Study on Heartbeat Information Acquired from Pressure Cushion Based on Body Sensor Network

Traditional Chinese medicine and Western medicine have proved that heartbeat information has a close relationship with human´s health and emotion. The feasibility of acquisition heartbeat information associated with emotion and health states based on body sensor network is a hot research topic. This paper proposes a novel method to collect heartbeat information from pressure cushion. Heart rate, respiratory rate and respiratory heart rate can be extracted from the change of pressure with wavelet analysis in our proposed method. We are able to extract above mentioned three parameters more accurately through several experiments, including children, elderly people and women.