An ICA Approach to Reject Noise from Pressure Changes of Pillow. - Masayuki Uchida; Wenxi Chen; Tetsu Nemoto; Keiichiro Kitamura; Yumi Kanemitsu; Daming Wei (CIT, 2004)

Unconstrained detection of respiration rhythm and pulse rate with one under-pillow sensor during sleep. - Wenxi Chen; Xin Zhu 001; Tetsu Nemoto; Yumi Kanemitsu; Keiichiro Kitamura; Ken-ichi Yamakoshi (Medical Biol. Eng. Comput., 2005)

Real-Time Monitoring of Respiration Rhythm and Pulse Rate During Sleep. - Xin Zhu 001; Wenxi Chen; Tetsu Nemoto; Yumi Kanemitsu; Keiichiro Kitamura; Ken-ichi Yamakoshi; Daming Wei (IEEE Trans. Biomed. Eng., 2006)