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IMAQ Read Pixel Value From Image (Continuous)

by: Member
‎11-01-2013 11:16 AM
Last Edited by: Member Example_Scrubber_Christoph ‎03-16-2017 05:29 AM

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.

    Software

  • Vision Development Module
  • LabVIEW

Code and Documents

Attachment

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Overview

The example demonstrates how to extract a pixel value from an image.

 

Description

In case only single pixels from an image should to be analyzed it is possible to extract the pixel value from an IMAQ image with 'IMAQ GetColorPixelValue'.

The example allows to select a pixel by specifying coordinates or by clicking the desired pixel in the Image Display control.

 

Requirements

 Software

  • LabVIEW 2012 Base Development System (or compatible)
  • Vision Development Module 2012 (or compatible)

 Hardware

  • No hardware is necessary to use this example VI

 

Steps to Implement or Execute Code

  1. Run the VI
  2. Either click on the desired pixel on the Image Display or adjust the X/Y Coordinate sliders

 

Additional Information or References

 

IMAQ Get Pixel Value LV2012 NIVerified.vi - Front Panel.png
 

IMAQ Get Pixel Value LV2012 NIVerified.vi - 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.**

Bobby Breyer
Applications Engineer
National Instruments

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

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