2.15.7 cvmerge


Menu Information

Image: Merge to Color Image

Brief Information

Merge multiple single channel images into a color image.

Additional Information

Minimum Origin Version Required: 2022

Command Line Usage

1. cvMerge order:=BRG;

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
img

Input/Output

ImageLayer

<active>
 Specify the single chanel images to be merged. The input should be a stack of images with 3 or 4 frames (Red, Green, Blue, Alpha chanels).
Chanel Order order

Input

String

Specify order in which the chanels are merged. By default, RGB is used.

Description

This function merges Red, Green, Blue and Alpha channel images into a color image by the specified order. See document for details.

Examples

Example 1.Merge separate channel images into a color image

  1. When the image is active, select Image: Merge to Color Image.
  2. In the dialog, leave the settings as default and click OK.
    Merge dia.png

A merged colorful image replaces the source image.

Split 2.png Split 4.png Split 3.png
Red Channel
Green Channel
Blue Channel
Split 1.png
The merged image

Algorithm

The computation uses 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(), split() and Mat::reshape() function.

References

OpenCV Main API Help file, Version 2.4.11.0

Related X-Functions

CvSplit

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