Two Minute Papers · 2026-04-28 · notable
Two Minute Papers: Solved — The Bug That Haunted AI Video For Years
A persistent temporal consistency bug in AI-generated video — flickering, morphing backgrounds, and incoherent motion across frames — has been cracked by a new method, enabling stable long-form AI video generation.
The temporal flickering bug in AI video is finally solved.
What is it?
Two Minute Papers breaks down the research that eliminates the long-standing temporal consistency problem in AI video generation, where generated scenes flickered or morphed incoherently between frames.
How does it work?
The new method enforces cross-frame attention consistency and uses anchor frames to maintain scene coherence throughout a video sequence.
Why does it matter?
Temporal consistency has been the primary quality barrier for professional use of AI video tools — solving it unlocks real-world production use.