AprilTag

plural AprilTags

1. computingA type of tag consisting of a grid of black and white squares, used in robotics and computer vision applications.

   In this paper, we presented the results of an extensive comparison of four common detection libraries for AprilTags. The performance of the examined libraries varies strongly in terms of computing time and accuracy of the results.

   2020, Jan Kallwies, Bianca Forkel, Hans-Joachim Wuensche, “Determining and Improving the Localization Accuracy of AprilTag Detection”, in 2020 IEEE International Conference on Robotics and Automation, Paris: IEEE, →DOI, page 8293, column 2