ComfyUI  >  Nodes  >  ComfyUI-YOLO >  BBox to XYWH

ComfyUI Node: BBox to XYWH

Class Name

BBoxToXYWH

Category
Ultralytics/Utils
Author
kadirnar (Account age: 2359 days)
Extension
ComfyUI-YOLO
Latest Updated
7/8/2024
Github Stars
0.0K

How to Install ComfyUI-YOLO

Install this extension via the ComfyUI Manager by searching for  ComfyUI-YOLO
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI-YOLO 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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BBox to XYWH Description

Converts bounding box coordinates to readable format for AI object detection models, simplifying interpretation and manipulation.

BBox to XYWH:

The BBoxToXYWH node is designed to convert bounding box coordinates from a list format to a more readable and usable format. This node is particularly useful for AI artists working with object detection models, as it simplifies the process of interpreting and utilizing bounding box data. By converting the bounding box coordinates to a string format and extracting individual components such as x, y, width, and height, this node makes it easier to visualize and manipulate bounding boxes in various applications. The primary function of this node is to take a bounding box from a list and transform it into a format that is more intuitive and accessible, enhancing the workflow for tasks that involve object detection and localization.

BBox to XYWH Input Parameters:

index

The index parameter specifies the position of the bounding box in the list that you want to convert. It is an integer value that determines which bounding box to process from the provided list. The default value is 0, meaning the first bounding box in the list will be selected by default. Adjusting this parameter allows you to select different bounding boxes from the list for conversion.

bbox

The bbox parameter represents the list of bounding boxes that you want to convert. Each bounding box in the list should be in the format [x, y, width, height]. This parameter is essential as it provides the raw data that the node will process. The default value is None, indicating that you need to provide a valid list of bounding boxes for the node to function correctly.

BBox to XYWH Output Parameters:

StrBox

The StrBox output is a string representation of the selected bounding box. It provides a human-readable format of the bounding box coordinates, making it easier to understand and interpret the data. The format is "x: {x}, y: {y}, w: {w}, h: {h}", where x, y, w, and h are the respective coordinates and dimensions of the bounding box.

BOXES

The BOXES output is the original bounding box data in the list format [x, y, width, height]. This output allows you to retain the original data structure while also having access to the converted format.

X_coord

The X_coord output is the x-coordinate of the selected bounding box. It represents the horizontal position of the top-left corner of the bounding box.

Y_coord

The Y_coord output is the y-coordinate of the selected bounding box. It represents the vertical position of the top-left corner of the bounding box.

Width

The Width output is the width of the selected bounding box. It indicates the horizontal dimension of the bounding box.

Height

The Height output is the height of the selected bounding box. It indicates the vertical dimension of the bounding box.

BBox to XYWH Usage Tips:

  • Ensure that the bbox parameter is provided with a valid list of bounding boxes in the format [x, y, width, height] to avoid errors.
  • Use the index parameter to select different bounding boxes from the list for conversion, especially when working with multiple objects in an image.
  • Utilize the StrBox output for easy visualization and debugging of bounding box coordinates in your workflow.

BBox to XYWH Common Errors and Solutions:

"IndexError: list index out of range"

  • Explanation: This error occurs when the specified index is out of the range of the provided bounding box list.
  • Solution: Ensure that the index parameter is within the valid range of the bounding box list. Check the length of the list and adjust the index accordingly.

"TypeError: 'NoneType' object is not subscriptable"

  • Explanation: This error occurs when the bbox parameter is set to None or is not provided.
  • Solution: Provide a valid list of bounding boxes in the bbox parameter. Ensure that the list is in the correct format [x, y, width, height].

"ValueError: invalid literal for int() with base 10"

  • Explanation: This error occurs when the bounding box coordinates are not in a format that can be converted to integers.
  • Solution: Ensure that the bounding box coordinates are numerical values that can be converted to integers. Check the format of the bounding box list and correct any discrepancies.

BBox to XYWH Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI-YOLO
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