Interactively set a Region of Interest (ROI) in an image and calculate a histogram for the ROI

[Rialter]

Overview

This example demonstrates how to enable the user to select interactively a ROI (Region Of Interest) and calculate a histogram based on the ROI.

Description

The Vision Development Module (VDM) offers different ways to the user to select a Region of Interest (ROI). This example shows how to use the Select Region of Interest VIs to show a separate window where the user can interactively select the RIO.

Select Region of Interest - NI Vision 2016 for LabVIEW Help - National Instruments

http://zone.ni.com/reference/en-XX/help/370281AC-01/imaqvision/select_region_of_interest_pal/

The example use the RIO to calculate a histogram for the RIO.

Requirements

 Software

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

 

**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.**