# Community

**URL:** https://discourse.slicer.org/c/community/12.md?no_subcategories=false&page=39

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

**Page:** 40

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## [2020.05.19 Hangout](https://discourse.slicer.org/t/2020-05-19-hangout/11605)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 4\
**Last updated:** [May 19, 2020, 3:26pm UTC](https://discourse.slicer.org/t/2020-05-19-hangout/11605 "2020-05-19T15:26:51Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: New Slicer Logo: http…

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## [CT scans into jpg images](https://discourse.slicer.org/t/ct-scans-into-jpg-images/11361)

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**Author:** [@anitakh1](https://discourse.slicer.org/u/anitakh1)\
**Replies:** 12\
**Last updated:** [May 17, 2020, 12:49pm UTC](https://discourse.slicer.org/t/ct-scans-into-jpg-images/11361 "2020-05-17T12:49:03Z")

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hello. can you please guide me how to convert CT volume scans (.raw files) into axial, saggital and coronal jpg or ong images?

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## [lung volumes on CT scan , is it possible to calculate them?](https://discourse.slicer.org/t/lung-volumes-on-ct-scan-is-it-possible-to-calculate-them/11564)

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**Author:** [@shivaprasad\_kolur](https://discourse.slicer.org/u/shivaprasad_kolur)\
**Replies:** 5\
**Last updated:** [May 16, 2020, 6:06pm UTC](https://discourse.slicer.org/t/lung-volumes-on-ct-scan-is-it-possible-to-calculate-them/11564 "2020-05-16T18:06:42Z")

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Operating system:windows Slicer version:4.10 Expected behavior: Actual behavior:

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## [Force2D parameter when input is a 3D VOI](https://discourse.slicer.org/t/force2d-parameter-when-input-is-a-3d-voi/11467)

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**Author:** [@radio5](https://discourse.slicer.org/u/radio5)\
**Replies:** 2\
**Last updated:** [May 14, 2020, 2:34pm UTC](https://discourse.slicer.org/t/force2d-parameter-when-input-is-a-3d-voi/11467 "2020-05-14T14:34:42Z")

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Hi! I am using pyRadiomics v3.0. I have a VOI of an organ, which was created by consecutively delineating 2D ROIs on the axial plane, i.e., in each slice. I want to characterise the whole volume using radiomic features. …

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## [2020.05.12 Hangout](https://discourse.slicer.org/t/2020-05-12-hangout/11494)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [May 13, 2020, 12:28am UTC](https://discourse.slicer.org/t/2020-05-12-hangout/11494 "2020-05-13T00:28:50Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slider offset and sli…

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## [2020.05.05 Hangout](https://discourse.slicer.org/t/2020-05-05-hangout/11409)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [May 6, 2020, 12:34am UTC](https://discourse.slicer.org/t/2020-05-05-hangout/11409 "2020-05-06T00:34:45Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slicer 5 progress che…

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## [Covariate Significance Testing HELP](https://discourse.slicer.org/t/covariate-significance-testing-help/11318)

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**Author:** [@Lyndon\_Pardo](https://discourse.slicer.org/u/Lyndon_Pardo)\
**Replies:** 3\
**Last updated:** [May 2, 2020, 3:59pm UTC](https://discourse.slicer.org/t/covariate-significance-testing-help/11318 "2020-05-02T15:59:06Z")

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I am new to slicer SALT and I was trying to run this feature using sample data from Kitware Data What do I input in shape for p-values? I’m using version 2.3.0-2020-04-06. Also, when I try to select any random VTK file…

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## [Bulk scalars / statistics](https://discourse.slicer.org/t/bulk-scalars-statistics/11255)

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**Author:** [@LearningSlicerYay](https://discourse.slicer.org/u/LearningSlicerYay)\
**Replies:** 2\
**Last updated:** [April 30, 2020, 5:35pm UTC](https://discourse.slicer.org/t/bulk-scalars-statistics/11255 "2020-04-30T17:35:45Z")

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Hi everyone, I have processed my DTI and am interested in getting statistics on certain areas I made labels for. Right now I am creating each map using the “Diffusion Tensor Scalar Maps” module, and then using the Label…

