Qualitative Motion Analysis

摘要

A pocket tracker for elderly people and Alzheimer's patients consists of a smartphone using GNSS, WLAN, RFID, and GSM for basic positioning, communication channels, and an accelerometer triad for collapse and motion detection. It seeks to determine not only the quantitative where but the qualitative how: has the user lost balance, fallen, or ceased moving? Accidents involving senior citi-zens and handicapped people have increased dramatically over recent years. Elderly people, es-pecially those with Alzheimer's dis-ease, often get in situations where they need assistance due to disorientation or after a physical collapse.