2.15.13 cvsplit

1 Menu Information
2 Brief Information
3 Additional Information
4 Command Line Usage
5 X-Function Execution Options
6 Variables
7 Description
8 Examples
9 Algorithm
10 References
11 Related X-Functions

Menu Information

Image: Split Color Image

Brief Information

Split color image into separate grayscale images

Additional Information

Minimum Origin Version Required: 2022

Command Line Usage

1. cvSplit img:=[Image1]1! order:="R" nav:=1;

X-Function Execution Options

Please refer to the page for additional option switches when accessing the x-function from script

Variables

Display
Name

Variable
Name

I/O
and
Type

Default
Value

Description

Input Image

img

Input/Output

ImageLayer

Specify the source image to manipulate.

Chanel Order

order

Input

String

Specifies the chanels of Red, Green, Blue, and Alpha to be output and split them in order. By default, "RGB" chanels will be output, and image frames are entitled of Red, Green, and Blue respectively.

Show Thumbnails

nav

Input

Int

Specify whather to show thumbnails for the split image window: 0 = false, 1 = true.

Description

This function separates a color image into Red, Green, Blue, and Alpha channels. See document for details.

Examples

Example 1. Split the color image into separate channels

When the image is active, select Image: Split Color Image....
In the dialog, leave the settings as default and click OK.

The image is split as follow.

The original image


Red Channel	Green Channel	Blue Channel

Algorithm

The computation uses split() function from OpenCV Main API. Please refer to the OpenCV Main API Help file, Version 2.4.11.0 and read imgproc. Image Processing topic. See also mixChannels(), Merge() and Mat::reshape() function.