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MSDiff: Multi-Scale Diffusion Model for Ultra-Sparse View CT Reconstruction
May 10, 2024, 4:45 a.m. | Pinhuang Tan, Mengxiao Geng, Jingya Lu, Liu Shi, Bin Huang, Qiegen Liu
cs.CV updates on arXiv.org arxiv.org
Abstract: Computed Tomography (CT) technology reduces radiation haz-ards to the human body through sparse sampling, but fewer sampling angles pose challenges for image reconstruction. Score-based generative models are widely used in sparse-view CT re-construction, performance diminishes significantly with a sharp reduction in projection angles. Therefore, we propose an ultra-sparse view CT reconstruction method utilizing multi-scale dif-fusion models (MSDiff), designed to concentrate on the global distribution of information and facilitate the reconstruction of sparse views with local …
abstract arxiv challenges construction cs.cv diffusion diffusion model eess.iv generative generative models human image performance projection sampling scale technology through type view
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