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## [What threshold for lung volume on Chest Imaging Platform?](https://discourse.slicer.org/t/what-threshold-for-lung-volume-on-chest-imaging-platform/11348)

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**Author:** [@Domenico\_Zagaria](https://discourse.slicer.org/u/Domenico_Zagaria)\
**Replies:** 0\
**Last updated:** [April 29, 2020, 1:17pm UTC](https://discourse.slicer.org/t/what-threshold-for-lung-volume-on-chest-imaging-platform/11348 "2020-04-29T13:17:30Z")

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Hello to everybody! What are the % (LAA%950, LAA925%, LAA910%, etcc…) on Parenchimal analysis to obtein 100% (i.e. lung volume 5.500 L)? If I calculate the well-areated lung (-950 to -700) with Segmentation editor and …

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## [2020.04.28 Hangout](https://discourse.slicer.org/t/2020-04-28-hangout/11320)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 5\
**Last updated:** [April 28, 2020, 11:01pm UTC](https://discourse.slicer.org/t/2020-04-28-hangout/11320 "2020-04-28T23:01:51Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slicer 5 progress chec…

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## [Question on .coef output file](https://discourse.slicer.org/t/question-on-coef-output-file/10979)

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**Author:** [@hcc](https://discourse.slicer.org/u/hcc)\
**Replies:** 4\
**Last updated:** [April 27, 2020, 7:54pm UTC](https://discourse.slicer.org/t/question-on-coef-output-file/10979 "2020-04-27T19:54:39Z")

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Hello, Really like the SPHARM-PDM tool, and thanks in advance for your time with this query. I have the .coef file of coefficients, but it seems that they only contain coefficients for positive and zero m values. For e…

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## [Authorization to cite articles !!](https://discourse.slicer.org/t/authorization-to-cite-articles/11259)

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**Author:** [@Tonyale1975](https://discourse.slicer.org/u/Tonyale1975)\
**Replies:** 1\
**Last updated:** [April 27, 2020, 4:09pm UTC](https://discourse.slicer.org/t/authorization-to-cite-articles/11259 "2020-04-27T16:09:28Z")

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Dr. Joost, I am writing an article for publication in a biomedical engineering congress in Brazil, and I intend to quote and reference part (a) of figure 1 of the article: Computational Radiomics System to Decode the Ra…

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## [2020.04.21 Hangout](https://discourse.slicer.org/t/2020-04-21-hangout/11208)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 4\
**Last updated:** [April 21, 2020, 8:10pm UTC](https://discourse.slicer.org/t/2020-04-21-hangout/11208 "2020-04-21T20:10:54Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: \*Slicer 5 progress Fe…

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## [Project week 2020](https://discourse.slicer.org/t/project-week-2020/11165)

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**Author:** [@gcsharp](https://discourse.slicer.org/u/gcsharp)\
**Replies:** 4\
**Last updated:** [April 18, 2020, 3:20am UTC](https://discourse.slicer.org/t/project-week-2020/11165 "2020-04-18T03:20:17Z")

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I’m guessing Gov. Baker’s ban on gatherings will extend into June given the latest modeling. Has there been any thoughts on how to hold an effective virtual project week?

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## [2020.04.14 Hangout](https://discourse.slicer.org/t/2020-04-14-hangout/11107)

<div class="topic-metadata">

**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [April 14, 2020, 5:10pm UTC](https://discourse.slicer.org/t/2020-04-14-hangout/11107 "2020-04-14T17:10:01Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Volume rendering / re…

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## [Fibers are not well achieve in 3D Slicer but can be displayed in DTI Studio](https://discourse.slicer.org/t/fibers-are-not-well-achieve-in-3d-slicer-but-can-be-displayed-in-dti-studio/11103)

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**Author:** [@researchtomliu](https://discourse.slicer.org/u/researchtomliu)\
**Replies:** 2\
**Last updated:** [April 14, 2020, 4:27pm UTC](https://discourse.slicer.org/t/fibers-are-not-well-achieve-in-3d-slicer-but-can-be-displayed-in-dti-studio/11103 "2020-04-14T16:27:56Z")

