Importance

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Abstract

A remotely controlled object (e.g., an aircraft) or a wearable article (e.g., virtual or augmented reality glasses) using high optical contrast features and a photodetector that detects light produced, reflected or scattered by the features and outputs data indicative thereof. The remotely controlled object or wearable article uses one or more controllers to determine its position and/or orientation in the real three-dimensional environment based on data from the photodetector. Data from one or more auxiliary motion sensing devices, e.g., a relative motion sensor such as an inertial device or other auxiliary motion device relying on acoustics, optics or electromagnetic waves within or outside the visible spectrum, can be used to supplement the position and/or orientation data from the photodetector.

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First Claim