Author

Yunpeng Bai

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Preprint Jul 2026

DuSPiT: Dual-Branch Sub-Patch Pixel Diffusion Transformer

The proposed DuSPiT uses a compact base branch for efficient global reasoning and a parallel, high-capacity pixel branch, organized into subpatch groups, to preserve detailed appearance, with the two branches interacting through cross-attention.

Yunpeng Bai, Yossi Gandelsman, Michael Gharbi · 0 citations

Preprint Jul 2026

PE-Field 4D: Video Generation Models as Canvas

This work revisits the role of positional encoding in video diffusion transformers and shows that it provides a useful spatial bias for geometry-aware control, and introduces a geometry-aware cross-attention mechanism that enables target video latent tokens to attend to structured context tokens derived from reference images or frames.

Yunpeng Bai, Haoxiang Li, Qi-Xing Huang · 0 citations