


Supports the synthesis of one-minute high-definition videos. Huake et al. proposed a new framework for human dancing video generation, UniAnimate.

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diffusion model (Diffusion model)
First, they require an additional reference network (ReferenceNet) To encode the reference image features and visually align them with the backbone branches of 3D-UNet, which increases the training difficulty and model parameters; second, they usually use temporal Transformer to model the temporal dependence between video frames, but the Transformer The computational relationship between complexity and the length of generated time becomes quadratic, which limits the timing length of generated videos
UniAnimate framework to achieve efficient and long-term Human video generation
- Project homepage: https://unianimate.github.io/
Method Introduction
Unified Video Diffusion Model (Unified Video Diffusion Model)
No need for additional reference networks: The UniAnimate framework enables unified video The diffusion model eliminates the dependence on additional reference networks and reduces the training difficulty and the number of model parameters. The pose map of the reference image is introduced as an additional reference condition, which promotes the network to learn the correspondence between the reference pose and the target pose, and achieves a good appearance Alignment. Generate long sequence videos within a unified framework: By adding a unified noise input, UniAnimate is able to generate long-term videos within a frame, no longer subject to traditional methods time limit. Highly consistent: The UniAnimate framework ensures the smooth transition effect of the generated video by iteratively using the first frame as a condition to generate subsequent frames, making the video More consistent and coherent in appearance. This strategy also allows users to generate multiple video clips and select the last frame of the clip with good results as the first frame of the next generated clip, making it easier for users to interact with the model and adjust the generation results as needed. However, when generating long videos using the sliding window strategy of previous time series overlap, segment selection cannot be performed because each video is coupled to each other in each step of the diffusion process.


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