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# ComfyUI-RMBG
A sophisticated ComfyUI custom node engineered for advanced image background removal and precise segmentation of objects, faces, clothing, and fashion elements. This tool leverages a diverse array of models, including RMBG-2.0, INSPYRENET, BEN, BEN2, BiRefNet models, SAM, SAM2 and GroundingDINO, while also incorporating a new feature for real-time background replacement and enhanced edge detection for improved accuracy.
A sophisticated ComfyUI custom node engineered for advanced image background removal and precise segmentation of objects, faces, clothing, and fashion elements. This tool leverages a diverse array of models, including RMBG-2.0, INSPYRENET, BEN, BEN2, BiRefNet, SDMatte models, SAM, SAM2 and GroundingDINO, while also incorporating a new feature for real-time background replacement and enhanced edge detection for improved accuracy.
## News & Updates
- **2025/08/18**: Update ComfyUI-RMBG to **v2.9.0** ( [update.md](https://github.com/1038lab/ComfyUI-RMBG/blob/main/update.md#v290-20250818) )
![v2 9 0](https://github.com/user-attachments/assets/05a5d41e-a73c-40cc-a4cc-c10380ecc425)
- Added `SDMatte Matting` node
- **2025/08/11**: Update ComfyUI-RMBG to **v2.8.0** ( [update.md](https://github.com/1038lab/ComfyUI-RMBG/blob/main/update.md#v280-20250811) )
![v2 8 0](https://github.com/user-attachments/assets/16c5a67c-1aec-4def-9aa2-db9dcf2354a8)
- Added `SAM2Segment`, node for text-prompted segmentation with the latest Facebook Research SAM2 technology.
- Added `SAM2Segment` node for text-prompted segmentation with the latest Facebook Research SAM2 technology.
- Enhanced color widget support across all nodes
- **2025/08/06**: Update ComfyUI-RMBG to **v2.7.1** ( [update.md](https://github.com/1038lab/ComfyUI-RMBG/blob/main/update.md#v271-20250806) )
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- Manually download the Clothes Segment model by visiting the [link](https://huggingface.co/1038lab/segformer_clothes), then download the files and place them in the `/ComfyUI/models/RMBG/segformer_clothes` folder.
- Manually download the Fashion Segment model by visiting the [link](https://huggingface.co/1038lab/segformer_fashion), then download the files and place them in the `/ComfyUI/models/RMBG/segformer_fashion` folder.
- Manually download BiRefNet models by visiting the [link](https://huggingface.co/1038lab/BiRefNet), then download the files and place them in the `/ComfyUI/models/RMBG/BiRefNet` folder.
- Manually download SDMatte safetensors models by visiting the [link](https://huggingface.co/1038lab/SDMatte), then download the files and place them in the `/ComfyUI/models/RMBG/SDMatte` folder.
## Usage
### RMBG Node
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- omegaconf>=2.3.0
- iopath>=0.1.9
### SDMatte models (manual download)
- Auto-download on first run to `models/RMBG/SDMatte/`
- If network restricted, place weights manually:
- `models/RMBG/SDMatte/SDMatte.safetensors` (standard) or `SDMatte_plus.safetensors` (plus)
- Components (config files) are auto-downloaded; if needed, mirror the structure from the Hugging Face repo to `models/RMBG/SDMatte/` (`scheduler/`, `text_encoder/`, `tokenizer/`, `unet/`, `vae/`)
## Troubleshooting (short)
- 401 error when initializing GroundingDINO / missing `models/sam2`:
- Delete `%USERPROFILE%\.cache\huggingface\token` (and `%USERPROFILE%\.huggingface\token` if present)
- Ensure no `HF_TOKEN`/`HUGGINGFACE_TOKEN` env vars are set
- Re-run; public repos download anonymously (no login required)
- Preview shows "Required input is missing: images":
- Ensure image outputs are connected and upstream nodes ran successfully
## Credits
- RMBG-2.0: https://huggingface.co/briaai/RMBG-2.0
- INSPYRENET: https://github.com/plemeri/InSPyReNet
@@ -366,6 +385,7 @@ GroundingDINO is a model for text-prompted object detection and segmentation, of
- SAM: https://huggingface.co/facebook/sam-vit-base
- GroundingDINO: https://github.com/IDEA-Research/GroundingDINO
- Clothes Segment: https://huggingface.co/mattmdjaga/segformer_b2_clothes
- SDMatte: https://github.com/vivoCameraResearch/SDMatte
- Created by: [AILab](https://github.com/1038lab)
@@ -383,5 +403,3 @@ If this custom node helps you or you like my work, please give me ⭐ on this re
## License
GPL-3.0 License