Machine Vision

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Vision Assistant shows incorrect pattern matching results for some images

Environment:
Windows 8.1
LabVIEW 2018 SP1 f4 - 2020
Vision Development Module 2018 SP1 - 2020

 

Steps to Reproduce:

  1. Download all attached files;
  2. Open the script and the test image in Vision Assistant;
  3. Switch to Pattern Matching step of the script;
  4. Note a false match in the upper-right part of the image;
  5. Double-click the Pattern Matching step.

Expected Result:

Pattern matching results are the same in preview mode and edit mode.

 

Actual Result:

Pattern matching results in edit mode are different from preview mode. Edit mode shows a correct match.

 

Reported to NI with SR #7812172.

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NI Technical Support wrote:

Bug Report created: 1085591.


 

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