Reference
Geometric Matching Technique
https://www.ni.com/docs/en-US/bundle/ni-vision-concepts-help/page/geometric_matching_technique.html
IMAQ Advanced Setup Learn Geometric Pattern 2 VI
https://www.ni.com/docs/en-US/bundle/ni-vision-labview-api-ref/page/imaqvision/imaq_advanced_setup_learn_geometric_pattern_2.html
IMAQ Match Multiple Geometric Patterns VI
https://www.ni.com/docs/en-US/bundle/ni-vision-labview-api-ref/page/imaqvision/imaq_match_multiple_geometric_patterns.html#details
Examples
LabVIEW\examples\Vision\Geometric Matching\Match Multiple Geometric Patterns.vi