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Dear friends, when I deal with DTI data, I found that the results of 3D slicer were different from using DTI studio. The fibers such as of internal capsule were short and fragmented in 3D slicer and they were complete in…

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## [Radiomics doesn't work on macOS Catalina](https://discourse.slicer.org/t/radiomics-doesnt-work-on-macos-catalina/11079)

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**Author:** [@Andrea\_Barucci1](https://discourse.slicer.org/u/Andrea_Barucci1)\
**Replies:** 1\
**Last updated:** [April 12, 2020, 4:08pm UTC](https://discourse.slicer.org/t/radiomics-doesnt-work-on-macos-catalina/11079 "2020-04-12T16:08:14Z")

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Dear all, I apologise if this question has already found an answer. I have not been able to find the solution to this problem. Despite the version of 3D Slicer I’m trying to run I always face the same error when tryin…

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## [Coundn't not enable correctMask](https://discourse.slicer.org/t/coundnt-not-enable-correctmask/11009)

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**Author:** [@codecrazer](https://discourse.slicer.org/u/codecrazer)\
**Replies:** 1\
**Last updated:** [April 8, 2020, 5:28am UTC](https://discourse.slicer.org/t/coundnt-not-enable-correctmask/11009 "2020-04-08T05:28:45Z")

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I have encountered the problem of image/mask mismatch, after searching on the website, it said that just add correctMask: true, the problem will be solved. However, after I add it, the problem did’t resolved. Thanks for …

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## [2020.04.07 Hangout](https://discourse.slicer.org/t/2020-04-07-hangout/11014)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [April 7, 2020, 5:27pm UTC](https://discourse.slicer.org/t/2020-04-07-hangout/11014 "2020-04-07T17:27:14Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Feel free to post to this threa…

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## [ROI registration not working](https://discourse.slicer.org/t/roi-registration-not-working/10791)

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**Author:** [@wfurquim](https://discourse.slicer.org/u/wfurquim)\
**Replies:** 12\
**Last updated:** [April 2, 2020, 12:26pm UTC](https://discourse.slicer.org/t/roi-registration-not-working/10791 "2020-04-02T12:26:49Z")

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It is not possible to perform ROI registration since selection of landmarks does not work. Did anyone find a solution to this issue?

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## [Slice by slice radiomics feature extraction](https://discourse.slicer.org/t/slice-by-slice-radiomics-feature-extraction/10964)

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**Author:** [@tenzin\_kunkyab](https://discourse.slicer.org/u/tenzin_kunkyab)\
**Replies:** 0\
**Last updated:** [April 1, 2020, 9:22pm UTC](https://discourse.slicer.org/t/slice-by-slice-radiomics-feature-extraction/10964 "2020-04-01T21:22:36Z")

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Hi developers, Is there a way to do radiomics feature extraction slice by slice from a 3D volume? best Tenzin

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## [Permission to use image from Slicer docs](https://discourse.slicer.org/t/permission-to-use-image-from-slicer-docs/10956)

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**Author:** [@Fernando](https://discourse.slicer.org/u/Fernando)\
**Replies:** 5\
**Last updated:** [April 1, 2020, 2:19pm UTC](https://discourse.slicer.org/t/permission-to-use-image-from-slicer-docs/10956 "2020-04-01T14:19:23Z")

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Hi all, I added an image I found on the Slicer Registration FAQ to the TorchIO docs, citing the source. Is that ok? Let me you know if I should add any info or if you’d like me to remove it.

