# \#spect **URL:** https://castor-project.discourse.group/tag/spect/2.md [Latest](https://castor-project.discourse.group/latest.md) · [Categories](https://castor-project.discourse.group/categories.md) · [Tags](https://castor-project.discourse.group/tags.md) --- ## [Ring articact in SPECT reconstruction](https://castor-project.discourse.group/t/ring-articact-in-spect-reconstruction/1328)
**Author:** [@savvidis](https://castor-project.discourse.group/u/savvidis)\ **Replies:** 1\ **Last updated:** [January 15, 2026, 8:32pm UTC](https://castor-project.discourse.group/t/ring-articact-in-spect-reconstruction/1328 "2026-01-15T20:32:06Z")
Dear Castor users, I am trying to reconstruct simulated data of SPECT system of two heads. During the reconstruction process, I observe: with low-statistics data the reconstructed images appear as expected. with highe… --- ## [Installation od castor on windows](https://castor-project.discourse.group/t/installation-od-castor-on-windows/907)
**Author:** [@viraj2305](https://castor-project.discourse.group/u/viraj2305)\ **Replies:** 6\ **Last updated:** [October 16, 2024, 12:55pm UTC](https://castor-project.discourse.group/t/installation-od-castor-on-windows/907 "2024-10-16T12:55:08Z")
please help regarding installation of castor on windows to use sm2castor to reconstruct spect projection generated by simind --- ## [Problems about SPECT](https://castor-project.discourse.group/t/problems-about-spect/578)
**Author:** [@yuanhang](https://castor-project.discourse.group/u/yuanhang)\ **Replies:** 0\ **Last updated:** [July 9, 2023, 1:02pm UTC](https://castor-project.discourse.group/t/problems-about-spect/578 "2023-07-09T13:02:39Z")
Dear castor users, Can I use the Gateroottocastor program in Castor to directly convert SPECT data simulated by GATE? I used Gatemactogeom to generate the parameters for the SPECT system, and then used the data conversi… --- ## [What is different Full package: CASToR\_v3.1.1 and Binaries only: CASToR\_v3.1.1\_bin](https://castor-project.discourse.group/t/what-is-different-full-package-castor-v3-1-1-and-binaries-only-castor-v3-1-1-bin/502)
**Author:** [@akmal871026](https://castor-project.discourse.group/u/akmal871026)\ **Replies:** 0\ **Last updated:** [April 26, 2023, 11:55pm UTC](https://castor-project.discourse.group/t/what-is-different-full-package-castor-v3-1-1-and-binaries-only-castor-v3-1-1-bin/502 "2023-04-26T23:55:33Z")
Dear Sir, What is the difference between Full package: CASToR\_v3.1.1 and Binaries only: CASToR\_v3.1.1\_bin? Which one should I download and used for the SIMIND program using the smc2castor prompt? --- ## [Qusetions for SPECT reconstruction](https://castor-project.discourse.group/t/qusetions-for-spect-reconstruction/474)
**Author:** [@skykkm](https://castor-project.discourse.group/u/skykkm)\ **Replies:** 3\ **Last updated:** [February 28, 2023, 2:04am UTC](https://castor-project.discourse.group/t/qusetions-for-spect-reconstruction/474 "2023-02-28T02:04:04Z")
Dear Castor users, I am trying to use Castor for the SPECT/CT reconstruction. I performed GATE simulation to generate a root file with my own voxelized phantom and activity. I have two questions about using Castor wit… --- ## [Castor and Simind](https://castor-project.discourse.group/t/castor-and-simind/448)
**Author:** [@federica](https://castor-project.discourse.group/u/federica)\ **Replies:** 2\ **Last updated:** [December 14, 2022, 1:24pm UTC](https://castor-project.discourse.group/t/castor-and-simind/448 "2022-12-14T13:24:44Z")
Hello, I am Federica a medical physicist. I am using simind for simulations but I am having problems with image reconstruction. For example, if I do the reconstruction of the Jaszac phantom (file jaszac\_leo\_salida.h00, … --- ## [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)
**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")
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… --- ## [Error castor reconstruction SIMIND](https://castor-project.discourse.group/t/error-castor-reconstruction-simind/404)
**Author:** [@akmal871026](https://castor-project.discourse.group/u/akmal871026)\ **Replies:** 1\ **Last updated:** [September 19, 2022, 9:09am UTC](https://castor-project.discourse.group/t/error-castor-reconstruction-simind/404 "2022-09-19T09:09:35Z")
Dear Dr, Please help me… I was run this code to recon my images, C:\\simind\>smc2castor mdp\_ect1.h00 ect/run But I got the Error below: C:\\simind\>castor-recon -df mdp\_ect1.cdh -fout ect -it 2:8 -oit 2:2 -dim 128,128,12… --- ## [Error using smc2castor](https://castor-project.discourse.group/t/error-using-smc2castor/403)
**Author:** [@akmal871026](https://castor-project.discourse.group/u/akmal871026)\ **Replies:** 0\ **Last updated:** [September 15, 2022, 8:38am UTC](https://castor-project.discourse.group/t/error-using-smc2castor/403 "2022-09-15T08:38:13Z")
Hello all, Does anyone use smc2castor in SIMIND for reconstructed SPECT images? Because I got the error, then want somebody help me. Please… --- ## [CASToR Reconstruction for SPECT](https://castor-project.discourse.group/t/castor-reconstruction-for-spect/379)
**Author:** [@sahar.25](https://castor-project.discourse.group/u/sahar.25)\ **Replies:** 11\ **Last updated:** [August 1, 2022, 6:25pm UTC](https://castor-project.discourse.group/t/castor-reconstruction-for-spect/379 "2022-08-01T18:25:42Z")
hello everyone… I am working with CASToR (RootToCastor) and imageJ/AMIDE to reconstruct my SPCT-output but i have not get the good image. i mean the result of CASToR is empty / dark ! I even use NucMed plugin on imageJ …