$Z^2$-Sampling: Zero-Cost Zigzag Trajectories for Semantic Alignment in Diffusion Models

Fuente: arXiv
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Bibliographic Details
Main Authors: Li, Haosen, Chen, Wenshuo, Liang, Shaofeng, Wang, Lei, Yuan, Kaishen, Yue, Yutao
Format: Preprint
Published: 2026
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