超极化129Xe MRI的多模态增强去噪扩散模型研究

张明玉, 肖洒, 石胜杰, 张学成, 周欣

Research on a Multi-modal Enhanced Denoising Diffusion Model for Hyperpolarized 129Xe MRI

ZHANG Mingyu, XIAO Sa, SHI Shengjie, ZHANG Xuecheng, ZHOU Xin

图2 前向扩散逐步添加高斯噪声与逆向扩散逐步去除噪声恢复图像过程

Fig. 2 Forward diffusion progressive addition of gaussian noise and backward diffusion progressive removal of noise recovery image processes