A training-free global-local skipping strategy accelerates 3D diffusion-based PET denoising by over an order of magnitude while maintaining or improving image quality across multiple tracers.
Spencer and Wei Ji and Xiongchao Chen and Qiong Liu and Xueqi Guo and Menghua Xia and Yinchi Zhou and Hui Liu and Liang Guo and Hongyu An and Ulugbek S
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Less Is More: Training-Free Acceleration Framework of 3D Diffusion Models for Low-Count PET Denoising via Global-Local Trajectory Reduction
A training-free global-local skipping strategy accelerates 3D diffusion-based PET denoising by over an order of magnitude while maintaining or improving image quality across multiple tracers.