Example Code

Overlay Pattern Matches on Color Image

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

Overview

This example demonstrates how to search for a defined pattern and overlay the matches on an color image.

 

Description

An image is searched for a particular pattern. The frame of the matches are then drawn as an overlay in the original image. Afterwards the image buffer is cleared.

 

Requirements

 Software

  • 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)

 Hardware

  • 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 inside

 

 

Additional Information or References Overlay Pattern Matches on Color Image LV2012 NIVerified.vi - Front Panel.png

 

 

Overlay Pattern Matches on Color Image LV2012 NIVerified.vi - Block Diagram.png

 

 

Note: This example program works with RGB (U32) and HSL(U32) images.

 

**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.**
Tanner B.
Systems R&D Engineer - Aerospace, Defense, and Government
National Instruments

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