Coarse relocalization using signal fingerprints

摘要

A first display device and method are provided for accelerating the coarse relocalization process of the first display device by generating a session-specific identifier and sending it to a second display device, which transmits the identifier to a cloud service, which returns at least a portion of a map data set corresponding to the identifier. The returned map data set is then stitched into the local map data of the first display device to create an integrated map, which is used to render one or a plurality of holograms. The first display device may comprise a processor, a memory operatively coupled to the processor, and a fingerprint program stored in the memory and executed by the processor.