ComfyUI  >  Nodes  >  comfyui_bmab >  BMAB Crop

ComfyUI Node: BMAB Crop

Class Name

BMAB Crop

Category
BMAB/resize
Author
portu-sim (Account age: 343 days)
Extension
comfyui_bmab
Latest Updated
6/9/2024
Github Stars
0.1K

How to Install comfyui_bmab

Install this extension via the ComfyUI Manager by searching for  comfyui_bmab
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter comfyui_bmab 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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BMAB Crop Description

Enhance image processing by precise object-based cropping with advanced detection models for targeted manipulation and editing workflows.

BMAB Crop:

BMAB Crop is a powerful node designed to facilitate the precise cropping of images based on object detection. This node leverages advanced detection models to identify and isolate specific regions within an image, allowing for targeted cropping. The primary benefit of using BMAB Crop is its ability to enhance image processing workflows by focusing on areas of interest, thereby improving the quality and relevance of the output. This node is particularly useful for tasks that require detailed image manipulation, such as object recognition, background removal, and image enhancement. By providing a seamless way to crop images based on detected objects, BMAB Crop helps streamline the image editing process and ensures that the final output meets the desired specifications.

BMAB Crop Input Parameters:

source

The source parameter expects an image that serves as the reference for cropping. This image is processed to detect objects, and the detected regions are used to guide the cropping process. The input type is IMAGE.

target

The target parameter is the image that will be cropped based on the detected objects in the source image. This ensures that the cropping is applied to the correct image. The input type is IMAGE.

model

The model parameter specifies the pre-trained detection model to be used for identifying objects within the source image. The available models are listed by the utils.list_pretraining_models() function. This parameter is crucial as it determines the accuracy and efficiency of the object detection process.

padding

The padding parameter allows you to add extra space around the detected objects when cropping. This can be useful to ensure that the cropped area includes some context around the object. The default value is 32, with a minimum of 8 and a maximum of 128, adjustable in steps of 8.

dilation

The dilation parameter controls the expansion of the detected object boundaries before cropping. This can help in capturing the entire object, especially if the detection is slightly off. The default value is 4, with a minimum of 4 and a maximum of 32, adjustable in steps of 1.

BMAB Crop Output Parameters:

image

The image output parameter provides the cropped image(s) based on the detected objects and the specified padding and dilation settings. This output is crucial as it represents the final processed image that can be used for further editing or analysis. The output type is IMAGE.

BMAB Crop Usage Tips:

  • Ensure that the source image is clear and well-lit to improve the accuracy of object detection.
  • Experiment with different model options to find the one that best suits your specific use case.
  • Adjust the padding and dilation parameters to fine-tune the cropping area and ensure that the entire object is captured.
  • Use high-resolution images for both source and target to achieve the best results.

BMAB Crop Common Errors and Solutions:

"Model not found"

  • Explanation: This error occurs when the specified detection model is not available or incorrectly specified.
  • Solution: Verify that the model name is correct and that it is included in the list provided by utils.list_pretraining_models().

"Invalid image format"

  • Explanation: This error indicates that the input images are not in a supported format.
  • Solution: Ensure that the source and target images are in a compatible format, such as JPEG or PNG.

"Object detection failed"

  • Explanation: This error occurs when the detection model is unable to identify any objects in the source image.
  • Solution: Check the quality of the source image and consider using a different detection model or adjusting the image preprocessing steps.

"Cropping area out of bounds"

  • Explanation: This error indicates that the specified padding and dilation settings result in a cropping area that exceeds the image boundaries.
  • Solution: Reduce the padding and dilation values to ensure that the cropping area remains within the image dimensions.

BMAB Crop Related Nodes

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