# \#gel-dosimetry

**URL:** https://discourse.slicer.org/tag/gel-dosimetry/380.md

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## [Error when Performing Registration in Slicelets \> Gel Dosimetry Analysis](https://discourse.slicer.org/t/error-when-performing-registration-in-slicelets-gel-dosimetry-analysis/35478)

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**Author:** [@sieunmiin96](https://discourse.slicer.org/u/sieunmiin96)\
**Replies:** 1\
**Last updated:** [April 30, 2024, 12:10pm UTC](https://discourse.slicer.org/t/error-when-performing-registration-in-slicelets-gel-dosimetry-analysis/35478 "2024-04-30T12:10:59Z")

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I’m trying to perform gamma analysis of my data, but every time I press perform registration in 2.1 Register planning CT to CBCT of Gel Dosimetry Analysis under Slicelet, nothing happens and the loading icon by the mouse…

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## [VFF Import Errors](https://discourse.slicer.org/t/vff-import-errors/15532)

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**Author:** [@SmHoop](https://discourse.slicer.org/u/SmHoop)\
**Replies:** 13\
**Last updated:** [February 12, 2024, 10:29am UTC](https://discourse.slicer.org/t/vff-import-errors/15532 "2024-02-12T10:29:39Z")

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Hello, I am attempting to import a .vff file I have created from a .mat cube (170x170x182), which is an optical CT reconstruction (through matlab iradon). I am using matlab file to convert my .mat file into .vff. I can …

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## [3D gel dosimetry - Slicelets: Calibration issue](https://discourse.slicer.org/t/3d-gel-dosimetry-slicelets-calibration-issue/22524)

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**Author:** [@Kawtar\_Lakrad](https://discourse.slicer.org/u/Kawtar_Lakrad)\
**Replies:** 6\
**Last updated:** [April 4, 2022, 11:26am UTC](https://discourse.slicer.org/t/3d-gel-dosimetry-slicelets-calibration-issue/22524 "2022-04-04T11:26:56Z")

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Operating system: windows 11 Slicer version: 4:13 I am having issue with the calibration; it is like if it is not applying the equation I am working with. Do you have any idea about this issue? Thank you.

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## [Gel Dosimetry Slicelet - Calibration](https://discourse.slicer.org/t/gel-dosimetry-slicelet-calibration/15739)

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**Author:** [@SmHoop](https://discourse.slicer.org/u/SmHoop)\
**Replies:** 5\
**Last updated:** [February 7, 2021, 7:57pm UTC](https://discourse.slicer.org/t/gel-dosimetry-slicelet-calibration/15739 "2021-02-07T19:57:56Z")

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@cpinter Hi, In the calibration step of the slicelet (from the Wiki) I see step 10: Get mean optical densities from the central cylinder of the CALIBRATION volume Must a MeV irradiation be performed down the central…

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## [Exporting MATLAB data for gel dosimetry](https://discourse.slicer.org/t/exporting-matlab-data-for-gel-dosimetry/14573)

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**Author:** [@SmHoop](https://discourse.slicer.org/u/SmHoop)\
**Replies:** 4\
**Last updated:** [December 14, 2020, 6:40pm UTC](https://discourse.slicer.org/t/exporting-matlab-data-for-gel-dosimetry/14573 "2020-12-14T18:40:21Z")

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Hi there, I am running an in-house MATLAB program to reconstruct optical CT files. The only options this program has to save the reconstructions are “save as type: All MATLAB files” or “export cube” which generates a .r…