Indoor Navigation, Kid Finder and Crew Monitoring on a Cruise Ship AT A GLANCE • 2D/3D maps • indoor navigation on board • „Buddy Finder“ function to share position • “Kid Finder” function • localization of crew in emergenciesPROBLEM DEFINITION Cruise liners are huge ships with a guest ca- pacity of several thousand people, numerous cabins, restaurants, pools, and leisure facilities spread over several decks. Orientation in a place like this is not easy for most passengers. Finding one’s cabin is not only a problem when passengers embark, but also later on the crui- se when trying to return to the room after an eventful day. Navigating to one of the multiple POIs on board can also take much longer than expected, the deck plans are usually not suffi - cient for stressless way

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