Long-Context Autoregressive Video Modeling with Next-Frame Prediction

• URL: http://arxiv.org/abs/2503.19325v2
• Date: Thu, 17 Apr 2025 15:26:04 GMT
• Title: Long-Context Autoregressive Video Modeling with Next-Frame Prediction
• Authors: Yuchao Gu, Weijia Mao, Mike Zheng Shou,
• Abstract summary: We introduce Frame AutoRegressive (FAR), a strong baseline for video autoregressive modeling.<n>Building on FAR, we observe that long-context video modeling faces challenges due to visual redundancy.<n>We propose balancing locality and long-range dependency through long short-term context modeling.
• Score: 17.710915002557996
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Long-context autoregressive modeling has significantly advanced language generation, but video generation still struggles to fully utilize extended temporal contexts. To investigate long-context video modeling, we introduce Frame AutoRegressive (FAR), a strong baseline for video autoregressive modeling. Just as language models learn causal dependencies between tokens (i.e., Token AR), FAR models temporal causal dependencies between continuous frames, achieving better convergence than Token AR and video diffusion transformers. Building on FAR, we observe that long-context video modeling faces challenges due to visual redundancy. Training on long videos is computationally expensive, as vision tokens grow much faster than language tokens. To tackle this issue, we propose balancing locality and long-range dependency through long short-term context modeling. A high-resolution short-term context window ensures fine-grained temporal consistency, while an unlimited long-term context window encodes long-range information using fewer tokens. With this approach, we can train on long video sequences with a manageable token context length, thereby significantly reducing training time and memory usage. Furthermore, we propose a multi-level KV cache designed to support the long short-term context modeling, which accelerating inference on long video sequences. We demonstrate that FAR achieves state-of-the-art performance in both short- and long-video generation, providing a simple yet effective baseline for video autoregressive modeling. The code is released at https://github.com/showlab/FAR.

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