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. Author manuscript; available in PMC: 2014 Jan 13.
Published in final edited form as: Proc IEEE Inst Electr Electron Eng. 2013 Aug 15;101(12):2470–2494. doi: 10.1109/JPROC.2013.2262913

TABLE I.

Ambient sensors used in smart environments.

Sensor Measurement Data Format
PIR1 Motion Categorical
Active Infrared Motion/Identification Categorical
RFID2 Object Information Categorical
Pressure Pressure on Mat, Chair, etc. Numeric
Smart Tiles Pressure on Floor Numeric
Magnetic Switches Door/Cabinet Openning/Closoing Categorical
Ultrasonic Motion Numeric
Camera Activity Image
Microphone Activity Sound
1

Passive Infrared Motion Sensor

2

Radio Frequency Identification