AprilTag tracker

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Hold a tag up to your webcam.

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Tracking

Show cube

Position is relative to the camera: x right, y down, z forward. 3D estimates depend on tag size and camera calibration.

—detections / sec

—ms capture → result

Camera & precision

Camera Detection resolution Tag’s outer black edge · mm Horizontal field of view · °

60° is an approximation. Measure the black square on your phone or printout and enter its actual width.