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ComfyUI > Nodes > ComfyUI-MagickWand > ImageMagick Clamp

ComfyUI Node: ImageMagick Clamp

Class Name

ImageMagick Clamp

Category
MagickWand/Quantize

Author
Fannovel16 (Account age: 3129 days)Extension
ComfyUI-MagickWandLatest Updated
6/20/2024Github Stars
0.1K

Github Ask Fannovel16 Questions Current Questions Past Questions

How to Install ComfyUI-MagickWand

Install this extension via the ComfyUI Manager by searching for ComfyUI-MagickWand

1. Click the Manager button in the main menu
2. Select Custom Nodes Manager button
3. Enter ComfyUI-MagickWand 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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ImageMagick Clamp Description

Adjust pixel values to specified range for image normalization, exposure correction, and quality enhancement in MagickWand suite.

ImageMagick Clamp:

The ImageMagick Clamp node is designed to adjust the pixel values of an image to ensure they fall within a specified range. This process is particularly useful for normalizing images, correcting overexposed or underexposed areas, and ensuring that the pixel values are within a valid range for further processing. By clamping the pixel values, you can enhance the visual quality of your images and prepare them for subsequent transformations or analyses. This node is part of the MagickWand suite, which provides a wide range of image manipulation capabilities.

ImageMagick Clamp Input Parameters:

image

This parameter accepts the image that you want to process. The image should be in a format that is compatible with the ImageMagick library.

channel

This parameter specifies the color channel to which the clamping operation will be applied. The available options are undefined, red, gray, cyan, green, magenta, blue, yellow, black, alpha, opacity, index, readmask, write_mask, meta, composite_channels, all_channels, true_alpha, rgb, rgb_channels, gray_channels, sync_channels, and default_channels. The default value is red. Selecting the appropriate channel allows you to target specific color components of the image for clamping.

ImageMagick Clamp Output Parameters:

IMAGE

The output is the processed image with pixel values clamped to the specified range. This ensures that all pixel values are within a valid range, improving the image's visual quality and making it suitable for further processing.

ImageMagick Clamp Usage Tips:

To enhance the overall brightness and contrast of an image, use the all_channels option for the channel parameter to apply clamping across all color channels.
If you notice that specific color channels are overexposed or underexposed, target those channels individually using the channel parameter to achieve a more balanced image.

ImageMagick Clamp Common Errors and Solutions:

`Error: Invalid image format`

Explanation: The input image is not in a format supported by ImageMagick.
Solution: Ensure that the input image is in a compatible format such as JPEG, PNG, or TIFF.

`Error: Channel not recognized`

Explanation: The specified channel is not valid.
Solution: Verify that the channel parameter is set to one of the recognized options listed in the input parameters section.

`Error: Image processing failed`

Explanation: An unspecified error occurred during the clamping process.
Solution: Check the input image for any corruption or unsupported features, and ensure that all parameters are set correctly. If the issue persists, try using a different image or adjusting the parameters.