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Road signs recognition

Traffic sign recognition consists of the following stages:

  • detection for candidates for the road sign on image;
  • recognition of the candidate for the road sign (this is not a sign / is a sign) and calculating the probability;
  • combining recognition results from several frames and obtaining a motion path.

The following video shows the recognition of the speed limit sign:

Algorithm for recognizing the speed sign on the image:

  • make binarization;
  • find contours;
  • check the contour of the circle;
  • conduct an internal contour analysis of the content and find the contours of numbers;
  • compare the figures found with the number patterns.

Aleksandr Kruchinin

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