LivePortrait In ComfyUI - A Hedra AI Alike Talking Avatar In Local PC

Future Thinker @Benji
7 Jul 202407:08

TLDRThis tutorial introduces LivePortrait, a dynamic AI-powered avatar creation tool that can animate photos to mimic real-life movements. By using implicit key points and learning from reference videos, LivePortrait can generate highly realistic facial animations in just 12.8 milliseconds. The framework offers customization options, allowing users to control specific facial features and is open-sourced on GitHub. The video demonstrates how to install the custom nodes in Comfy UI, use the LivePortrait model, and fine-tune settings for natural facial expressions, showcasing its potential for enhancing AI animation characters.

Takeaways

  • 😀 LivePortrait allows you to create dynamic talking avatars using ComfyUI locally.
  • 😀 It learns head motion from a reference video to animate a photo with real-life movements.
  • 😀 The framework uses implicit key points to understand and move facial features realistically.
  • 😀 LivePortrait learns from real videos to animate photos based on actual human movements.
  • 😀 It is fast, capable of creating animations in just 12.8 milliseconds with a high-end GPU.
  • 😀 You can control specific parts of the face for customized animations, like just animating the eyes or lips.
  • 😀 The code is available on GitHub, making it accessible for everyone to use and experiment with.
  • 😀 Installation involves adding the LivePortrait custom node in ComfyUI, downloading the refined model, and installing InsightFace.
  • 😀 Examples show how adjusting settings like retargeting for eyes and lips affects the animation quality.
  • 😀 Fine-tuning settings can enhance the detailed movements of the face for more natural animations.
  • 😀 LivePortrait can be useful for creating AI animation characters with realistic facial movements.
  • 😀 The tutorial aims to inspire users to leverage this tool for AI animations in various projects.

Q & A

  • What is LivePortrait in ComfyUI?

    -LivePortrait in ComfyUI is a framework that allows you to create dynamic talking avatars locally on your PC. It uses head motion from reference videos to make the avatars more realistic and animated.

  • How does LivePortrait generate realistic face movements?

    -LivePortrait uses implicit key points, which are invisible dots placed on important parts of the face, such as the eyes, nose, and mouth. These key points help the AI understand and replicate realistic facial movements.

  • What is the role of reference videos in LivePortrait?

    -Reference videos are used by LivePortrait to learn and replicate the motion of a real person's face. The AI uses these videos to animate a photo, making it perform the same actions as the person in the video.

  • How fast can LivePortrait create animations?

    -With the power of a high-end GPU, LivePortrait can create animations in just 12.8 milliseconds.

  • Can you control specific parts of the face with LivePortrait?

    -Yes, LivePortrait allows you to control specific parts of the face. For example, you can choose to animate just the eyes or lips.

  • Where can you find the code for LivePortrait?

    -The code for LivePortrait is available on their GitHub page.

  • What are the steps to install LivePortrait in ComfyUI?

    -First, search for and install the ComfyUI live portrait KJ custom node in the ComfyUI manager. Then, download the LivePortrait Safe Tensor model and place it in the models folder. Additionally, download and install the InsightFace library. Restart ComfyUI and install any necessary dependencies. Finally, download the example folders from the GitHub project and drag the workflow onto the ComfyUI interface.

  • What is InsightFace and why is it needed for LivePortrait?

    -InsightFace is a non-commercial face recognition library used for testing and research purposes. It is required for LivePortrait to function properly.

  • How does turning off the retargeting for eyes and lips affect the animation?

    -Turning off the retargeting for eyes and lips allows the whole facial motions to follow through naturally, using the source video's facial movements as a guideline. This results in a more realistic and detailed animation.

  • What potential uses does LivePortrait have for AI animation?

    -LivePortrait can enhance the details of facial movements in AI animation characters, making them speak and move more naturally. It can be particularly useful for producing AI movies or other projects requiring realistic facial animations.

