ComfyUI>Nodes>ComfyUI-BiRefNet-ZHO >完BiRefNet Model Loader

ComfyUI Node: 完BiRefNet Model Loader

Class Name


ZHO-ZHO-ZHO (Account age: 337 days)
Latest Updated
Github Stars

How to Install ComfyUI-BiRefNet-ZHO

Install this extension via the ComfyUI Manager by searching for ComfyUI-BiRefNet-ZHO
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI-BiRefNet-ZHO in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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完BiRefNet Model Loader Description

Facilitates loading pre-trained BiRefNet models for AI tasks like image segmentation, object detection.

完BiRefNet Model Loader:

The BiRefNet_ModelLoader_Zho node is designed to facilitate the loading of pre-trained BiRefNet models, which are essential for various AI-driven tasks such as image segmentation and object detection. This node simplifies the process of loading a model by handling the necessary file paths and ensuring the model is correctly loaded into memory. By using this node, you can seamlessly integrate BiRefNet models into your workflow, allowing you to leverage their capabilities without delving into the complexities of model loading and initialization. The primary goal of this node is to streamline the model loading process, making it accessible and efficient for AI artists and developers.

完BiRefNet Model Loader Input Parameters:


The birefnet_model parameter specifies the name of the BiRefNet model file you wish to load. This parameter is crucial as it directs the node to the correct model file within the designated folder paths. The function of this parameter is to ensure that the appropriate model is loaded into memory, ready for use in subsequent tasks. The available options for this parameter are the filenames of the BiRefNet models stored in the specified directory. There are no minimum or maximum values, but it is essential to provide a valid model filename to avoid errors.

完BiRefNet Model Loader Output Parameters:


The birefnetmodel output parameter represents the loaded BiRefNet model. This output is a fully initialized and ready-to-use instance of the BiRefNet model, which can be employed in various AI tasks such as image segmentation and object detection. The importance of this output lies in its role as the core component for performing advanced AI operations, enabling you to apply sophisticated algorithms to your data. The output value is the BiRefNet model object, which has been loaded with the specified pre-trained weights and is set to evaluation mode.

完BiRefNet Model Loader Usage Tips:

  • Ensure that the birefnet_model parameter is set to a valid model filename within the designated folder paths to avoid loading errors.
  • Utilize the loaded birefnetmodel output in subsequent nodes or processes that require a pre-trained BiRefNet model for tasks such as image segmentation or object detection.
  • Verify that the model file is compatible with the BiRefNet architecture to prevent compatibility issues during loading.

完BiRefNet Model Loader Common Errors and Solutions:

FileNotFoundError: [Errno 2] No such file or directory: '<model_path>'

  • Explanation: This error occurs when the specified model file cannot be found in the designated directory.
  • Solution: Ensure that the birefnet_model parameter is set to a valid filename and that the file exists in the correct directory.

RuntimeError: Error(s) in loading state_dict for BiRefNet

  • Explanation: This error indicates that there was an issue loading the model weights into the BiRefNet architecture, possibly due to a mismatch in model architecture or corrupted file.
  • Solution: Verify that the model file is compatible with the BiRefNet architecture and that it is not corrupted. Re-download the model file if necessary.

AttributeError: 'NoneType' object has no attribute 'to'

  • Explanation: This error occurs when the model object is not correctly instantiated, possibly due to an invalid model path or loading issue.
  • Solution: Check the birefnet_model parameter to ensure it points to a valid and existing model file. Ensure that the model loading process completes without errors.

完BiRefNet Model Loader Related Nodes

Go back to the extension to check out more related nodes.

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