The main goal of the PerfLoc project is to facilitate the development of the best possible smartphone indoor localization apps. An extensive repository of annotated smartphone sensor and RF signal strength data to enable researchers to develop smartphone indoor localization apps.
Catafalque of Krzysztof OpaliÅski, 17th century. A catafalque is a raised bier, box, or similar platform, often movable, that is used to support the casket, coffin, or body of the deceased during a funeral or memorial service.
Catenary system. An electric railway takes its power for the electric motors, lights, air conditioning, etc., from the overhead line using the pantograph on the roof. The pantograph is in constant contact with the overhead line (contact wire) located about 5 m above the rails, whether the train is moving or not.