# \#radiomics

**URL:** https://discourse.slicer.org/tag/radiomics/99.md

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

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## [Radiosteriormetric analysis- finding micromotion of knee replacement implant](https://discourse.slicer.org/t/radiosteriormetric-analysis-finding-micromotion-of-knee-replacement-implant/46667)

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**Author:** [@vinothkumar](https://discourse.slicer.org/u/vinothkumar)\
**Replies:** 0\
**Last updated:** [April 6, 2026, 12:18pm UTC](https://discourse.slicer.org/t/radiosteriormetric-analysis-finding-micromotion-of-knee-replacement-implant/46667 "2026-04-06T12:18:11Z")

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radiosteriometric analysis is a method to find metal implants implanted in bone over time. I am doing research on micromotion of knee implant in osteoporotic patients over two years by comparing the distance between meta…

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## [Breast PET/CT segmentation](https://discourse.slicer.org/t/breast-pet-ct-segmentation/46116)

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**Author:** [@Issa\_Abusaleh](https://discourse.slicer.org/u/Issa_Abusaleh)\
**Replies:** 1\
**Last updated:** [February 10, 2026, 9:16pm UTC](https://discourse.slicer.org/t/breast-pet-ct-segmentation/46116 "2026-02-10T21:16:38Z")

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I am writing to kindly request your guidance and support in learning segmentation techniques step by step, as I am currently working on a research project entitled: “PET/CT Predicting Treatment Response of Breast Cancer…

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## [Problems related to features between theory of radiomics and pyradiomics ](https://discourse.slicer.org/t/problems-related-to-features-between-theory-of-radiomics-and-pyradiomics/45679)

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**Author:** [@Cidi-2810](https://discourse.slicer.org/u/Cidi-2810)\
**Replies:** 0\
**Last updated:** [January 5, 2026, 9:28pm UTC](https://discourse.slicer.org/t/problems-related-to-features-between-theory-of-radiomics-and-pyradiomics/45679 "2026-01-05T21:28:50Z")

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https://docs.google.com/spreadsheets/d/1DA15prfyoDq8dxiiPZnI\_mUPHrWa\_AMV/edit?usp=sharing&ouid=116590247353327979827&rtpof=true&sd=true (This is a link excel that my partner and me did the test with features, I just test…

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## [Voxel-based radiomic feature extraction problem](https://discourse.slicer.org/t/voxel-based-radiomic-feature-extraction-problem/24328)

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**Author:** [@Rongjun\_Dong](https://discourse.slicer.org/u/Rongjun_Dong)\
**Replies:** 1\
**Last updated:** [May 10, 2025, 12:03pm UTC](https://discourse.slicer.org/t/voxel-based-radiomic-feature-extraction-problem/24328 "2025-05-10T12:03:16Z")

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Hi , I want to komw how to get a feature map that is the same size as the original? I am tring to extract voxel\_based feature, and I am confused about the size of feature map? I already tring to do zero paddings at the b…

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## [DWI radiomic features looking awkward?](https://discourse.slicer.org/t/dwi-radiomic-features-looking-awkward/41782)

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**Author:** [@Fazilhan\_Altintas](https://discourse.slicer.org/u/Fazilhan_Altintas)\
**Replies:** 1\
**Last updated:** [February 19, 2025, 10:12pm UTC](https://discourse.slicer.org/t/dwi-radiomic-features-looking-awkward/41782 "2025-02-19T22:12:02Z")

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Hello Dear 3d Slicer Community, I was segmenting a lesion on mulitple mri sequances to extract radiomic features. After I did I realized something very weird. For example I drew a mask on DWI and then slapped it onto ad…

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## [ "no attribute 'SafeConfigParser'" during installation.](https://discourse.slicer.org/t/no-attribute-safeconfigparser-during-installation/41403)

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**Author:** [@jxwang](https://discourse.slicer.org/u/jxwang)\
**Replies:** 0\
**Last updated:** [January 31, 2025, 11:28am UTC](https://discourse.slicer.org/t/no-attribute-safeconfigparser-during-installation/41403 "2025-01-31T11:28:42Z")

