ComfyUI Extension: Easy Color Correction

ComfyUI-EasyColorCorrector Introduction

ComfyUI-EasyColorCorrector is a powerful extension designed to enhance your color correction capabilities within the ComfyUI ecosystem. This extension leverages advanced AI technology to provide professional-grade color correction and enhancement tools, making it easier for AI artists to achieve stunning visual results without the need for expensive software like Adobe Photoshop. Whether you're working on anime, concept art, portraits, or realistic photos, ComfyUI-EasyColorCorrector offers a range of features to help you achieve the perfect look for your images.

How ComfyUI-EasyColorCorrector Works

At its core, ComfyUI-EasyColorCorrector uses AI-powered algorithms to analyze and enhance your images. It employs computer vision techniques to detect faces, analyze scenes, and apply content-aware enhancements. The extension operates in three distinct modes: Auto, Preset, and Manual, each offering different levels of control and customization. By utilizing perceptual color spaces and advanced algorithms, it ensures that your images are corrected with precision and professionalism.

ComfyUI-EasyColorCorrector Features

AI-Powered Intelligence

• Face Detection: Automatically preserves skin tones using advanced segmentation techniques.
• Scene Analysis: Identifies different content types such as anime, concept art, and portraits to apply tailored enhancements.
• Lighting Detection: Analyzes lighting conditions to adjust brightness and contrast accordingly.
• Content-Aware Enhancement: Differentiates between artistic and photographic content for specialized processing.

Professional Color Science

• LAB Color Space: Utilizes perceptual white balance and color corrections for accurate results.
• 3-Way Color Corrector: Offers professional lift, gamma, and gain controls for precise adjustments.
• Advanced Color Matching: Matches colors with reference images using robust histogram and LAB methods.

Performance & Usability

• Real-time Preview: Provides instant feedback through selective node execution.
• Smart UI: Offers mode-specific controls with intelligent tooltips for ease of use.
• Multiple Output Types: Generates processed images, palette data, histogram images, and palette images for comprehensive analysis.

ComfyUI-EasyColorCorrector Models

The extension includes several specialized nodes to cater to different workflows:

• VAE Color Corrector: Corrects color shifts induced by VAE encoding/decoding in inpainting workflows.
• Batch Color Corrector: Processes entire video sequences with consistent AI-powered corrections.
• RAW Image Processor: Handles direct RAW file processing with professional color science.
• Color Palette Extractor: Extracts color palettes for reference workflows.
• Film Emulation: Simulates professional film stock with highlight rolloff.

What's New with ComfyUI-EasyColorCorrector

The latest update, version 1.2.1, introduces major refactoring and enhancements:

• Manual Mode Enhancements: Offers real temperature and tint separation in LAB color space.
• Preset Mode Transparency: Sliders update live to reflect preset adjustments.
• Realistic Slider Ranges: Ensures contrast and brightness are within sensible limits.
• Improved White Balance: Provides a professional range from cool to warm tones.
• Skin Tone Processing Fixes: Eliminates green tints on light skin for natural portraits.
• Smart UI Improvements: Disables AI analysis in Manual mode for full manual control.

Troubleshooting ComfyUI-EasyColorCorrector

Common Issues and Solutions

• Color Shifts in Inpainting: Use the VAE Color Corrector node to address color shifts after VAE processing.
• Black Squares in Images: Update to the latest version to fix quantization artifacts with safe color clamping.
• Face Detection Not Working: Ensure images are well-lit and clear for optimal face detection.

Frequently Asked Questions

• Do I need all dependencies? The node works without them, but you'll miss AI features. Install them for the full experience.
• Is this better than Photoshop? It's competitive for color correction but not a full replacement for all Photoshop features.
• Can I use this commercially? Yes, the MIT license allows for commercial use.

Learn More about ComfyUI-EasyColorCorrector

For further learning and support, consider exploring the following resources:

• ComfyUI Community: Join the ComfyUI Discord for help and feedback.
• Tutorials and Documentation: Visit the ComfyUI Examples page for workflow examples.
• GitHub Repository: Check out the ComfyUI-EasyColorCorrector GitHub for the latest updates and contributions. By utilizing these resources, you can enhance your understanding and make the most out of ComfyUI-EasyColorCorrector in your creative projects.