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2024-07-04 11:34:32 +08:00

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# Documentation
- Class name: LineArtPreprocessor
- Category: ControlNet Preprocessors/Line Extractors
- Output node: False
LineArtPreprocessor节点旨在从图像中提取线条艺术,特别专注于创建逼真的线条艺术表现。它使用一个专门的模型来处理图像,并可选择性地允许调整线条艺术的粗糙程度。
# Input types
## Required
- image
- 需要进行线条艺术提取处理的输入图像。
- Comfy dtype: IMAGE
- Python dtype: torch.Tensor
## Optional
- coarse
- 该参数允许用户切换线条艺术提取的粗糙度,可以在更详细或更概括的表现之间进行选择。
- Comfy dtype: COMBO[STRING]
- Python dtype: str
- resolution
- 指定图像应该被处理的分辨率,影响提取的线条艺术的细节水平。
- Comfy dtype: INT
- Python dtype: int
# Output types
- image
- 输出是一个经过处理以提取逼真线条艺术的图像,适用于各种艺术和设计应用。
- Comfy dtype: IMAGE
- Python dtype: torch.Tensor
## Usage tips
- Infra type: `GPU`
- Common nodes:
- [PreviewImage](../../Comfy/Nodes/PreviewImage.md)
- [ControlNetApplyAdvanced](../../Comfy/Nodes/ControlNetApplyAdvanced.md)
- [ControlNetApply](../../Comfy/Nodes/ControlNetApply.md)
- [Control Net Stacker](../../efficiency-nodes-comfyui/Nodes/Control Net Stacker.md)
- [ImageInvert](../../Comfy/Nodes/ImageInvert.md)
- [CR Multi-ControlNet Stack](../../ComfyUI_Comfyroll_CustomNodes/Nodes/CR Multi-ControlNet Stack.md)
- [ACN_AdvancedControlNetApply](../../ComfyUI-Advanced-ControlNet/Nodes/ACN_AdvancedControlNetApply.md)
## Source code
```python
class LineArt_Preprocessor:
@classmethod
def INPUT_TYPES(s):
return create_node_input_types(
coarse=(["disable", "enable"], {"default": "disable"})
)
RETURN_TYPES = ("IMAGE",)
FUNCTION = "execute"
CATEGORY = "ControlNet Preprocessors/Line Extractors"
def execute(self, image, resolution=512, **kwargs):
from controlnet_aux.lineart import LineartDetector
model = LineartDetector.from_pretrained().to(model_management.get_torch_device())
out = common_annotator_call(model, image, resolution=resolution, coarse = kwargs["coarse"] == "enable")
del model
return (out, )
```