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File “C:\\Users\\User\\AppData\\Local\\Temp\\pip-install-98lxnlgs\\pyradiomics\_9d99062da3f5438592bc77f142141765\\versioneer.py”, line 342, in get\_config\_from\_root parser = configparser.SafeConfigParser() ^^^^^^^^^^^^^^^^^^^^^^…

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## [Voxel-based radiomic feature extraction](https://discourse.slicer.org/t/voxel-based-radiomic-feature-extraction/18901)

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**Author:** [@smcch](https://discourse.slicer.org/u/smcch)\
**Replies:** 12\
**Last updated:** [June 3, 2024, 12:00pm UTC](https://discourse.slicer.org/t/voxel-based-radiomic-feature-extraction/18901 "2024-06-03T12:00:33Z")

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Hi everyone, I am doing radiomic feature extraction using voxel-based mode. Although I can get the feature maps (.nrrd files), I can’t find a way to get each voxel’s values (radiomic feature). I need those values in a .c…

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## [Slicer v. 5.6.0. Radiomics-module error while extracting features?](https://discourse.slicer.org/t/slicer-v-5-6-0-radiomics-module-error-while-extracting-features/33280)

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**Author:** [@Magnus](https://discourse.slicer.org/u/Magnus)\
**Replies:** 5\
**Last updated:** [December 7, 2023, 2:26pm UTC](https://discourse.slicer.org/t/slicer-v-5-6-0-radiomics-module-error-while-extracting-features/33280 "2023-12-07T14:26:05Z")

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Hello, Updated slicer to the latest version (5.6.0). Now I get an error while trying to extract radiomic features using the Radiomics module. See following error message. What can I do? \[2023-12-07 09:15:38\] I: radiomi…

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## [Location of "SlicerRadiomics" output in 3D Slicer](https://discourse.slicer.org/t/location-of-slicerradiomics-output-in-3d-slicer/20028)

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**Author:** [@Sari\_Khalil](https://discourse.slicer.org/u/Sari_Khalil)\
**Replies:** 4\
**Last updated:** [December 5, 2023, 9:21pm UTC](https://discourse.slicer.org/t/location-of-slicerradiomics-output-in-3d-slicer/20028 "2023-12-05T21:21:26Z")

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I’m a new user of 3D slicer and my goal is to extract radiomic features using the “SlicerRadiomics” extension. I don’t know where the output table for these features is being saved. As you can see in the screenshot, I ha…

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## [How do I know what bin length I should be using?](https://discourse.slicer.org/t/how-do-i-know-what-bin-length-i-should-be-using/33164)

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**Author:** [@WilliamSchalley](https://discourse.slicer.org/u/WilliamSchalley)\
**Replies:** 0\
**Last updated:** [December 1, 2023, 4:50pm UTC](https://discourse.slicer.org/t/how-do-i-know-what-bin-length-i-should-be-using/33164 "2023-12-01T16:50:52Z")

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I am trying to incorporate radiomics into some MRI lung images and wondering if anyone has advice on what bin length I should be using? Or how do I find the best bin length to use? Any and all feedback is appreciated!

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## [Gray Level Co-occurrence Matrix](https://discourse.slicer.org/t/gray-level-co-occurrence-matrix/32673)

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**Author:** [@foursheep](https://discourse.slicer.org/u/foursheep)\
**Replies:** 0\
**Last updated:** [November 8, 2023, 2:09pm UTC](https://discourse.slicer.org/t/gray-level-co-occurrence-matrix/32673 "2023-11-08T14:09:04Z")

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Hi, I am preparing to extract the features of the outer circular region of the ROI. Can I directly input the circular ROI to obtain GLCM Features?

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## [No table showed after radiomic features in slicer](https://discourse.slicer.org/t/no-table-showed-after-radiomic-features-in-slicer/32363)

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**Author:** [@fxzhu94](https://discourse.slicer.org/u/fxzhu94)\
**Replies:** 0\
**Last updated:** [October 21, 2023, 12:42pm UTC](https://discourse.slicer.org/t/no-table-showed-after-radiomic-features-in-slicer/32363 "2023-10-21T12:42:30Z")

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as shown in the pic, no data could be extracted in radiomics feature…could anyone help me?

