CBCT Reconstruction – Curated Tools & Resources

A cleaned and structured collection of CBCT (Cone-Beam CT) reconstruction–related open-source tools, frameworks, and research projects.

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🌀 General CBCT Reconstruction Frameworks

Name	Description
TIGRE	GPU-accelerated CBCT reconstruction toolbox (FDK, OS-SART, iterative methods). MATLAB & Python APIs.
ASTRA Toolbox	Widely used tomography toolbox with CPU/GPU backends, Python & MATLAB interfaces.
CIL	High-level Python framework built on ASTRA/TIGRE; supports advanced optimization and regularization.
CCPi Regularisation Toolkit	TV/TGV/NLL and other advanced regularizers; integrates with CIL.
RTK	ITK-based C++/Python toolkit for CBCT reconstruction; industry- and research-grade.
LEAP	Livermore AI Projector for CT, supporting physics-aware and learning-based approaches.
cbctrecon	Educational Python implementation of FDK and SART algorithms.
PyTomography	Lightweight Python framework for tomography research and teaching.

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🛠️ Geometry Calibration & System Correction

Name	Description
CBCTCalibration	Phantom-free CBCT geometric calibration tools (Python).
GeometricalSelf-Calibration	Least-squares–based self-calibration with visualization.
CtCalib	Python-based cone-beam CT geometric calibration.
geometric_calibration	Template-fitting-based calibration for experimental CBCT systems.
geometry_gradients_CT	Studies reconstruction sensitivity to geometry perturbations.
detector-calibration	Detector gain/offset calibration, useful for low-dose imaging.
offset-cone-beam-CT-reconstruction	Reconstruction with detector/orbit offsets and non-central trajectories.

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🎯 Advanced, Dynamic & Engineering-Focused Projects

Name	Description
FORCASTER	C++/CUDA framework for dynamic and time-dependent tomography.
KCT_cbct	End-to-end CBCT system: acquisition, calibration, and reconstruction.
CT-Recon	Educational CT reconstruction algorithms and experiments.
helix2fan	Helical-to-fan-beam rebinning utilities.
mirt	Michigan Image Reconstruction Toolbox (classic iterative reconstruction).

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🤖 Deep Learning–Based Reconstruction & Artifact Reduction

Name	Description
LION	Learning-based CBCT reconstruction and calibration (Cambridge CIA).
ArtifactReduction	Deep-learning framework for scatter and metal artifact reduction.
PYRO-NN	Neural-network-based tomographic reconstruction methods.

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☢️ X-ray Physics, Simulation & Scatter Modeling

Name	Description
XrayPhysics	X-ray spectra, attenuation, detector response models.
VirtualCBCT	Virtual CBCT projection and reconstruction simulation environment.
VirtualCT	CT system simulation for algorithm development and validation.
openSSS	Open-source single-scatter simulation tools.
MCNP	Monte Carlo N-Particle code for radiation transport (gold standard).
OpenMC	Modern open-source Monte Carlo particle transport simulation.

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🖥️ Visualization & User Interfaces

Name	Description
LEAPCT-UI-GUI	GUI frontend for LEAP CT reconstruction workflows.

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📚 Collections & Surveys

Name	Description
Awesome-CT-Reconstruction	Curated list of CT reconstruction papers, datasets, and codebases.

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🔍 Suggested Usage Guide

• Algorithm research / GPU FDK & iterative methods: TIGRE, ASTRA, RTK
• Physics-aware or Monte Carlo scatter modeling: OpenMC, MCNP, XrayPhysics
• Geometry calibration & system debugging: CtCalib, CBCTCalibration
• Deep learning reconstruction / artifact reduction: LION, PYRO-NN
• Custom engineering systems: KCT_cbct, FORCASTER