Example Code

How to extract color planes and grayscale images using LabVIEW and VDM

Products and Environment

This section reflects the products and operating system used to create the example.

To download NI software, including the products shown below, visit ni.com/downloads.


  • Vision Development Module
  • LabVIEW

Code and Documents



This example demonstrates how to extract the red/green/blue color plane from a color image.



In addition to demonstrating how to extract color planes and grayscale images, the code is designed to also show the differences between the color plane extraction and grayscaling of an image.




  • LabVIEW Base Development System 2012 (or compatible)
  • NI Vision Development Module 2012 (or compatible)
  • If running in a Real-Time context, you will need the LabVIEW Real-Time Module 2012 (or compatible)


  • No hardware is necessary to use this example VI


Steps to Implement or Execute Code

  1. Download and open the attached ZIP-file
  2. Open the VI and follow the instructions on the Front Panel


Additional Information or References

Extract Color Planes From A Color Image - Front Panel.png
Extract Color Planes From A Color Image - Block Diagram.png


**The code for this example has been edited to meet the new Community Example Style Guidelines. The edited copy is marked with the text ‘NIVerified’. Read here for more information about the new Example Guidelines and Community Platform.**
Ashish Naik
Automotive Business Development Manager
National Instruments UK

Example code from the Example Code Exchange in the NI Community is licensed with the MIT license.