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1. (WO2018081125) REDUNDANT TRACKING SYSTEM

Pub. No.:    WO/2018/081125    International Application No.:    PCT/US2017/058093
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Wed Oct 25 01:59:59 CEST 2017
IPC: G06K 9/78
G06K 7/10
G06K 17/00
Applicants: SNAP INC.
Inventors: HARE, Samuel Edward
MCPHEE, Andrew James
MURPHY, Robert Cornelius
SAGAR, Dhritiman
YU, Peicheng
Title: REDUNDANT TRACKING SYSTEM
Abstract:
A redundant tracking system comprising multiple redundant tracking sub-systems, enabling seamless transitions between such tracking sub-systems, provides a solution to this problem by merging multiple tracking approaches into a single tracking system. This system is able to combine tracking objects with six degrees of freedom (6DoF) and 3DoF through combining and transitioning between multiple tracking systems based on the availability of tracking indicia tracked by the tracking systems. Thus, as the indicia tracked by any one tracking system becomes unavailable, the redundant tracking system seamlessly switches between tracking in 6DoF and 3DoF thereby providing the user with an uninterrupted experience.