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Bria’s AI background processing models are now available in ComfyUI through Partner Nodes. This page covers Image Background Removal, Video Background Removal, Transparent Video Background, Video Green Screen, and Video Background Replacement.
To use the Partner Nodes, you need to ensure that you are logged in properly and using a permitted network environment. Please refer to the Partner Nodes Overview section of the documentation to understand the specific requirements for using the Partner Nodes.
Make sure your ComfyUI is updated.Workflows in this guide can be found in the Workflow Templates. If you can’t find them in the template, your ComfyUI may be outdated.If nodes are missing when loading a workflow, possible reasons:
  1. You are not using the latest ComfyUI version (Nightly version)
  2. Some nodes failed to import at startup

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Bria: Remove Image Background

Upload an image to automatically remove its background using the Bria API. The result is returned as an image with a transparent background. Bria: Remove Image Background workflow preview

Run on Comfy Cloud

Open in Comfy Cloud

Download Workflow

Download JSON or search “Bria: Remove Image Background” in Template Library
Input materials Upload this file to the matching LoadImage node:

denim_girl.png

LoadImage node 26 · denim_girl.png
Input imageBria: Remove Image Background example output

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Video Background Processing

Bria’s video background processing nodes let you remove, replace, or apply chroma-key effects to video backgrounds. The input video must be 60 seconds or shorter.

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Bria: Remove Video Background

Replace a video’s background with a solid color of your choice. Bria: Remove Video Background workflow preview

Run on Comfy Cloud

Open in Comfy Cloud

Download Workflow

Download JSON or search “Bria: Remove Video Background” in Template Library
Input materials Upload this file to the matching LoadVideo node:

spear_warrior.mp4

LoadVideo node 4 · spear_warrior.mp4

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Bria: Remove Video Background (Transparent)

Remove the background from a video and output it with transparency. Bria: Remove Video Background (Transparent) workflow preview

Run on Comfy Cloud

Open in Comfy Cloud

Download Workflow

Download JSON or search “Bria: Remove Video Background (Transparent)” in Template Library
Input materials Upload this file to the matching LoadVideo node:

ad_video_demo.mp4

LoadVideo node 5 · ad_video_demo.mp4

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Bria: Video Green Screen

Apply a professional chroma-key green or blue screen effect to your video, with multiple preset options including broadcast_green, chroma_green, and blue_screen. Bria: Video Green Screen workflow preview

Run on Comfy Cloud

Open in Comfy Cloud

Download Workflow

Download JSON or search “Bria: Video Green Screen” in Template Library
Input materials Upload this file to the matching LoadVideo node:

investigator.mp4

LoadVideo node 5 · investigator.mp4

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Bria: Video Replace Background

Replace a video’s background with a custom image or another video. Bria: Video Replace Background workflow preview

Run on Comfy Cloud

Open in Comfy Cloud

Download Workflow

Download JSON or search “Bria: Video Replace Background” in Template Library
Input materials Upload these files to the matching LoadVideo and LoadImage nodes:

stained_window_vintage_woman.mp4

LoadVideo node 4 · stained_window_vintage_woman.mp4

gothic_hall_light_rays.png

LoadImage node 8 · gothic_hall_light_rays.png
gothic_hall_light_rays.png