorrect-results-from-simpleitk-connectedcomponent/2923 "2020-05-03T14:11:16Z")
Hi there, I’ve come across some unexpected behavior while using the procedural interface of the ConnectedComponentImageFilter in SimpleITK. When applying the filter in order to extract the largest connected components i… --- ## [Issue when calling readImageDICOMFileSeries twice](https://discourse.itk.org/t/issue-when-calling-readimagedicomfileseries-twice/2993)
**Author:** [@JC\_Buisson](https://discourse.itk.org/u/JC_Buisson)\ **Replies:** 7\ **Last updated:** [April 30, 2020, 4:37am UTC](https://discourse.itk.org/t/issue-when-calling-readimagedicomfileseries-twice/2993 "2020-04-30T04:37:58Z")
Hi, I’m developing a DICOM files volume rendering web application using vtk.js and itk.js I use the very handy and efficient readImageDICOMFileSeries function. However, this function returns an undefined image when it … --- ## [Is possible to get the study description using DICOMSeriesFileNames ?](https://discourse.itk.org/t/is-possible-to-get-the-study-description-using-dicomseriesfilenames/3017)
**Author:** [@zandarina](https://discourse.itk.org/u/zandarina)\ **Replies:** 0\ **Last updated:** [April 29, 2020, 9:58am UTC](https://discourse.itk.org/t/is-possible-to-get-the-study-description-using-dicomseriesfilenames/3017 "2020-04-29T09:58:58Z")
Hello, I am using DICOMSeriesFileNames to iterate through directories and find all the dicom files. I see that it gives the following information from the metadata GetSeriesScanOptions GetSeriesUIDs GetSeriesDescri… --- ## [How to return PNG as an array instead of writing to file](https://discourse.itk.org/t/how-to-return-png-as-an-array-instead-of-writing-to-file/3013)
**Author:** [@Henco](https://discourse.itk.org/u/Henco)\ **Replies:** 1\ **Last updated:** [April 28, 2020, 5:25pm UTC](https://discourse.itk.org/t/how-to-return-png-as-an-array-instead-of-writing-to-file/3013 "2020-04-28T17:25:25Z")
Hi, I’m trying to use ITK in conjunction with Unity. Currently, when my program is called from Unity, it reads a .mha + .raw 3D image file, applies two filters, and outputs a 2D PNG, which is written to another folder w… --- ## [How to transfert pixel buffer from Javascript to Python?](https://discourse.itk.org/t/how-to-transfert-pixel-buffer-from-javascript-to-python/3014)
**Author:** [@Athius](https://discourse.itk.org/u/Athius)\ **Replies:** 0\ **Last updated:** [April 28, 2020, 7:19am UTC](https://discourse.itk.org/t/how-to-transfert-pixel-buffer-from-javascript-to-python/3014 "2020-04-28T07:19:35Z")
Hi, I’m trying to send the pixel buffer of an itk image (3D images) using a websocket in javascript to a python server. On client side (javascript), I send the image data as binary content like this: // image is a itk… --- ## [Setup ITK](https://discourse.itk.org/t/setup-itk/3007)
**Author:** [@c.spanakis83](https://discourse.itk.org/u/c.spanakis83)\ **Replies:** 7\ **Last updated:** [April 28, 2020, 5:05pm UTC](https://discourse.itk.org/t/setup-itk/3007 "2020-04-28T17:05:50Z")
Hello, i want to setup ITK using cmake and Visual studio 2019 Community edition. I want to install ITK so that I can create code that can be compiled and create exe that contain all the needed libraries and be able to ex… --- ## [Convert VTK image to ITK image without itk-vtkglue](https://discourse.itk.org/t/convert-vtk-image-to-itk-image-without-itk-vtkglue/3009)
**Author:** [@finetjul](https://discourse.itk.org/u/finetjul)\ **Replies:** 2\ **Last updated:** [April 28, 2020, 3:27pm UTC](https://discourse.itk.org/t/convert-vtk-image-to-itk-image-without-itk-vtkglue/3009 "2020-04-28T15:27:31Z")
How can I convert a VTK image into an ITK image without itk-vtkglue in Python ? (see current issue) Is there a solution as simple as converting from ITK to VTK ? data = itk.GetArrayViewFromImage(myITKImage).tos… --- ## [OME TIFF pyramid format](https://discourse.itk.org/t/ome-tiff-pyramid-format/1610)
