LivePortrait In ComfyUI - A Hedra AI Alike Talking Avatar In Local PC
TLDRThis tutorial introduces LivePortrait, an AI-powered tool that animates photos into talking avatars, mimicking real-life head movements with impressive speed and accuracy. By using implicit key points and learning from reference videos, LivePortrait can create dynamic and realistic facial animations. The process is facilitated by a custom node in Comfy UI and requires Insight face for non-commercial face recognition. The tutorial demonstrates how to install and use LivePortrait, showcasing its potential for creating detailed and natural AI animations for various applications.
Takeaways
- 😀 Live Portrait is an AI tool that creates dynamic, talking avatars based on photos, similar to the moving pictures in Harry Potter.
- 🔍 It uses implicit key points on the face to understand and animate facial movements realistically.
- 📹 The AI learns head motion from reference videos, enabling the avatar to mimic the actions of the person in the video.
- ⏱️ High-end GPU support allows for fast animation generation, approximately 12.8 milliseconds per frame.
- 🎨 Live Portrait offers customization, letting users control specific parts of the face, like eyes or lips, for more personalized animations.
- 📚 The code for Live Portrait is open-source and available on GitHub for anyone interested in the technology.
- 💻 To use Live Portrait with Comfy UI, users need to install a custom node and download a specific model refined for Comfy UI.
- 🔍 Insight Face, a non-commercial face recognition library, is required for the process and can be downloaded for testing and research.
- 📁 Users must install dependencies, download model files, and place them in the correct folders within Comfy UI.
- 📑 Example workflows are provided to help users get started with generating different face avatars using the custom nodes.
- 👀 Retargeting options for eyes and lips can be adjusted to control the level of facial motion and detail in the animation.
- 🎬 Live Portrait has potential for enhancing AI animation characters in movies or other media, making them more natural and lifelike.
Q & A
What is LivePortrait and how does it differ from traditional avatars?
-LivePortrait is an AI-powered talking avatar that can be generated locally on a PC and is capable of learning head motion from a reference video. Unlike traditional avatars, it uses implicit key points on the face to understand and mimic realistic facial movements, making the output more dynamic and lifelike.
How does LivePortrait utilize implicit key points to animate a photo?
-LivePortrait places invisible dots, or implicit key points, on important parts of the face such as the eyes, nose, and mouth. These key points help the AI understand how to move the face realistically, allowing it to animate a photo in a way that mimics the movements of a real person.
Can LivePortrait learn from any type of video to animate a photo?
-Yes, LivePortrait can learn from real videos where a person is talking, smiling, or making other facial expressions. It uses the motion from these videos to animate the photo, making it capable of replicating the actions seen in the video.
How fast can LivePortrait generate animations with the help of a high-end GPU?
-With the power of a high-end GPU, LivePortrait can create animations in just 12.8 milliseconds, making it a fast and efficient tool for generating talking avatars.
What control does LivePortrait offer over specific parts of the face during animation?
-LivePortrait allows users to have control over specific parts of the face, such as animating just the eyes or lips. This level of customization makes it suitable for creating detailed and tailored animations.
Is the code for LivePortrait available for public use?
-Yes, the developers have made the LivePortrait code available to everyone on their GitHub page, allowing users to access and potentially contribute to the project.
What additional software is required to use LivePortrait with Comfy UI?
-To use LivePortrait with Comfy UI, users need to download and install the LivePortrait safe tensor mod model refined for Comfy UI and Insight face, a non-commercial face recognition library, for testing and research purposes.
How can users get started with LivePortrait custom nodes in Comfy UI?
-Users can search for the Comfy UI LivePortrait custom node in the Comfy UI manager, install it, and then restart Comfy UI. They need to download the required model files and place them in the appropriate folder, then follow the instructions on the GitHub project page to set up the custom nodes workflow.
What are the different settings available in LivePortrait custom nodes for facial animation?
-LivePortrait custom nodes offer settings for retargeting specific parts of the face, such as the eyes and lips. Users can enable or disable these settings to control the level of facial motion and create more natural or specific animations.
How can LivePortrait be potentially useful in AI animation and character creation?
-LivePortrait can be used to enhance the details of facial movements in AI animation characters, making them speak and move in a more natural manner. This could be particularly useful in the production of AI movies or other animated content where realistic character movements are desired.
Outlines
🧙♂️ Creating Live Portrait Avatars with AI
This tutorial introduces the process of generating a dynamic, talking avatar using AI technology. The framework, known as 'live portrait,' can learn head motion from a reference video, making the avatar's movements more lifelike. It operates by using 'implicit key points' on the face to understand realistic movements. The AI can be trained with a video of someone talking or smiling, and it will mimic the motions to animate a still photo. The process is efficient, taking only 12.8 milliseconds with a high-end GPU. Users have control over specific facial features and can customize the avatar's expressions. The tutorial also guides on how to install the necessary custom nodes and models for the 'Comfy UI' and 'Insight face' library, and provides examples of how to use these tools to create different facial animations.
🎨 Customizing and Fine-Tuning AI-Generated Facial Animations
The second part of the tutorial delves into customizing and fine-tuning the AI-generated facial animations. It demonstrates how to synchronize the avatar's lip movements with audio, and how to adjust the retargeting settings for eyes and lips to achieve more natural facial expressions. The tutorial shows examples of animations with different settings, illustrating the impact of retargeting on the final result. It suggests that turning off retargeting can lead to more natural and detailed facial movements, similar to human expressions. The potential applications of this technology in enhancing AI animation characters for movies or other media are also discussed, highlighting its utility in creating more realistic and expressive characters.
Mindmap
Keywords
💡LivePortrait
💡ComfyUI
💡Avatar
💡Implicit Key Points
💡Retargeting
💡High-End GPU
💡GitHub
💡Insight Face
💡Custom Nodes
💡Face Recognition
💡AI Animation
Highlights
Tutorial on generating an HRA-like talking avatar in Comfy UI locally.
Framework can learn head motion from a reference video.
Talking Avatar becomes more dynamic with real person video motion.
Live Portrait uses implicit key points on the face for realistic movements.
AI learns face movements from real videos to animate photos.
High-end GPU allows animations to be created in 12.8 milliseconds.
Control over specific parts of the face for customized animations.
Source code is available on GitHub for Live Portrait.
Instructions to install Comfy UI Live Portrait custom node.
Requirement to download the Live Portrait safe tensor mod model.
Installation of Insight face, a non-commercial face recognition library.
Process of installing dependencies and components for custom nodes.
Downloading and placing model files in the correct folder.
Using Comfy UI manager to download and set up custom nodes.
Examples of Live Portrait custom node settings and their effects.
Demonstration of retargeting for eyes and lips in animations.
Example of whole face motion without retargeting for a natural look.
Importance of fine-tuning settings for detailed face movements.
Potential use of Live Portrait for AI animation characters in movies.
Inspirational conclusion on leveraging Live Portrait for AI animation.