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京东 11.11 红包
《泰坦尼克号》- Generated By MovieDreamer
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Recent advancements in video generation have primarily leveraged diffusion models for short-duration content. However, these approaches often fall short in modeling complex narratives and maintaining character consistency over extended periods, which is essential for long-form video production like movies. Existing long video generation methods typically focus on generating a long video clip with one image or text as input, ensuring high-quality results of tens of seconds. However, it is extremely computational intensive to scale them up to generate a long video of minutes, and almost impossible for hours. We address this problem from a different perspective, namely, by generating long videos in a hierarchical way. MovieDreamer is ORTHOGONAL to existing long video generation methods, and benefits from existing long video generation methods. Moreover, our paradigm unifies long story generation and long video generation. Firstly, we surpass the existing methods in terms of the length of the generated content, both in story and video generation, while ensuring no degradation in quality. Secondly, our generation quality also exceeds the current state-of-the-art methods. Lastly, our method is highly flexible, allowing the use of some of the current high-quality closed-source video generation models to create exceptionally high-quality long videos with rich narrative, with multiple-character consistency well-preserved. Most importantly, this TITANIC is generated in a zero-shot way, which means the model has never seen it in the training data.
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