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## [DICOM to NRRD conversion in command line (for PyRadiomics)](https://discourse.slicer.org/t/dicom-to-nrrd-conversion-in-command-line-for-pyradiomics/32306)

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**Author:** [@marcin.jakalski](https://discourse.slicer.org/u/marcin.jakalski)\
**Replies:** 1\
**Last updated:** [October 18, 2023, 5:50pm UTC](https://discourse.slicer.org/t/dicom-to-nrrd-conversion-in-command-line-for-pyradiomics/32306 "2023-10-18T17:50:25Z")

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Hello! I would like to recreate some of the functionality of 3D Slicer in command line for batch analysis of several hundred of patients’ images. I have a set of DICOM images along with their segmentations. For these I w…

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## [Kernal Crash when extracting voxel based feature map for Wavelet filtered images](https://discourse.slicer.org/t/kernal-crash-when-extracting-voxel-based-feature-map-for-wavelet-filtered-images/32011)

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**Author:** [@nsrao48](https://discourse.slicer.org/u/nsrao48)\
**Replies:** 0\
**Last updated:** [October 3, 2023, 1:43pm UTC](https://discourse.slicer.org/t/kernal-crash-when-extracting-voxel-based-feature-map-for-wavelet-filtered-images/32011 "2023-10-03T13:43:38Z")

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Hi, I was trying to visualize the radiomic features using Voxel based feature map. I am able to extract the feature map for other filtered images except wavelet. Its crashing the kernel. Is it a known issue ? yaml file …

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## [Do we need to create an isotropic image in radiomics study?](https://discourse.slicer.org/t/do-we-need-to-create-an-isotropic-image-in-radiomics-study/1779)

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**Author:** [@MimiPoon](https://discourse.slicer.org/u/MimiPoon)\
**Replies:** 4\
**Last updated:** [September 2, 2023, 11:15am UTC](https://discourse.slicer.org/t/do-we-need-to-create-an-isotropic-image-in-radiomics-study/1779 "2023-09-02T11:15:45Z")

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Hi, As medical images are usually anisotropic images, do we need to convert images to isotropic ones for the purpose of texture analysis? Does Radiomics module take care of it? If it is needed to convert the images, wh…

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## [Creating contours from radiomic features](https://discourse.slicer.org/t/creating-contours-from-radiomic-features/28541)

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**Author:** [@Zeynep\_Cetin](https://discourse.slicer.org/u/Zeynep_Cetin)\
**Replies:** 1\
**Last updated:** [March 24, 2023, 4:35am UTC](https://discourse.slicer.org/t/creating-contours-from-radiomic-features/28541 "2023-03-24T04:35:12Z")

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I want to contour the lung according to the Radiomics feature results. Is there a tool for me to do this? Or will I have to use Pyradiomics? Thanks.

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## [Radiomics stability analysis](https://discourse.slicer.org/t/radiomics-stability-analysis/22682)

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**Author:** [@JonasB](https://discourse.slicer.org/u/JonasB)\
**Replies:** 1\
**Last updated:** [March 19, 2023, 7:15pm UTC](https://discourse.slicer.org/t/radiomics-stability-analysis/22682 "2023-03-19T19:15:41Z")

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Hi, I am currently searching for a good method to test for radiomics feature stability. Unfortionetly, I do not have the opportunity to do a test-retesting as I am working with retrospective data. Is there any good me…

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## [SlicerRT Defining Margins](https://discourse.slicer.org/t/slicerrt-defining-margins/20776)

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**Author:** [@Maharshi\_Panchal](https://discourse.slicer.org/u/Maharshi_Panchal)\
**Replies:** 5\
**Last updated:** [February 10, 2023, 11:53am UTC](https://discourse.slicer.org/t/slicerrt-defining-margins/20776 "2023-02-10T11:53:44Z")

