ComfyUI > Nodes > ComfyUI_Lam > 图片转mask批量

ComfyUI Node: 图片转mask批量

Class Name

ImageToMasks

Category
mask
Author
Lam Yan (Account age: 3065days)
Extension
ComfyUI_Lam
Latest Updated
2025-03-06
Github Stars
0.02K

How to Install ComfyUI_Lam

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

Visit ComfyUI Online for ready-to-use ComfyUI environment

  • Free trial available
  • 16GB VRAM to 80GB VRAM GPU machines
  • 400+ preloaded models/nodes
  • Freedom to upload custom models/nodes
  • 200+ ready-to-run workflows
  • 100% private workspace with up to 200GB storage
  • Dedicated Support

Run ComfyUI Online

图片转mask批量 Description

Convert image color channels to masks for selective editing and compositing.

图片转mask批量:

The ImageToMasks node is designed to convert specific color channels of an image into a mask. This node is particularly useful for isolating and manipulating parts of an image based on their color information. By focusing on individual color channels—red, green, or blue—you can create masks that highlight specific features or areas within an image. This capability is beneficial for tasks such as image editing, compositing, or any application where selective processing of image regions is required. The node simplifies the process of generating masks from images, making it accessible even to those without a deep technical background.

图片转mask批量 Input Parameters:

image

The image parameter is the primary input for the node, representing the image from which you want to extract a mask. This parameter expects an image in a format that the node can process, typically a multi-dimensional array representing the image's pixel data. The image serves as the source from which the node will isolate a specific color channel to create the mask.

channel

The channel parameter specifies which color channel of the image you want to convert into a mask. You can choose from three options: "red", "green", or "blue". This selection determines which part of the image's color data will be used to generate the mask. By selecting a specific channel, you can focus on the intensity of that color within the image, allowing for targeted mask creation based on color information.

图片转mask批量 Output Parameters:

MASK

The MASK output is the result of the node's processing, providing a mask derived from the selected color channel of the input image. This mask is a single-channel image that highlights the areas of the original image where the selected color channel is present. The mask can be used for further image processing tasks, such as compositing, filtering, or analysis, enabling you to work with specific regions of the image based on color intensity.

图片转mask批量 Usage Tips:

  • To effectively use the ImageToMasks node, ensure that the input image is well-prepared and contains distinct color information in the channel you wish to isolate. This will result in a more accurate and useful mask.
  • Experiment with different color channels to see which one best highlights the features you are interested in. For example, if you want to isolate areas with high red intensity, select the "red" channel.

图片转mask批量 Common Errors and Solutions:

Invalid channel selection

  • Explanation: This error occurs when a channel is selected that is not available in the input image.
  • Solution: Ensure that you select one of the available channels: "red", "green", or "blue". Double-check the input image to confirm it contains these channels.

Image format not supported

  • Explanation: The input image is not in a format that the node can process.
  • Solution: Convert the image to a compatible format, such as a multi-dimensional array with separate color channels, before using it as input for the node.

图片转mask批量 Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI_Lam
RunComfy
Copyright 2025 RunComfy. All Rights Reserved.

RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Playground, enabling artists to harness the latest AI tools to create incredible art.