**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\ **Replies:** 5\ **Last updated:** [April 27, 2020, 5:50pm UTC](https://discourse.itk.org/t/ome-tiff-pyramid-format/1610 "2020-04-27T17:50:35Z")
It would be neat to add an IO module for this format! --- ## [status of ITK+GPU ?](https://discourse.itk.org/t/status-of-itk-gpu/277)
**Author:** [@nickmarch31](https://discourse.itk.org/u/nickmarch31)\ **Replies:** 10\ **Last updated:** [April 27, 2020, 5:38pm UTC](https://discourse.itk.org/t/status-of-itk-gpu/277 "2020-04-27T17:38:53Z")
What is the status of ITK-GPU development? Is there anyone currently working on it? Seems like some OpenCL stuff… any CUDA updates besides the small Cuda ITK project released a few years ago? --- ## [ITK 5.1 Release Candidate 3 available for testing](https://discourse.itk.org/t/itk-5-1-release-candidate-3-available-for-testing/2914)
**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\ **Replies:** 7\ **Last updated:** [April 27, 2020, 5:26pm UTC](https://discourse.itk.org/t/itk-5-1-release-candidate-3-available-for-testing/2914 "2020-04-27T17:26:56Z")
We are happy to announce the Insight Toolkit (ITK) 5.1 Release Candidate 3 is available for testing! :tada: ITK is an open-source, cross-platform toolkit for N-dimensional scientific image processing, segmentation, and r… --- ## [Building ITK with emscripten](https://discourse.itk.org/t/building-itk-with-emscripten/2919)
**Author:** [@prashanth.dumpuri](https://discourse.itk.org/u/prashanth.dumpuri)\ **Replies:** 9\ **Last updated:** [April 27, 2020, 4:19pm UTC](https://discourse.itk.org/t/building-itk-with-emscripten/2919 "2020-04-27T16:19:43Z")
All, 'am trying to build ITK-4.9 on Windows 10 machine using emscripten. I’ve written a few filters in C++ using ITK but I now have to run them from a browser. I do not know javascript and therefore cannot use itk-js. M… --- ## [\[solved\] VTK IterativeClosestPointTransform to ITK AffineTransform](https://discourse.itk.org/t/solved-vtk-iterativeclosestpointtransform-to-itk-affinetransform/3010)
**Author:** [@reox](https://discourse.itk.org/u/reox)\ **Replies:** 1\ **Last updated:** [April 27, 2020, 11:24am UTC](https://discourse.itk.org/t/solved-vtk-iterativeclosestpointtransform-to-itk-affinetransform/3010 "2020-04-27T11:24:19Z")
Is it possible to transform the result of a VTK IterativeClosestPointTransform into an ITK AffineTransformation? My intention was to apply the ICP to some points, then use the transformation and apply it to images in ITK… --- ## [Connected component filter/ConnectedThresholdImageFilter](https://discourse.itk.org/t/connected-component-filter-connectedthresholdimagefilter/3001)
**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\ **Replies:** 2\ **Last updated:** [April 26, 2020, 1:40pm UTC](https://discourse.itk.org/t/connected-component-filter-connectedthresholdimagefilter/3001 "2020-04-26T13:40:22Z")
Hi, I have labeled 3D image with two different pixel values. I want to apply image connectivity filter to remove the other noises within the labeling which are creating problems to create a simple surface extraction in … --- ## [Anisotropic Diffusion Perona Malik](https://discourse.itk.org/t/anisotropic-diffusion-perona-malik/2999)
**Author:** [@michael](https://discourse.itk.org/u/michael)\ **Replies:** 2\ **Last updated:** [April 25, 2020, 12:43pm UTC](https://discourse.itk.org/t/anisotropic-diffusion-perona-malik/2999 "2020-04-25T12:43:35Z")
Hi there, I have two questions related to the anisotropic diffusion filters (gradient and curvature) in the SimpleITK library. Specifically, Do the filters do any scaling to the conductance parameter, K, that you pro… --- ## [Anatomical orientation change when converting from MHD/RAW to NRRD](https://discourse.itk.org/t/anatomical-orientation-change-when-converting-from-mhd-raw-to-nrrd/3000)