Outlines

00:00

😀 Introduction to Live Portrait AI

This tutorial explains how to create dynamic, talking avatars using the Live Portrait feature in ComfyUI. The technology uses AI to animate photos by learning head motions from reference videos, resulting in lifelike movements similar to the moving pictures in Harry Potter. The AI places implicit key points on the face, such as eyes, nose, and mouth, to move the face realistically based on real video inputs. With a high-end GPU, these animations can be generated quickly, in just 12.8 milliseconds. The tool also allows for control over specific facial features and is available on GitHub for public use.

05:01

🔧 Setting Up ComfyUI for Live Portrait

To use the Live Portrait feature in ComfyUI, you need to install the ComfyUI Live Portrait KJ custom node via the ComfyUI manager. After installation, download the refined Live Portrait Safe Tensor model and place it in the appropriate folder. Additionally, you need to install InsightFace, a non-commercial face recognition library, and set up the necessary dependencies. Once everything is in place, restart ComfyUI and use the example workflows provided in the GitHub project to start generating animated avatars.

Mindmap

Keywords

💡ComfyUI

ComfyUI is a user interface framework that allows users to interact with the LivePortrait feature locally on their PCs. It serves as the platform through which users can install custom nodes and manage various settings related to the animation process.

💡LivePortrait

LivePortrait is an AI-driven feature that animates static photos by learning head and facial movements from reference videos. It creates dynamic and lifelike avatars that can mimic the expressions and motions of a real person, similar to the magical moving pictures in Harry Potter.

💡Implicit Key Points

Implicit key points are invisible markers that the AI places on important parts of the face, such as the eyes, nose, and mouth. These points help the AI understand how to animate the face realistically, ensuring that movements appear natural.

💡Retargeting

Retargeting refers to the process of transferring motion from a reference video to a static image. In the context of LivePortrait, it involves animating specific parts of the face, like the eyes and lips, based on the movements observed in the reference video.

💡High-end GPU

A high-end GPU (Graphics Processing Unit) is a powerful hardware component that enables rapid and efficient processing of complex graphics and animations. In the context of LivePortrait, a high-end GPU allows for quick generation of animated avatars, completing the process in just 12.8 milliseconds.

💡Custom Nodes

Custom nodes in ComfyUI are user-defined modules that extend the functionality of the LivePortrait framework. They allow users to add new features, tweak settings, and control various aspects of the animation process to achieve desired effects.

💡InsightFace

InsightFace is a face recognition library used for testing and research purposes. It is required for LivePortrait to function properly, providing the necessary algorithms for accurate face detection and motion analysis.

💡Face Animation

Face animation involves creating realistic movements and expressions on a static image of a face. In LivePortrait, this is achieved by using AI to learn from reference videos and applying the learned motions to the image, resulting in a dynamic and lifelike avatar.

💡GitHub

GitHub is a platform for hosting and sharing code repositories. The LivePortrait custom nodes and related resources are available on GitHub, allowing users to download and install the necessary components to use the feature within ComfyUI.

💡Face Recognition

Face recognition is the technology used to identify and analyze facial features. In LivePortrait, it plays a crucial role in ensuring that the animated avatar accurately reflects the movements and expressions of the person in the reference video.

Highlights

In this tutorial, we are going to generate a Hedra AI-like talking avatar in ComfyUI locally.

LivePortrait can learn head motion from a reference video, making the output avatar more dynamic.

LivePortrait brings photos to life, similar to moving pictures in Harry Potter.

It uses implicit key points to realistically move facial features like eyes, nose, and mouth.

The AI learns facial movements from real videos provided by the user.

With a high-end GPU, it can create animations in just 12.8 milliseconds.

LivePortrait allows control over specific facial parts, making it perfect for customized animations.

The code for LivePortrait is available on GitHub.

The tutorial demonstrates how to install and use the ComfyUI live portrait KJ custom node.

You need to download the LivePortrait safe tensor mod model refined for ComfyUI.

Installation of InsightFace, a non-commercial face recognition library, is required.

You need to create a 'live portrait' subfolder in the models folder for the downloaded model files.

The example workflows from the GitHub project can be used in ComfyUI to generate face avatars.

Turning off retargeting for eyes and lips makes the animation follow the whole face motions.

The AI model performs more naturally with both retargeting options off, following detailed face motions.

LivePortrait can enhance face details for AI animation characters, making them speak more naturally.

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