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Zi-Qi Jiang

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#machine learning Preprint Oct 2026

Smoother Flow Matching via Contrastive Trajectory Repulsion

Trajectory crossing remains a critical bottleneck in Flow Matching (FM), and previous works typically view these crossings from a theoretical optimization perspective causing velocity averaging. They attempt to address it indirectly by post-hoc distillation or endpoint coupling, without explicitly regulating the interm...

Zi-Qi Jiang, Zhen-Qi He, Long Chen · 0 citations
#artificial intelligence Preprint Mar 2026

Adaptive Weighted h-Transform Sampling for Coarse-Guided Visual Generation

A novel guided method is proposed by using the h-transform, a tool that can constrain stochastic processes (e.g., sampling process) under desired conditions and modify the transition probability at each sampling timestep by adding to the original differential equation with a drift function, which approximately steers t...

Yanghao Wang, Zi-Qi Jiang, Zhen Wang et al. · 3 citations · ⚡1

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