National Instruments IMAQ Vision for Measurement Studio - Manual (Page 50)

Chapter 5 Machine Vision
IMAQ Vision for LabWindows/CVI User Manual 5-4 ni.com
Figure 5-2. Coordinate Systems of a Reference Image and Inspection Image
b. If you use imaqFindTransformRects() , specify two
rectangles, each containing one separate, straight boundary of the
object, as shown in Figure 5-3. The boundaries cannot be parallel.
The regions must be large enough to include the boundaries in all
the images you want to inspect.
1 Search Area for the Coordinate System
2 Object Edges
3 Origin of the Coordinate System
4 Measurement Area
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4
a. b.
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