opencv runtime_error ai_generated true

cv::aruco: no markers detected

ID: opencv/aruco-detection-failed

Also available as: JSON · Markdown
78%Fix Rate
82%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
4 active — — —

Root Cause

ArUco marker detection returned no results.

generic

Workarounds

  1. 90% success Verify marker dictionary matches printed markers
  2. 85% success Adjust adaptiveThreshWinSizeMin/Max and cornerRefinementMethod

Dead Ends

Common approaches that don't work:

  1. Lower detection threshold to minimum 72% fail

    False positives

  2. Use largest marker dictionary 68% fail

    Slower detection