Author

Chunhui Li

2 papers indexed here

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Preprint Aug 2026

Toward CT-Equivalent Image Quality in Low-Dose Radiotherapy Planning: Conditional Diffusion-Based CBCT-to-CT Synthesis and the Impact of CBCT Input Representation

This study develops a supervised deep learning based CBCT to CT synthesis framework using a conditional denoising diffusion probabilistic model (DDPM), where the generation of a CT-based planning for accurate positioning and dose calculation is obtained using generative models with low dose CBCT imaging.

Alzahra Altalib, Chunhui Li, Christopher Hamill Taylor et al. · 1 citation

#artificial intelligence May 2026

EPC-3D-Diff: Equivariant Physics Consistent Conditional 3D Latent Diffusion for CBCT to CT Synthesis

EPC-3D-Diff improves robustness and physics consistency, supporting HU aware synthesis for downstream radiotherapy workflows, and generalizes well, achieving substantial improvements in robustness and physics consistency.

Alzahra Altalib, Chunhui Li, Haytham Al Ewaidat et al. · arXiv.org · 1 citation