The paper fixes a hidden mistake many fast video generators were making when turning a "see-everything" model into a "see-past-only" model.
This paper shows how to make text-to-video models create clearer, steadier, and more on-topic videos without using any human-labeled ratings.
HiStream makes 1080p video generation much faster by removing repeated work across space, time, and steps.
Autoregressive (AR) models normally write one token at a time, which is accurate but slow for long answers.