LuminaBrush: AI Lighting Editor Released by ControlNet Creator

LuminaBrush demo

lllyasviel, the renowned creator of ControlNet and IC-Light series models, has released a new AI image editing tool called LuminaBrush. This tool combines AI technology with intuitive user interaction to provide creators with a practical solution for image lighting editing.

How LuminaBrush Works

LuminaBrush employs a two-stage processing framework:

Uniform Lighting Conversion Stage:
- Converts input images to a “uniform lighting” appearance
- Eliminates complex lighting effects from original images
- Generates intermediate representations suitable for further editing
Interactive Lighting Editing Stage:
- Generates directional lighting effects based on user brush inputs
- Responds to user edits in real-time
- Maintains lighting transfer consistency

Technical Features of LuminaBrush

Uniform Lighting Preprocessing:
- Unique delighting technology for extracting base image appearance
- Supports processing of skin textures, hair, and fur details
- Avoids overly sharp mesh boundaries or flat surfaces from 3D albedo
Intelligent Light Synthesis:
- Training with random normal map relighting
- Extracts uniform lighting representations from millions of high-quality images
- Builds paired datasets for training interactive lighting brush models

LuminaBrush Applications

Artistic Creation: Provides intuitive lighting effect control for artists
Image Editing: Supports local and global lighting adjustments
Photo Correction: Can fix undesirable lighting conditions
Visual Effects: Suitable for film and game visual effects production

Try LuminaBrush Online

LuminaBrush currently offers two online demo versions:

Full LuminaBrush:
- Online Demo
- Supports complete lighting editing functionality
- Provides multiple preset examples
Uniform Lighting Version:
- Delighting Demo
- Focuses on image delighting effects
- Showcases intermediate processing results

Git Repository

Visit the GitHub Repository