Maintainer: ali-vilab

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Last updated 6/21/2024
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Model overview

The i2vgen-xl is a high-quality image-to-video synthesis model developed by ali-vilab. It uses a cascaded diffusion approach to generate realistic videos from input images. This model builds upon similar diffusion-based methods like consisti2v, which focuses on enhancing visual consistency for image-to-video generation. The i2vgen-xl model aims to push the boundaries of quality and realism in this task.

Model inputs and outputs

The i2vgen-xl model takes in an input image, a text prompt describing the image, and various parameters to control the video generation process. The output is a video file that depicts the input image in motion.


  • Image: The input image to be used as the basis for the video generation.
  • Prompt: A text description of the input image, which helps guide the model in generating relevant and coherent video content.
  • Seed: A random seed value that can be used to control the stochasticity of the video generation process.
  • Max Frames: The maximum number of frames to include in the output video.
  • Guidance Scale: A parameter that controls the balance between the input image and the text prompt in the generation process.
  • Num Inference Steps: The number of denoising steps used during the video generation.


  • Video: The generated video file, which depicts the input image in motion and aligns with the provided text prompt.


The i2vgen-xl model is capable of generating high-quality, coherent videos from input images. It can capture the essence of the image and transform it into a dynamic, realistic-looking video. The model is particularly effective at generating videos that align with the provided text prompt, ensuring the output is relevant and meaningful.

What can I use it for?

The i2vgen-xl model can be used for a variety of applications that require generating video content from static images. This could include:

  • Visual storytelling: Creating short video clips that bring still images to life and convey a narrative or emotional impact.
  • Product visualization: Generating videos to showcase products or services, allowing potential customers to see them in action.
  • Educational content: Transforming instructional images or diagrams into animated videos to aid learning and understanding.
  • Social media content: Creating engaging, dynamic video content for platforms like Instagram, TikTok, or YouTube.

Things to try

One interesting aspect of the i2vgen-xl model is its ability to generate videos that capture the essence of the input image, while also exploring visual elements not present in the original. By carefully adjusting the guidance scale and number of inference steps, users can experiment with how much the generated video deviates from the source image, potentially leading to unexpected and captivating results.

This summary was produced with help from an AI and may contain inaccuracies - check out the links to read the original source documents!

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