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'''3DOF''' is three degrees of freedom. It refers to tracking rotation in three axises.
'''3DOF''' is three degrees of freedom. It refers to tracking rotation in three axises.
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The original [[Oculus Rift]] was 3DOF. The google cardboard is 3DOF. 3DOF can be implemented with an [[IMU]], but IMUs are drifty and cause nausea.
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The original [[Oculus Rift]] was 3DOF. The google cardboard is 3DOF. 3DOF can be implemented with an [[IMU]], but IMUs are drifty and cause nausea due to the drift due to vestibular mismatch.
A more complete form of tracking is [[6DOF]].
A more complete form of tracking is [[6DOF]].