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工作流 / 图像工具 / 去背景: BiRefNet
去背景: BiRefNet

去背景: BiRefNet

Remove Background: BiRefNet

上传一张带有任意背景的图片。生成一个去除背景的版本以及一个精确的分割遮罩。

图像工具 5 个节点 1 个输入 111 次使用 ComfyUI ≥ 0.21.0 ComfyUI 13 KB

下载工作流 JSON 查看官方来源

下载后把文件拖进 ComfyUI 窗口即可打开。

需要的权重

这个工作流引用了 1 个权重文件，其中 1 个能在本站模型库里找到。

birefnet.safetensors 在模型库查看

节点构成

LoadImage × 1
PreviewImage × 1
5b40ca21-ba1a-41d5-b403-4d2d7acdc195 × 1
MaskPreview × 1
MarkdownNote × 1

官方标注的模型

BiRefNet

工作流 JSON

和上面「下载工作流 JSON」是同一份文件。

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3 "revision": 0,
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5 "last_link_id": 16,
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29 },
30 {
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41 "hasSecondTab": false,
42 "secondTabText": "Send Back",
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45 "cnr_id": "comfy-core",
46 "ver": "0.19.3"
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52 },
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65 "order": 3,
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80 {
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152 "widgets_values": []
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154 {
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165 "flags": [],
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167 "mode": 0,
168 "inputs": [],
169 "outputs": [],
170 "title": "Model Link",
171 "properties": [],
172 "widgets_values": [
173 "## Model Link\n\n- [Hugging Face:Comfy-Org/BiRefNet](https://huggingface.co/Comfy-Org/BiRefNet)\n\n**ModelScope mirrors** (alternative repo location)\n\n- [ModelScope:Comfy-Org/BiRefNet](https://modelscope.cn/models/Comfy-Org/BiRefNet)\n\n**background_removal**\n\n- [birefnet.safetensors](https://huggingface.co/Comfy-Org/BiRefNet/resolve/main/background_removal/birefnet.safetensors) (423.9 MB)\n\n## Model Storage Location\n\n```\n📂 ComfyUI/\n├── 📂 models/\n│ └── 📂 background_removal/\n│ └── birefnet.safetensors\n```\n\n## Report Issue\n\nNote: Please update ComfyUI first ([guide](https://docs.comfy.org/installation/update_comfyui)) and prepare required models. Desktop/Cloud updates follow stable releases, so some nightly-supported models may not be available yet.\n\n- Cannot run / runtime errors: [ComfyUI/issues](https://github.com/comfyanonymous/ComfyUI/issues)\n- UI / frontend issues: [ComfyUI_frontend/issues](https://github.com/Comfy-Org/ComfyUI_frontend/issues)\n- Workflow issues: [workflow_templates/issues](https://github.com/Comfy-Org/workflow_templates/issues)\n"
174 ],
175 "color": "#222",
176 "bgcolor": "#000"
177 }
178 ],
179 "links": [
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266 "outputs": [
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318 "name": "bg_removal_model",
319 "type": "BACKGROUND_REMOVAL",
320 "link": 3
321 }
322 ],
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326 "name": "mask",
327 "type": "MASK",
328 "links": [
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