# \#ct

**URL:** https://castor-project.discourse.group/tag/ct/3.md

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## [CT reconstruction and blank measurements](https://castor-project.discourse.group/t/ct-reconstruction-and-blank-measurements/779)

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**Author:** [@savvidis](https://castor-project.discourse.group/u/savvidis)\
**Replies:** 4\
**Last updated:** [August 20, 2025, 1:10pm UTC](https://castor-project.discourse.group/t/ct-reconstruction-and-blank-measurements/779 "2025-08-20T13:10:49Z")

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Dear Castor users, I am working on CT reconstruction with Castor using GATE simulations, and I would like to incorporate the blank measurements in my .cdf file. I have the projections for each angle (with my phantom) an…

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## [Ct Reconstruction and attenuation factors](https://castor-project.discourse.group/t/ct-reconstruction-and-attenuation-factors/750)

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**Author:** [@savvidis](https://castor-project.discourse.group/u/savvidis)\
**Replies:** 0\
**Last updated:** [March 13, 2024, 1:30pm UTC](https://castor-project.discourse.group/t/ct-reconstruction-and-attenuation-factors/750 "2024-03-13T13:30:49Z")

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Hi everyone, I am working with CT histogram-mode simulations with GATE toolkit, and I would like to incorporate attenuation and normalization correction factors when I implement the reconstruction. My question is, does …

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## [How to convert LOR data to Sinogram data for plane PET Modules?](https://castor-project.discourse.group/t/how-to-convert-lor-data-to-sinogram-data-for-plane-pet-modules/407)

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**Author:** [@atiqchep](https://castor-project.discourse.group/u/atiqchep)\
**Replies:** 0\
**Last updated:** [September 21, 2022, 7:19am UTC](https://castor-project.discourse.group/t/how-to-convert-lor-data-to-sinogram-data-for-plane-pet-modules/407 "2022-09-21T07:19:41Z")

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Dear users, I am working on image reconstruction of the plane PET module prototype. I get the LOR positions for coincidences on each detector. I have attached the geometric view of my detector geometry. What I have, is…