**Author:** [@mattwarkentin](https://discourse.itk.org/u/mattwarkentin)\ **Replies:** 4\ **Last updated:** [April 24, 2020, 8:17pm UTC](https://discourse.itk.org/t/anatomical-orientation-change-when-converting-from-mhd-raw-to-nrrd/3000 "2020-04-24T20:17:58Z")
Hi, I am trying to convert a series of MHD/ZRAW file-pairs to a single NRRD file that contains both the header meta-data and the array data. However, I notice that when I convert the files the orientation does not seem … --- ## [Simple ITK Shrink and Smoothing Factors](https://discourse.itk.org/t/simple-itk-shrink-and-smoothing-factors/2982)
**Author:** [@pmontijo](https://discourse.itk.org/u/pmontijo)\ **Replies:** 6\ **Last updated:** [April 23, 2020, 3:43pm UTC](https://discourse.itk.org/t/simple-itk-shrink-and-smoothing-factors/2982 "2020-04-23T15:43:19Z")
Hello all, I’m a new user of simple ITK and I’m trying to register CT images and high resolution images from a camera. When I run the registration with the following code, I get the error that joint pdf summed to zero: … --- ## [How to quickly obtain the pixel type of a nifti file?](https://discourse.itk.org/t/how-to-quickly-obtain-the-pixel-type-of-a-nifti-file/2998)
**Author:** [@fangc](https://discourse.itk.org/u/fangc)\ **Replies:** 1\ **Last updated:** [April 23, 2020, 3:12pm UTC](https://discourse.itk.org/t/how-to-quickly-obtain-the-pixel-type-of-a-nifti-file/2998 "2020-04-23T15:12:11Z")
Hello, I am using ITK C++. My project requires me to load the header information named data\_type in a nifti file. I know how to get the image such as using ImageReaderType = itk::ImageFileReader\; ImageRe… --- ## [Simple ITK documentation - Not working](https://discourse.itk.org/t/simple-itk-documentation-not-working/2995)
**Author:** [@gattia](https://discourse.itk.org/u/gattia)\ **Replies:** 2\ **Last updated:** [April 22, 2020, 8:48pm UTC](https://discourse.itk.org/t/simple-itk-documentation-not-working/2995 "2020-04-22T20:48:03Z")
Hi, I wasnt sure where to mention this, so I figured here was best. It seems like the simple itk documentation is down (or changed addresses?). I tried navigating to some of the google links for specific topics and fou… --- ## [Linear transforms to displacement field](https://discourse.itk.org/t/linear-transforms-to-displacement-field/2992)
**Author:** [@alixchcl](https://discourse.itk.org/u/alixchcl)\ **Replies:** 1\ **Last updated:** [April 22, 2020, 6:27pm UTC](https://discourse.itk.org/t/linear-transforms-to-displacement-field/2992 "2020-04-22T18:27:32Z")
Hi! I would like to create a deformation field from 2 linear transforms, which are defined on different regions of my image. So, I have two different linear transforms (one for the right hemisphere, and one for the lef… --- ## [Extract an oblique plane using the direction matrix](https://discourse.itk.org/t/extract-an-oblique-plane-using-the-direction-matrix/2990)
**Author:** [@Helena](https://discourse.itk.org/u/Helena)\ **Replies:** 0\ **Last updated:** [April 22, 2020, 2:42pm UTC](https://discourse.itk.org/t/extract-an-oblique-plane-using-the-direction-matrix/2990 "2020-04-22T14:42:07Z")
I am new to ITK, but was using it to resample my volume into a new direction matrix of (-0.237453, -0.971399, 0.0, 0.971399, -0.237453, 0.0, 0.0, 0.0, 1.0). I would like to get the axial view at a specific mid point. I t… --- ## [BinaryReconstructionByErosion works on 2D but not 3D images](https://discourse.itk.org/t/binaryreconstructionbyerosion-works-on-2d-but-not-3d-images/2987)