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Hello, Our team has been working to improve the delineation of tumors to guide better radiation planning. We have been looking at the 3DSlicer extension “SlicerRT” you created as a method of defining tumor margins, but …

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## [Multicenter MRI data for radiomics features extraction](https://discourse.slicer.org/t/multicenter-mri-data-for-radiomics-features-extraction/27448)

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**Author:** [@Amin](https://discourse.slicer.org/u/Amin)\
**Replies:** 0\
**Last updated:** [January 24, 2023, 8:52pm UTC](https://discourse.slicer.org/t/multicenter-mri-data-for-radiomics-features-extraction/27448 "2023-01-24T20:52:18Z")

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Hello I want to run pyradiomics on my MRI data with 3D slicer, Considering that my data was prepared with different devices (1.5 and 3 Tesla) and the resolution of the images is also different. Are the features extrac…

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## [A very dumb question: how do I implement a voxel-based feature extraction?](https://discourse.slicer.org/t/a-very-dumb-question-how-do-i-implement-a-voxel-based-feature-extraction/26018)

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**Author:** [@blaze\_cipher](https://discourse.slicer.org/u/blaze_cipher)\
**Replies:** 0\
**Last updated:** [November 2, 2022, 3:21am UTC](https://discourse.slicer.org/t/a-very-dumb-question-how-do-i-implement-a-voxel-based-feature-extraction/26018 "2022-11-02T03:21:53Z")

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To anyone who can help: I’ve learnt that voxel based feature extraction would generate a .nrrd file, but I can only generate a generic csv file, though in the file it showd dimensionality was 3D and voxel numbers, so ho…

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## [How to create two segmentations that are the exact same size?](https://discourse.slicer.org/t/how-to-create-two-segmentations-that-are-the-exact-same-size/24750)

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**Author:** [@MatthewVanOirschot](https://discourse.slicer.org/u/MatthewVanOirschot)\
**Replies:** 2\
**Last updated:** [August 22, 2022, 7:57am UTC](https://discourse.slicer.org/t/how-to-create-two-segmentations-that-are-the-exact-same-size/24750 "2022-08-22T07:57:30Z")

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Operating system: Windows 10 Slicer version: 4.11.20210226 Expected behavior: I am working on a radiomics project that utilizes a sphere-shaped region as the input region. The goal of the study is to determine whether…

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## [Pyradiomics, Brain MRI: How to Interpolate and remove outliers? ](https://discourse.slicer.org/t/pyradiomics-brain-mri-how-to-interpolate-and-remove-outliers/24683)

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**Author:** [@someOne](https://discourse.slicer.org/u/someOne)\
**Replies:** 0\
**Last updated:** [August 9, 2022, 6:39am UTC](https://discourse.slicer.org/t/pyradiomics-brain-mri-how-to-interpolate-and-remove-outliers/24683 "2022-08-09T06:39:36Z")

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Hello Team I was trying to extract features from brain MRI images using pyradiomics. According to this article (Page4) https://rdcu.be/cTh2N Two essential steps before the feature extraction are Interpolation to isot…

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## [Parameters file in Radiomics module](https://discourse.slicer.org/t/parameters-file-in-radiomics-module/24513)

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**Author:** [@Joyce](https://discourse.slicer.org/u/Joyce)\
**Replies:** 2\
**Last updated:** [July 28, 2022, 2:57am UTC](https://discourse.slicer.org/t/parameters-file-in-radiomics-module/24513 "2022-07-28T02:57:00Z")

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Operating system:Win 10 Slicer version:5.0.3 Expected behavior:Extract features with parameters file Actual behavior:UnicodeDecodeError Hello everyone, I want to use Radiomics module to extracrt features. I want to …

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## [Please provide a working parameters.yml file](https://discourse.slicer.org/t/please-provide-a-working-parameters-yml-file/22928)

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**Author:** [@harad](https://discourse.slicer.org/u/harad)\
**Replies:** 2\
**Last updated:** [June 22, 2022, 9:54am UTC](https://discourse.slicer.org/t/please-provide-a-working-parameters-yml-file/22928 "2022-06-22T09:54:14Z")

