| 摘要 |
Systems and methods for providing relative tracking for a user in an unprepared environment, e.g., in the field. A larger mobile unit, such as a truck, is tracked precisely in world coordinates using GPS and/or other tracking technology. A smaller mobile object or unit is then tracked with respect to the larger mobile unit. The tracking information of the smaller mobile object or unit is then combined with the tracking of the larger mobile unit such that the tracking of the smaller mobile object or unit can be provided in world coordinates. The relative tracking methodology has particular utility in the field of augmented reality where precise tracking in an unprepared environment may be desirable, but where a smaller mobile object may not be able to be tracked directly and precisely in world coordinates.
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