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Table 2 MT9-B orientation accuracy. The table shows the orientation reconstruction accuracy in terms of the mean and standard deviation of the error between frame pairs. Values are in degrees.

From: Calibration of an orientation sensor for freehand 3D ultrasound and its use in a hybrid acquisition system

 

Roll

Yaw

Tilt

Tilt-yaw rotation

-0.0593 ± 0.3058

-0.4633 ± 0.8887

+0.0641 ± 0.1658

Roll-yaw rotation

+0.0371 ± 0.3117

-2.1223 ± 1.8843

-0.2040 ± 0.3092