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Abstract

A method and system for providing an optical see-through Augmented Reality modified-scale display. This aspect includes a sensor suite 100 which includes a compass 102, an inertial measuring unit 104, and a video camera 106 for precise measurement of a user's current orientation and angular rotation rate. A sensor fusion module 108 may be included to produce a unified estimate of the user's angular rotation rate and current orientation to be provided to an orientation and rate estimate module 120. The orientation and rate estimate module 120 operates in a static or dynamic (prediction) mode. A render module 140 receives an orientation; and the render module 140 uses the orientation, a position from a position measuring system 142, and data from a database 144 to render graphic images of an object in their correct orientations and positions in an optical display 150.

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First Claim