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BasisSimulator.jl: Open-source polychromatic CT simulation with a GPU-portable reconstruction stack

integration_instructionsResearch softwarekeyboard_double_arrow_right Software Under curationPublisher:Zenodo
Authors: Black, Dale; Khodajou-Chokami, Hamidreza; Molloi, Sabee;

doi: 10.5281/zenodo.22118969

BasisSimulator.jl: Open-source polychromatic CT simulation with a GPU-portable reconstruction stack

Abstract

GPU-native Julia framework for CT and photon-counting CT simulation, reconstruction, and quantitative spectral imaging. Provides exact Siddon ray-tracing forward projection, polychromatic Beer-Lambert physics with vendor-realistic detector response (MC-derived LUTs for GE Gemstone scintillator and Siemens NAEOTOM Alpha CdTe), FDK and hybrid iterative reconstruction, sinogram and image-domain beam-hardening correction, dual-kVp and PCCT material decomposition (Cong 2022, Alvarez-Macovski, PWLS), and virtual monoenergetic imaging (VMI + Grant 2014 Mono+) — all dispatching transparently across CPU, Metal, CUDA, and ROCm via AcceleratedKernels.jl.

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