TomoPhantom

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TomoPhantom [1] is a toolbox written in C language to generate customisable 2D-4D phantoms (with a temporal capability) and their analytical projection data (parallel-beam geometry) for various image processing (e.g. tomographic reconstruction, denoising, deblurring, segmentation, etc.) and machine/deep learning tasks (e.g. segmentation, classification, clustering, etc.).

Master	Development	Anaconda binaries	Binder

What TomoPhantom can do:

• Generate 2D synthetic phantoms made of Gaussians, parabolas, ellipses, cones and rectangulars.
• Generate 3D synthetic phantom and 4D (temporal) extensions.
• Calculate analytical Radon transform of 2D-4D models and also their numerical projections.
• Model Gaussian or Poisson noise and some typical acquisition artifacts (zingers, rings, shifts, partial volume effect and others)
• Perform reconstructions avoiding 'Inverse Crime' using ToMoBAR, ASTRA-toolbox or TomoPy packages.

Try TomoPhantom now:

Run TomoPhantom in Binder HERE with jupyter-notebooks in Demos/Python/jupyter-notebooks

TomoPhantom prerequisites:

• Python (tested ver. 3.5-3.8); Cython OR
• MATLAB
• C compilers: GCC/MinGW/TDM-GCC/Visual Studio
• CMake (if this installation route is chosen)

Other dependencies (if the reconstruction is performed):

• ToMoBAR
• ASTRA-toolbox
• TomoPy

Installation:

Binary installation

Tomophantom is distributed as conda package for linux-64 from the ccpi channel. To install

conda install tomophantom -c ccpi

Install from sources

The package comes as a CMake project so you will need CMake (v.>=3) to configure it. Additionally you will need a C compiler, and a build tool as make (on linux). The toolkit may be used with Python and/or Matlab for which we provide wrappers. TomoPhantom's core is built as shared library and it should be possible to call it directly from C/C++, but currently no C/C++ API is available.

Prerequisites:

1. CMake >= 3.0
2. a C compiler with OpenMP
3. libm on linux
4. Cython to build the Python wrappers (optional)
5. MATLAB installation to build MATLAB wrappers (optional)

Build

1. Clone this repository to a directory, i.e. TomoPhantom,
2. create a build directory.
3. Issue cmake to configure (or cmake-gui, or cmake, or cmake3). Use additional flags to fine tune the configuration.

CMake flags

Flags used during configuration

Here an example of build on Linux:

git clone https://github.com/dkazanc/TomoPhantom.git
mkdir build
cd build
cmake ../ -DCONDA_BUILD=OFF -DMatlab_ROOT_DIR=/home/algol/matlab2016/ -DBUILD_MATLAB_WRAPPER=ON \
  -DBUILD_PYTHON_WRAPPER=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=./install
make install
# let Python find the shared library
export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:./install
# let MATLAB find the shared library and mex files
PATH="./install/matlab:$PATH" LD_LIBRARY_PATH="./install/lib:$LD_LIBRARY_PATH" matlab

See run.sh script for additional examples on build.

conda build (Python only)

git clone https://github.com/dkazanc/TomoPhantom.git
cd TomoPhantom
export CIL_VERSION=1.4.9
conda build Wrappers/Python/conda-recipe --numpy 1.15 --python 3.7
conda install -c file://${CONDA_PREFIX}/conda-bld/ tomophantom --force-reinstall

Package library modules:

• Phantom2DLibrary.dat and Phantom3DLibrary.dat are editable text files with parametrised models (2D/3D versions of Shepp-Logan, Defrise, and QRM phantoms are included). The generation of new phantoms is highly encouraged, please submit them through pull requests or via e-mail bellow.
• See MATLAB and Python demos

License:

TomoPhantom is released under Apache License v.2. Note that some demos where 'ASTRA-toolbox' is used are of GPLv3 license and also BSD-3 license for TomoPy package.

Related software projects on GitHub:

• xdesign XDesign is an open-source Python package for generating configurable simulation phantoms for benchmarking tomographic image reconstruction.
• syris Syris (synchrotron radiation imaging simulation) is a framework for simulations of X-ray absorption and phase contrast dynamic imaging experiments, like time-resolved radiography, tomography or laminography.

References:

[1] D. Kazantsev et al. 2018, TomoPhantom, a software package to generate 2D-4D analytical phantoms for CT image reconstruction algorithm benchmarks, Software X, Volume 7, January–June 2018, Pages 150–155

[2] D. Kazantsev, V. Pickalov "New iterative reconstruction methods for fan-beam tomography", IPSE, 2017

Applications:

• TOmographic MOdel-BAsed Reconstruction (ToMoBAR)
• Joint image reconstruction method with correlative multi-channel prior for X-ray spectral computed tomography
• Deep learning segmentation of synthetic tomographic data using Pytorch U-net

Software related questions/comments please e-mail to Daniil Kazantsev at [email protected]