**Author:** [@fnemmi](https://discourse.itk.org/u/fnemmi)\ **Replies:** 2\ **Last updated:** [April 22, 2020, 1:53pm UTC](https://discourse.itk.org/t/binaryreconstructionbyerosion-works-on-2d-but-not-3d-images/2987 "2020-04-22T13:53:11Z")
Hi, I guess this is indeed a beginner question, but here I go. I have a series of DICOM files of a Dixon sequence of the thigh. My first very simple task is to create a mask of the whole thigh against the background. T… --- ## [How Segment the board in the red line of the picture?](https://discourse.itk.org/t/how-segment-the-board-in-the-red-line-of-the-picture/2973)
**Author:** [@wulicheng](https://discourse.itk.org/u/wulicheng)\ **Replies:** 7\ **Last updated:** [April 22, 2020, 1:01pm UTC](https://discourse.itk.org/t/how-segment-the-board-in-the-red-line-of-the-picture/2973 "2020-04-22T13:01:07Z")
image 1 This 3D image was constructed by a series of dicom file. Now I want to segment the content in the red closed line. how to DO!!! image 2 This is one of the series study of the dicom files. --- ## [How to select a ROI on dicomseries?](https://discourse.itk.org/t/how-to-select-a-roi-on-dicomseries/2945)
**Author:** [@Amnesie](https://discourse.itk.org/u/Amnesie)\ **Replies:** 6\ **Last updated:** [April 21, 2020, 10:34pm UTC](https://discourse.itk.org/t/how-to-select-a-roi-on-dicomseries/2945 "2020-04-21T22:34:35Z")
Hi everyone, I want to know how to select a ROI on dicomseries? I knew how to read dicomseries and did it for a single dicom. but for dicomseries i have no idea. For example i have a dicom series,now i want to select a… --- ## [Problem while copying metadata of a dicom image](https://discourse.itk.org/t/problem-while-copying-metadata-of-a-dicom-image/2978)
**Author:** [@Felippe\_Trigueiro\_An](https://discourse.itk.org/u/Felippe_Trigueiro_An)\ **Replies:** 3\ **Last updated:** [April 21, 2020, 4:42pm UTC](https://discourse.itk.org/t/problem-while-copying-metadata-of-a-dicom-image/2978 "2020-04-21T16:42:25Z")
Hi Guys, Let me give you some context of my problem: I’m doing a registration between two images, MovingVolume and FixedVolume and I’m going to do some processing to generate two final images that are related with the M… --- ## [New SimpleITK.org site and Doxygen URL](https://discourse.itk.org/t/new-simpleitk-org-site-and-doxygen-url/2985)
**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\ **Replies:** 0\ **Last updated:** [April 21, 2020, 2:17pm UTC](https://discourse.itk.org/t/new-simpleitk-org-site-and-doxygen-url/2985 "2020-04-21T14:17:11Z")
SimpleITK’s home page has been modernized and revamped! Please check out the update: https://simpleitk.org/ A thanks goes to Kitware for continuing to maintain the URL. The site is now hosted by GitHub Pages and includ… --- ## [Hi I'm new to ITK & RTK, I have some questions.](https://discourse.itk.org/t/hi-im-new-to-itk-rtk-i-have-some-questions/2974)
**Author:** [@Yolkandwhite](https://discourse.itk.org/u/Yolkandwhite)\ **Replies:** 4\ **Last updated:** [April 21, 2020, 2:52am UTC](https://discourse.itk.org/t/hi-im-new-to-itk-rtk-i-have-some-questions/2974 "2020-04-21T02:52:07Z")
Hi I’m trying to use ITK and RTK with python. however I do not know anything about cmake. Is the cmake necessary to use ITK & RTK in python? and It is hard to find an python examples for RTK… most of them were written… --- ## [How to fill the big holes for further processing of having a Riemannian surface?](https://discourse.itk.org/t/how-to-fill-the-big-holes-for-further-processing-of-having-a-riemannian-surface/2885)
**Author:** [@Sara\_Caffe](https://discourse.itk.org/u/Sara_Caffe)\ **Replies:** 15\ **Last updated:** [April 21, 2020, 1:39am UTC](https://discourse.itk.org/t/how-to-fill-the-big-holes-for-further-processing-of-having-a-riemannian-surface/2885 "2020-04-21T01:39:42Z")
Hi, I am facing an issue for creating the SimplexMesh from the TriangleMesh. It seems the surface does not have Riemannian geometry. I filled the holes by the following commands typedef itk::BinaryFillholeImageFilter\