InsightSoftwareConsortium/ITK

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Insight Toolkit (ITK) -- Official Repository. ITK builds on a proven, spatially-oriented architecture for processing, segmentation, and registration of scientific images in two, three, or more dimensions.

Stars: 1.7k
Forks: 748
Open beginner issues: 0
Indexed issues: 347
Avg merge: 1d 1h
Merged PRs (30d): 64

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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347 open issues indexed

Make ITK keywords in PyPI consistent Open

Good first issue type:Documentation

InsightSoftwareConsortium/ITK#4838 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Support specification of Nifti sform tolerance via environmental variable Open

type:Enhancement

InsightSoftwareConsortium/ITK#4839 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
GPU filters fail when invoked from Python Open

type:Bug

InsightSoftwareConsortium/ITK#4846 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
`PointSet::SetPoints(PointsVectorContainer *)` overload leads to undefined behavior Open

type:Bug

InsightSoftwareConsortium/ITK#4848 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Report all warnings in CI builds Open

type:Bug

InsightSoftwareConsortium/ITK#4877 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
CMake attempts to set properties on hdf5-static instead of hdf5-shared when BUILD_STATIC_LIBS is set to OFF Open

type:Bug

InsightSoftwareConsortium/ITK#4882 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Feature Request] Align::[Adaptive/Element/Vector] mode and use std::array as FixedArray Open

type:Enhancement

InsightSoftwareConsortium/ITK#5034 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
GitHub action to detect ABI incompatibilities for commits Open

type:Design

InsightSoftwareConsortium/ITK#5083 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Improve ITK's OpenSSF scores Open

type:Infrastructure

InsightSoftwareConsortium/ITK#5084 · 1 comment · 1 reaction · 2 assignees · Indexed Sep 17, 2026
Utilities/Doxygen/mcdoc.py chokes on non-existent include directory Open

type:Infrastructure

InsightSoftwareConsortium/ITK#5085 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
`DeformableRegistration8Test3` seems broken (requires `ITK_USE_BRAINWEB_DATA`) Open

type:Bug

InsightSoftwareConsortium/ITK#5170 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Seem unable to detect memory size on FreeBSD; `itkMemoryProbesCollecterBaseTest` test fails Open

type:Bug

InsightSoftwareConsortium/ITK#5250 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
BinaryThinningImageFilter3D takes too much time Open

InsightSoftwareConsortium/ITK#6338 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Proposal for macOS Intel Support deprecation timeline in ITK 6 (Retained in ITK 5) Open

type:Compiler

InsightSoftwareConsortium/ITK#5326 · 20 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Rotating an NRRD volume is slow Open

InsightSoftwareConsortium/ITK#5343 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Re-enable notebook CI tests Open

InsightSoftwareConsortium/ITK#6341 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Document How to Contribute Hosted GitHub Runners for ITK CI Testing Open

type:Documentation

InsightSoftwareConsortium/ITK#5370 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Proposal: Create a Forgejo Mirror of the InsightSoftwareConsortium GitHub Organization Open

type:Infrastructure

InsightSoftwareConsortium/ITK#5372 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
HDF5 library installed file names in Debug vs Release Open

type:Bug

InsightSoftwareConsortium/ITK#5456 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Write to NRRD writes the wrong data type to the file Open

type:Bug

InsightSoftwareConsortium/ITK#5462 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
UBSan issue with ITKIOTransformMatlabTest test Open

type:Bug

InsightSoftwareConsortium/ITK#5467 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Raise error instead of warning when writing image with non-orthogonal direction matrix to nifti. Open

type:Enhancement

InsightSoftwareConsortium/ITK#5468 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Address Eigen warnings - Update itkeigen library Open

type:Bug

InsightSoftwareConsortium/ITK#5484 · 13 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
GitHub action builds do not submit status to CDash dashboard Open

type:Infrastructure

InsightSoftwareConsortium/ITK#5516 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[LINUX] The application crashes while generating the NRRD file Open

InsightSoftwareConsortium/ITK#5543 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add Event Queue to invocation of events Open

type:Enhancement

InsightSoftwareConsortium/ITK#5546 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Monterey ITKTreeContainer.h missing in v. 5.x Open

type:Bug

InsightSoftwareConsortium/ITK#5558 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Undefined behavior of iterators Get for VariableLengthVector Open

type:Bug

InsightSoftwareConsortium/ITK#5668 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
When building with the bundled HDF5 - its targets are exported (when they shouldn't be) Open

type:Bug

InsightSoftwareConsortium/ITK#5755 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Update testing scripts to account for CMake code revamp Open

type:Compiler

InsightSoftwareConsortium/ITK#5762 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Convert no-argument tests to GTests Open

type:Infrastructure

InsightSoftwareConsortium/ITK#5919 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
ENH: Adopt CMakePresets.json for standardized ITK build configurations Open

InsightSoftwareConsortium/ITK#6050 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Build fails on Arm64 with recent glibc and gcc Open

type:Bug type:Compiler

InsightSoftwareConsortium/ITK#6058 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
COMP: CI GitHub Actions concurrency bottleneck Open

InsightSoftwareConsortium/ITK#6074 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ENH: Drop OpenGL/OpenCL GPU modules in ITK 6 Open

InsightSoftwareConsortium/ITK#6075 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
ENH: Add tracked CMakePresets.json with common build configurations Open

InsightSoftwareConsortium/ITK#6077 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ShapedNeighborhoodIterator silently breaks const-correctness on image argument Open

type:Bug

InsightSoftwareConsortium/ITK#6102 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 17, 2026
ENH: Modernize image iterators to eliminate const_cast via VIsConst templating Open

InsightSoftwareConsortium/ITK#6141 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
GHA: build ITKVtkGlue against system-package VTK (HDF5 + Qt5 reconciliation) Open

InsightSoftwareConsortium/ITK#6145 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ITKModuleMacros: _SYSTEM_INCLUDE_DIRS does not support in-source paths (blocks SYSTEM treatment of vendored Eigen) Open

InsightSoftwareConsortium/ITK#6224 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ENH: Master tracking — Eigen3 third-party design for ITK 6.x Open

InsightSoftwareConsortium/ITK#6230 · 20 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
ENH: Master tracking — virtual / override / final semantics on Get/Set macros for ITK 6.x Open

InsightSoftwareConsortium/ITK#6232 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Cuberille: BUG: Failure Case with QEMesh Open

InsightSoftwareConsortium/ITK#6286 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
FastBilateral: Implement FastAdaptiveBilateral Open

InsightSoftwareConsortium/ITK#6287 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
IOFDF: Issue caused by carriage returns Open

InsightSoftwareConsortium/ITK#6288 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
IOMeshSTL: Reading some binary STL Files will fail Open

InsightSoftwareConsortium/ITK#6289 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
SubdivisionQuadEdgeMeshFilter: Delaunay Filter Temporarily Disabled Open

InsightSoftwareConsortium/ITK#6290 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
GenericLabelInterpolator: Python warnings on load Open

InsightSoftwareConsortium/ITK#6291 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Montage: run simpleMontage.py get error ITK ERROR: Object factory failed to instantiate class itk::RealToHalfHermitianForwardFFTImageFilter on windows 10 Open

InsightSoftwareConsortium/ITK#6292 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Montage: Explore adding RGBUS wrapping Open

InsightSoftwareConsortium/ITK#6293 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

InsightSoftwareConsortium/ITK

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