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ComfyUI-Chord

293

Last updated
2026-01-10

ComfyUI-Chord is a custom node designed for ComfyUI that implements the methodology outlined in the research paper "Chord: Chain of Rendering Decomposition for PBR Material Estimation from Generated Texture Images." This tool enhances the process of estimating physically-based rendering (PBR) materials from texture images generated by AI.

  • Allows users to decompose images into their material components, improving the realism of generated assets.
  • Integrates seamlessly with ComfyUI, offering a user-friendly interface for material estimation workflows.
  • Supports pretrained models, enabling quick setup and effective results without requiring extensive training.

Context

ComfyUI-Chord serves as a specialized extension within the ComfyUI environment, aimed at facilitating the estimation of PBR materials from generated texture images. By leveraging the principles of rendering decomposition, this tool allows users to derive material properties more accurately, enhancing the quality of visual outputs.

Key Features & Benefits

The primary feature of ComfyUI-Chord is its ability to decompose texture images into distinct material attributes, which is essential for creating realistic visual content. Users benefit from a streamlined workflow that minimizes the complexity typically associated with material estimation, making it accessible even to those who may not have a deep technical background in rendering.

Advanced Functionalities

ComfyUI-Chord utilizes a pretrained model that can be easily integrated into the user's workflow, allowing for rapid deployment. This functionality means that users can achieve high-quality material estimates without needing to train their models from scratch, saving both time and computational resources.

Practical Benefits

This tool significantly enhances workflow efficiency by automating the material estimation process, which traditionally requires manual input and fine-tuning. By providing a reliable method for generating accurate PBR materials, ComfyUI-Chord improves the overall quality of assets created in ComfyUI, leading to more visually compelling results.

Credits/Acknowledgments

The development of ComfyUI-Chord is credited to the team at Ubisoft, who have made this tool available under the Ubisoft Machine Learning License (Research-Only - Copyleft). For those interested in the underlying research, the original paper and its authors are acknowledged for their contributions to the field of material generation and rendering.

Inner Nodes

ChordLoadModel, ChordMaterialEstimation, ChordNormalToHeight