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The ASTRA Toolbox is a MATLAB and Python toolbox of high-performance GPU primitives for 2D and 3D tomography.

We support 2D parallel and fan beam geometries, and 3D parallel and cone beam. All of them have highly flexible source/detector positioning.

A large number of 2D and 3D algorithms are available, including FBP, SIRT, SART, CGLS.

The basic forward and backward projection operations are GPU-accelerated, and directly callable from MATLAB and Python to enable building new algorithms.

See the MATLAB and Python code samples in samples/ and onhttp://www.astra-toolbox.com/ .

Add the mex and tools subdirectories to your MATLAB path, or copy the Pythonastra module to your Python site-packages directory. We require the MicrosoftVisual Studio 2015 redistributable package. If this is not already installed onyour system, it is included as vc_redist.x64.exe in the ASTRA zip file.

Requirements:conda python environment, with 64 bit Python 3.7, 3.8 or 3.9.

There are packages available for the ASTRA Toolbox in the astra-toolboxchannel for the conda package manager. To use these, run the followinginside a conda environment.

conda install -c astra-toolbox astra-toolbox

We also provide development packages:

conda install -c astra-toolbox/label/dev astra-toolbox

Requirements: g++, boost, CUDA (8.0 or higher), Matlab (R2012a or higher)

cd build/linux./autogen.sh   # when building a git version./configure --with-cuda=/usr/local/cuda \            --with-matlab=/usr/local/MATLAB/R2012a \            --prefix=$HOME/astra \            --with-install-type=modulemakemake install

Add $HOME/astra/matlab and its subdirectories (tools, mex) to your matlab path.

If you want to build the Octave interface instead of the Matlab interface,specify --enable-octave instead of --with-matlab=... . The Octave fileswill be installed into $HOME/astra/octave . On some Linux distributionsbuilding the Astra Octave interface will require the Octave development packageto be installed (e.g., liboctave-dev on Ubuntu).

NB: Each matlab version only supports a specific range of g++ versions.Despite this, if you have a newer g++ and if you get errors related to missingGLIBCXX_3.4.xx symbols, it is often possible to work around this requirementby deleting the version of libstdc++ supplied by matlab inMATLAB_PATH/bin/glnx86 or MATLAB_PATH/bin/glnxa64 (at your own risk),or setting LD_PRELOAD=/usr/lib64/libstdc++.so.6 (or similar) when startingmatlab.

Requirements: g++, boost, CUDA (8.0 or higher), Python (2.7 or 3.x)

cd build/linux./autogen.sh   # when building a git version./configure --with-cuda=/usr/local/cuda \            --with-python \            --with-install-type=modulemakemake install

This will install Astra into your current Python environment.

Requirements: g++, boost, CUDA (8.0 or higher)

cd build/linux./autogen.sh   # when building a git version./configure --with-cuda=/usr/local/cudamakemake install-dev

This will install the Astra library and C++ headers.

Use the Homebrew package manager to install boost, libtool, autoconf, automake.

cd build/linux./autogen.shCPPFLAGS="-I/usr/local/include" NVCCFLAGS="-I/usr/local/include" ./configure \  --with-cuda=/usr/local/cuda \  --with-matlab=/Applications/MATLAB_R2016b.app \  --prefix=$HOME/astra \  --with-install-type=modulemakemake install

Requirements: Visual Studio 2015 (full or community), boost (recent), CUDA 9.0,Matlab (R2012a or higher) and/or WinPython 3.x.

Using the Visual Studio IDE:

Set the environment variable MATLAB_ROOT to your matlab install location.Copy boost headers to lib\include\boost, and boost libraries to lib\x64.Open astra_vc14.sln in Visual Studio.Select the appropriate solution configuration (typically Release_CUDA|x64).Build the solution.Install by copying AstraCuda64.dll and all .mexw64 files frombin\x64\Release_CUDA and the entire matlab/tools directory to a directoryto be added to your matlab path.

Using .bat scripts in build\msvc:

Edit build_env.bat and set up the correct directories.Run build_setup.bat to automatically copy the boost headers and libraries.For matlab: Run build_matlab.bat. The .dll and .mexw64 files will be in bin\x64\Release_Cuda.For python 3.9: Run build_python39.bat. Astra will be directly installed into site-packages.

To perform a (very) basic test of your ASTRA installation in Python, you canrun the following Python command.

import astraastra.test()

To test your ASTRA installation in Matlab, the equivalent command is:

astra_test

If you use the ASTRA Toolbox for your research, we would appreciate it if you would refer to the following papers:

W. van Aarle, W. J. Palenstijn, J. Cant, E. Janssens, F. Bleichrodt, A. Dabravolski, J. De Beenhouwer, K. J. Batenburg, and J. Sijbers, “Fast and Flexible X-ray Tomography Using the ASTRA Toolbox”, Optics Express, 24(22), 25129-25147, (2016),http://dx.doi.org/10.1364/OE.24.025129

W. van Aarle, W. J. Palenstijn, J. De Beenhouwer, T. Altantzis, S. Bals, K. J. Batenburg, and J. Sijbers, “The ASTRA Toolbox: A platform for advanced algorithm development in electron tomography”, Ultramicroscopy, 157, 35–47, (2015),http://dx.doi.org/10.1016/j.ultramic.2015.05.002

Additionally, if you use parallel beam GPU code, we would appreciate it if you would refer to the following paper:

W. J. Palenstijn, K J. Batenburg, and J. Sijbers, "Performance improvements for iterative electron tomography reconstruction using graphics processing units (GPUs)", Journal of Structural Biology, vol. 176, issue 2, pp. 250-253, 2011,http://dx.doi.org/10.1016/j.jsb.2011.07.017

The ASTRA Toolbox is open source under the GPLv3 license.

email:astra@astra-toolbox.comwebsite:http://www.astra-toolbox.com/

Copyright: 2010-2021, imec Vision Lab, University of Antwerp2014-2021, CWI, Amsterdamhttp://visielab.uantwerpen.be/ andhttp://www.cwi.nl/