# \#optimization

**URL:** https://discourse.itk.org/tag/optimization/78.md

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

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## [Running optimizer in parallel](https://discourse.itk.org/t/running-optimizer-in-parallel/1421)

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**Author:** [@Gordian](https://discourse.itk.org/u/Gordian)\
**Replies:** 6\
**Last updated:** [December 3, 2025, 8:42pm UTC](https://discourse.itk.org/t/running-optimizer-in-parallel/1421 "2025-12-03T20:42:34Z")

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Hello, i have a question regarding parallel optimization. The actual setup is more cpmplex. Therefore I try to simplify. I have a reference image and multiple other images. I want to register the other images onto the …

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## [Registration Algorithm or Evolution Optimizer Not Deterministic](https://discourse.itk.org/t/registration-algorithm-or-evolution-optimizer-not-deterministic/6597)

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**Author:** [@Michael\_M](https://discourse.itk.org/u/Michael_M)\
**Replies:** 7\
**Last updated:** [May 3, 2024, 1:18pm UTC](https://discourse.itk.org/t/registration-algorithm-or-evolution-optimizer-not-deterministic/6597 "2024-05-03T13:18:03Z")

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Hi, I am following the example registration11 found here: ITK: Examples/RegistrationITKv3/ImageRegistration11.cxx Everything works, except the results are not deterministic. When I run it multiple times, I am getting …

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## [Can LevenbergMarquardtOptimizer be constrained with bounds ?](https://discourse.itk.org/t/can-levenbergmarquardtoptimizer-be-constrained-with-bounds/4075)

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**Author:** [@agp](https://discourse.itk.org/u/agp)\
**Replies:** 0\
**Last updated:** [April 26, 2021, 9:32am UTC](https://discourse.itk.org/t/can-levenbergmarquardtoptimizer-be-constrained-with-bounds/4075 "2021-04-26T09:32:04Z")

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Hello everyone, I have been working on registering a statistical shape model to a 3D pointset, using ITK and statismo I have tested multiple optimizers available in ITK to optimize a composite transform of a itk::Stati…

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## [ImageSeriesReader speed](https://discourse.itk.org/t/imageseriesreader-speed/3558)

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**Author:** [@jwitos](https://discourse.itk.org/u/jwitos)\
**Replies:** 3\
**Last updated:** [October 22, 2020, 5:55pm UTC](https://discourse.itk.org/t/imageseriesreader-speed/3558 "2020-10-22T17:55:23Z")

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Hi everyone, I’m currently using SimpleITK (2.0) ImageSeriesReader to process several hundred of MR studies. I am using the standard approach with GetGDCMSeriesIDs -\> GetGDCMSeriesFileNames -\> Execute. It is working fin…

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## [Precompiled headers (PCH) in ITK](https://discourse.itk.org/t/precompiled-headers-pch-in-itk/2318)

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**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\
**Replies:** 2\
**Last updated:** [October 16, 2019, 9:33pm UTC](https://discourse.itk.org/t/precompiled-headers-pch-in-itk/2318 "2019-10-16T21:33:14Z")

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CMake 3.16.0 adds support for creating targets with precompiled headers. I wasn’t familiar with this term, but we have had discussions about instantiating templates to reduce the compile time of the library. It seems p…

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## [Particle swarm optimization excet](https://discourse.itk.org/t/particle-swarm-optimization-excet/1850)

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**Author:** [@c.spanakis83](https://discourse.itk.org/u/c.spanakis83)\
**Replies:** 1\
**Last updated:** [May 9, 2019, 2:17pm UTC](https://discourse.itk.org/t/particle-swarm-optimization-excet/1850 "2019-05-09T14:17:45Z")

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Hello. I want to use Particle Swarm Optimization (PSO) for Affine image registration. As you see below, I initialized PSO code optimizer-\>SetInertiaCoefficient(0.8); optimizer-\>SetMaximalNumberOfIterations(1000); optimi…