update installation instructions

README.md

@@ -16,8 +16,33 @@ Repository for the code to replicate the paper of Shi et al. with our SPECT/CT S
 | Reconstruction Shape  |                       64x64x64 |                        51x128x128 |
 | Voxel Size            |                 6.8x6.8x6.8 mm³|                   4.8x4.8x4.8 mm³ |
 
+
 ## Open Questions
 
 ## References
 * `Shi et al. "Deep learning-based attenuation map generation for myocardial perfusion SPECT". 2020 In: European Journal of Nuclear Medicine and Molecular Imaging 47.10`
   * [DOI: 10.1007/s00259-020-04746-6](www.doi.org/10.1007/s00259-020-04746-6)
+
+## Install
+Install libraries for tomographic reconstruction:
+
+### NiftyRec
+* `mkdir libs`
+* `cd libs`
+* `git clone https://github.com/TomographyLab/NiftyRec`
+* `cd NiftyRec`
+* `git checkout 5329496`
+* `cp README.md README.txt` - this file is needed by cmake
+* `mkdir build`
+* `cd build`
+* `ccmake ..` - turn of the volume renderer
+* `make -j 8`
+* `make package`
+* `sudo dpkg -i NiftyRec-3.1.0-Linux-x86_64.deb`
+
+### TomoLab
+Make sure your python virtual environment is active for this.
+* `mkdir libs`
+* `cd libs`
+* `git clone https://github.com/TomographyLab/TomoLab`
+* `git checkout 86b9a58`