Author

Jiaqi Feng

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Preprint Aug 2026

Stream4D: 4D-Consistency for Streaming Autoregressive Diffusion Video Models

This work replaces the static critic with a feed-forward 4D reconstruction reward that explicitly models scene dynamics, allowing coherent motion to receive high consistency rewards, and adds a motion prior that rewards natural scene-flow magnitude while penalizing jitter and non-rigid artifacts.

Yuanhao Ban, Jiaqi Feng, Hengguang Zhou et al. · 0 citations