AprilTag

AprilTag is a visual fiducial system, useful for a wide variety of tasks including augmented reality, robotics, and camera calibration.

Software · april.eecs.umich.edu

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What AprilTag’s own pages say

What it says it doesAprilTag is a visual fiducial system, useful for a wide variety of tasks including augmented reality, robotics, and camera calibration. april.eecs.umich.edu
PlatformsiOS april.eecs.umich.edu
LicenseLicense BSD april.eecs.umich.edu

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.