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Training and sampling scheme of the proposed methods. (a) During the multi-slice BBDM training, a target histogram-based style key is injected into the U-Net. (b) Target volume sampling proceeds in the manner of the Predictor-Corrector method. - During the co-prediction phase, multiple $\bm{\epsilon}^{i,k}_{\theta,t}$ are employed to establish connections among the predicted slices within $\bm{\bar{X}}_{t-1}$. + During the co-prediction phase, multiple ${\epsilon}^{i,k}_{\theta,t}$ are employed to establish connections among the predicted slices within ${\bar{X}}_{t-1}$. In the subsequent correction phase, the co-predicted volume is refined through a score-guided deterministic process.
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