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Hi to everyone, I would like to produce a Parameters file for Slicerradiomics to customize the extraction of ALL image types and ALL feature classes. I found several examples of Parameter files in this forum and on GitH…

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## [Radiomics module panel is blank](https://discourse.slicer.org/t/radiomics-module-panel-is-blank/23989)

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**Author:** [@harad](https://discourse.slicer.org/u/harad)\
**Replies:** 2\
**Last updated:** [June 22, 2022, 11:51am UTC](https://discourse.slicer.org/t/radiomics-module-panel-is-blank/23989 "2022-06-22T11:51:00Z")

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Thank you. My experience in Windows is that SlicerRadiomics is available in list of extensions and installs in all 3D Slicer versions, always shows up in INFORMATICS, but does not work in any version later than 4.10. Wh…

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## [N4ITK filter Question](https://discourse.slicer.org/t/n4itk-filter-question/23802)

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**Author:** [@Josefa\_Garcia](https://discourse.slicer.org/u/Josefa_Garcia)\
**Replies:** 0\
**Last updated:** [June 9, 2022, 9:12pm UTC](https://discourse.slicer.org/t/n4itk-filter-question/23802 "2022-06-09T21:12:14Z")

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Hi everyone, I’m in the pre-processing imaging step of radiomics workflow, and I was wondering if the N4ITK filter is enough to correct intensity inhomogeneities and noise on MRI brain images. Thanks!

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## [What is the ideal bin width for PET radiomics?](https://discourse.slicer.org/t/what-is-the-ideal-bin-width-for-pet-radiomics/10558)

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**Author:** [@Nora](https://discourse.slicer.org/u/Nora)\
**Replies:** 4\
**Last updated:** [May 19, 2022, 2:41am UTC](https://discourse.slicer.org/t/what-is-the-ideal-bin-width-for-pet-radiomics/10558 "2022-05-19T02:41:54Z")

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Hi all, I’m trying to extract the radiomic features from PET images using Pyradiomics extension on 3DSlicer. The default settings for the binwidth is 25, however, that’s can’t calculate some features like the GLCMs. …

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## [PyRadiomics for 2D images (png or nrrd)](https://discourse.slicer.org/t/pyradiomics-for-2d-images-png-or-nrrd/6357)

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**Author:** [@MachadoL](https://discourse.slicer.org/u/MachadoL)\
**Replies:** 13\
**Last updated:** [May 17, 2022, 1:04pm UTC](https://discourse.slicer.org/t/pyradiomics-for-2d-images-png-or-nrrd/6357 "2022-05-17T13:04:11Z")

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Hi everyone, I am trying to extract radiomic features from 2D images (PNG or Nrrd) but I start to get a series of errors saying basically “3D array expected”. When I do that directly on slicer it works well. I’m using …

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## [Wavelet features with "flat region"?](https://discourse.slicer.org/t/wavelet-features-with-flat-region/22644)

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**Author:** [@Helo](https://discourse.slicer.org/u/Helo)\
**Replies:** 1\
**Last updated:** [May 3, 2022, 7:46am UTC](https://discourse.slicer.org/t/wavelet-features-with-flat-region/22644 "2022-05-03T07:46:15Z")

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Hi everyone! I am doing a feature extraction and one of the problems I am having is some “flat regions” in the wavelet features of some events (not all dataset and not always the same features), like: …

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## [Radiomics Plugin](https://discourse.slicer.org/t/radiomics-plugin/22785)

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**Author:** [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Replies:** 0\
**Last updated:** [March 31, 2022, 11:49pm UTC](https://discourse.slicer.org/t/radiomics-plugin/22785 "2022-03-31T23:49:00Z")

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Hi all, Anyone can give the demo video on how to use the Radiomics plug-in? I don’t know how to use it at all

[Next page](https://discourse.slicer.org/tag/radiomics/99.md?match_all_tags=true&page=1&tags%5B%5D=radiomics)