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## [Assessing average displacement resulting from a linear transform](https://discourse.slicer.org/t/assessing-average-displacement-resulting-from-a-linear-transform/9318)

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**Author:** [@DTI](https://discourse.slicer.org/u/DTI)\
**Replies:** 7\
**Last updated:** [April 1, 2020, 1:01pm UTC](https://discourse.slicer.org/t/assessing-average-displacement-resulting-from-a-linear-transform/9318 "2020-04-01T13:01:17Z")

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Hi, Is there a way in Slicer to calculate the mean DTI distortion (e.g. as mean transform needed to align DTI to T2w, like the root mean square deviation). I found this: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC51…

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## [2020.03.31 Hangout](https://discourse.slicer.org/t/2020-03-31-hangout/10925)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [March 31, 2020, 2:16am UTC](https://discourse.slicer.org/t/2020-03-31-hangout/10925 "2020-03-31T02:16:02Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Agenda: Review Slicer 5 targeted issues Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-b…

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## [Problems with fibers' directions](https://discourse.slicer.org/t/problems-with-fibers-directions/10759)

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**Author:** [@doc-xie](https://discourse.slicer.org/u/doc-xie)\
**Replies:** 2\
**Last updated:** [March 25, 2020, 9:00am UTC](https://discourse.slicer.org/t/problems-with-fibers-directions/10759 "2020-03-25T09:00:48Z")

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Version: 4.11.0-2020-02-26 System: Mac MR scanner: GE, 3.0T Problem: The components of the diffusion data can be checked successfully in Volume module and the FA map can be derived with Diffusion Tensor Estimation. T…

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## [Administrative supplement to support open Source science](https://discourse.slicer.org/t/administrative-supplement-to-support-open-source-science/10821)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 1\
**Last updated:** [March 24, 2020, 9:28pm UTC](https://discourse.slicer.org/t/administrative-supplement-to-support-open-source-science/10821 "2020-03-24T21:28:54Z")

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NIH just released this. While it is only a year, might be a useful chunk of change ($150K directs) with little work for existing grant holders (NCEs can’t apply). https://grants.nih.gov/grants/guide/notice-files/NOT-OD-…

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## [2020.03.23 Hangout](https://discourse.slicer.org/t/2020-03-23-hangout/10793)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [March 24, 2020, 2:58pm UTC](https://discourse.slicer.org/t/2020-03-23-hangout/10793 "2020-03-24T14:58:13Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Agenda: Required changes to download.slicer.org Review Slicer 5 targeted issues Anyone is welcome to join to ask questions at h…

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## [DWI data denoising](https://discourse.slicer.org/t/dwi-data-denoising/10743)

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**Author:** [@Adam1122](https://discourse.slicer.org/u/Adam1122)\
**Replies:** 3\
**Last updated:** [March 21, 2020, 1:54pm UTC](https://discourse.slicer.org/t/dwi-data-denoising/10743 "2020-03-21T13:54:05Z")

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Hello all, does the current Slicer version enable to apply denoising on the DWI data? I haven´t found any DWI denoising filter. In Slicer 3.6 there were implemented 3 DWI filters ( Joint Rician, Rician and Unbiased NLM).…

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## [PET/CT DICOM data for radiomics](https://discourse.slicer.org/t/pet-ct-dicom-data-for-radiomics/10745)

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**Author:** [@Nora](https://discourse.slicer.org/u/Nora)\
**Replies:** 2\
**Last updated:** [March 19, 2020, 3:21pm UTC](https://discourse.slicer.org/t/pet-ct-dicom-data-for-radiomics/10745 "2020-03-19T15:21:44Z")

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Hi all, When I pull the PET/CT DICOM data from the PACS. I’m getting 5 different groups of series files. 3 for PET data, namely, PT HD AC, PT NC and PTQC400. 2 for CT: WB slandered and CTAC 3.75 Thick. Which ones sh…

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## [Voxel-based extraction depends on mask](https://discourse.slicer.org/t/voxel-based-extraction-depends-on-mask/10709)

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**Author:** [@geraghbj](https://discourse.slicer.org/u/geraghbj)\
**Replies:** 5\
**Last updated:** [March 17, 2020, 5:50pm UTC](https://discourse.slicer.org/t/voxel-based-extraction-depends-on-mask/10709 "2020-03-17T17:50:36Z")

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I have a case where there are multiple ROIs representing multiple lesions from a brain metastasis patient. Running a voxel-based extraction on two of these ROIs independently provides different answers than when I extrac…

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