تقرير
LLM-grounded Video Diffusion Models
العنوان: | LLM-grounded Video Diffusion Models |
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المؤلفون: | Lian, Long, Shi, Baifeng, Yala, Adam, Darrell, Trevor, Li, Boyi |
سنة النشر: | 2023 |
المجموعة: | Computer Science |
مصطلحات موضوعية: | Computer Science - Computer Vision and Pattern Recognition, Computer Science - Artificial Intelligence, Computer Science - Computation and Language |
الوصف: | Text-conditioned diffusion models have emerged as a promising tool for neural video generation. However, current models still struggle with intricate spatiotemporal prompts and often generate restricted or incorrect motion. To address these limitations, we introduce LLM-grounded Video Diffusion (LVD). Instead of directly generating videos from the text inputs, LVD first leverages a large language model (LLM) to generate dynamic scene layouts based on the text inputs and subsequently uses the generated layouts to guide a diffusion model for video generation. We show that LLMs are able to understand complex spatiotemporal dynamics from text alone and generate layouts that align closely with both the prompts and the object motion patterns typically observed in the real world. We then propose to guide video diffusion models with these layouts by adjusting the attention maps. Our approach is training-free and can be integrated into any video diffusion model that admits classifier guidance. Our results demonstrate that LVD significantly outperforms its base video diffusion model and several strong baseline methods in faithfully generating videos with the desired attributes and motion patterns. Comment: ICLR 2024. Project Page: https://llm-grounded-video-diffusion.github.io/ |
نوع الوثيقة: | Working Paper |
URL الوصول: | http://arxiv.org/abs/2309.17444 |
رقم الأكسشن: | edsarx.2309.17444 |
قاعدة البيانات: | arXiv |
الوصف غير متاح. |