“…Examples of ADLs include activities related to personal appearance and hygiene, domestic skills, household management, family and child care, conversational and social skills, and leisure, education, training and work activities [6]. Several sensors, including the accelerometer, gyroscope, magnetometer, communication, proximity, light, gravity, RFID (Radio-Frequency IDentification) sensors, GPS (Global Positioning System) receiver, microphone and camera, may be used to detect when a person is having/preparing a meal, washing up, bathing, waking up, sleeping, standing, sitting, watching TV, using the phone, doing chores, cycling, jogging or perform other activities [7][8][9][10].…”