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Contents
IMAQ Vision for Visual Basic User Manual viii ni.com
Chapter 6
Calibrating Images
Perspective and Nonlinear Distortion Calibration......................................................... 6-1
Defining a Calibration Template..................................................................... 6-2
Defining a Reference Coordinate System....................................................... 6-3
Learning Calibration Information...................................................................6-5
Specifying Scaling Factors ...............................................................6-6
Choosing a Region of Interest .......................................................... 6-6
Choosing a Learning Algorithm....................................................... 6-6
Using the Learning Score .................................................................6-7
Learning the Error Map.................................................................... 6-8
Learning the Correction Table..........................................................6-8
Setting the Scaling Mode.................................................................. 6-8
Calibration Invalidation.................................................................... 6-9
Simple Calibration.........................................................................................................6-9
Save Calibration Information ........................................................................................ 6-10
Attach Calibration Information .....................................................................................6-10
Appendix A
Technical Support and Professional Services
Glossary
Index