National Instruments IMAQTM - Manual (Page 7)

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