참고문헌
- J.H. Shin, Y.J. Chee, D.U. Jeong, and K.S. Park, "Nonconstrained Sleep Monitoring System and Algorithms Using Air-Mattress With Balancing Tube Method," IEEE Trans. Inf. Technol. Biomed., vol. 14, no. 1, pp. 147-156, 2010. https://doi.org/10.1109/TITB.2009.2034011
- S.H. Hwang, H.J. Lee, H.N. Yoon, D.W. Jung, Y.J.G. Lee, Y.J. Lee, D.U. Jeong, and K.S. Park, "Unconstrained Sleep Apnea Monitoring Using Polyvinylidene Fluoride Film- Based Sensor," IEEE Trans. Biomed. Eng., vol. 61, no. 7, pp. 2125-2134, 2014. https://doi.org/10.1109/TBME.2014.2314452
- C.W. Wang, A. Hunter, N. Gravill, and S. Matusiewicz, "Unconstrained Video Monitoring of Breathing Behavior and Application to Diagnosis of Sleep Apnea," IEEE Trans. Biomed. Eng., vol. 61, no. 2, pp. 396-404, 2014. https://doi.org/10.1109/TBME.2013.2280132
- D.W. Jung, S.H. Hwang, H.N. Yoon, Y.J.G. Lee, D.U. Jeong, and K. S. Park, "Nocturnal Awakening and Sleep Efficiency Estimation Using Unobtrusively Measured Ballistocardiogram," IEEE Trans. Biomed. Eng., vol. 61, no. 1, pp. 131-138, 2014. https://doi.org/10.1109/TBME.2013.2278020
- Junghun Lee, Jeon Lee, Hyo-Ki Lee and Kyoung-Joung Lee, "Sleep Apnea Detection using Estimated Stroke Volume," J. Biomed. Eng. Res., vol. 34, no. 2, pp. 97-103, 2013. https://doi.org/10.9718/JBER.2013.34.2.97
- T. Penzel, M. Moller, H.F. Becker, L. Knaack, and J.H. Peter, "Effect of Sleep Position and Sleep Stage on the Collapsibility of the Upper Airways in Patients with Sleep Apnea," Sleep, vol. 24, no. 1, pp. 90-95, 2001. https://doi.org/10.1093/sleep/24.1.90
- Y. Itasaka, S. Miyazaki, K. Ishikawa, and K. Togawa, "The influence of sleep position and obesity on sleep apnea," Psychiatry. Clin. Neurosci., vol. 54, pp. 340-341, 2000. https://doi.org/10.1046/j.1440-1819.2000.00705.x
- A. Oksenberg, D. Silverberg, D. Offenbach, and E. Arons, "Positional Therapy for Obstructive Sleep Apnea Patients: A 6-Month Follow-Up Study," Laryngoscope, vol. 116, no. 11, pp. 1995-2000, 2006. https://doi.org/10.1097/01.mlg.0000237674.66716.a7
- H. Nakano, T. Ikeda, M. Hayashi, E. Ohshima, and A. Onizuka, "Effects of Body Position on Snoring in Apneic and Nonapneic Snorers," Sleep, vol. 26, no. 2, pp. 169-172, 2003. https://doi.org/10.1093/sleep/26.2.169
- M.Y. Agargun, M. Boysan, and L. Hanoglu, "Sleeping Position, Dream Emotions, and Subjective Sleep Quality," Sleep Hypnosis, vol. 6, no. 1, pp. 8-13, 2004.
- J.D. Koninck, P. Gagnon, and S. Lallier, "Sleep Positions in the Young Adult and Their Relationship with the Subjective Quality of Sleep," Sleep, vol. 6, no. 1, pp. 52-59, 1983. https://doi.org/10.1093/sleep/6.1.52
- R.B. Berry, R. Brooks, C.E. Gamaldo, S.M. Harding, R.M. Lloyd, C.L. Marcus, and B.V. Vaughn for the American Academy of Sleep Medicine, The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.0.3, www.aasmnet. org, Darien, IL, USA: Amer. Acad. Sleep Med., 2014.
- K.M. Chang and S.H. Liu, "Wireless portable electrocardiogram and a tri-axis accelerometer implementation and application on sleep activity monitoring," Telemed. J. E. Health, vol. 17, no. 3, 2011, pp. 177-184. https://doi.org/10.1089/tmj.2010.0078
- C.C. Hsia, K.J. Liou, A.P. Aung, V. Foo, W. Huang, and J. Biswas, "Analysis and comparison of sleeping posture classificationmethods using pressure sensitive bed system," in Proc. IEEE Eng. Med. Biol. Soc. Conf., pp. 6131-6134, 2009.
- R. Yousefi, S. Ostadabbas, M. Faezipour, M. Farshbaf, M. Nourani, L. Tamil, and M. Pompeo, "Bed posture classification for pressure ulcer prevention," in Proc. IEEE Eng. Med. Biol. Soc. Conf., pp. 7175-7178, 2011.
- C.M. Yang, C.M. Chou, S.G. Chen, B.J. Li, S.H. Hung, C.H. Yang, C.C. Wu, M.C. Hsieh, T.L. Yang, "Sleeping ECG and body position monitoring system," in Proc. IEEE Eng. Med. Biol. Soc. Conf., pp. 1856-1859, 2009.
- H.J. Lee, S.H. Hwang, S.M. Lee, Y.G. Lim, and K.S. Park, "Estimation of Body Postures on Bed Using Unconstrained ECG Measurements," IEEE J. Biomed. Health Inform., vol. 17, no. 6, pp. 985-993, 2013. https://doi.org/10.1109/JBHI.2013.2252911
- Z.T. Beattie, C.C. Hagen, and T.L. Hayes, "Classification of Lying Position Using Load Cells under the Bed," in Proc. IEEE Eng. Med. Biol. Soc. Conf., pp. 474-477, 2011.
- Y. Li, J. Zhu, Z. Cao, M. Yu, "A Noncontact Method for Detecting Horizontal Positions from the Ballistocardiogram under the Bed," Journal of Electrical and Control Engineering, vol. 3 no. 2, pp. 18-23, 2013.
- J. Alametsa, J. Viik, J. Alakare, A. Varri and A. Palomaki, "Ballistocardiography in sitting and horizontal positions," Physiol. Meas., vol. 29, pp. 1071-1087, 2008. https://doi.org/10.1088/0967-3334/29/9/006
- F. Wang, M. Tanaka and S. Chonan, "Development of a PVDF Piezopolymer Sensor for Unconstrained In-sleep Cardiorespiratory Monitoring," J. Intell. Mater. Syst. Struct., vol. 14, pp. 185-190, 2003. https://doi.org/10.1177/1045389X03014003006
- S. Rajala and J. Lekkala, "Film- Type Sensor Materials PVDF and EMFi in Measurement of Cardiorespiratory Signals - A Review," IEEE Sens. J., vol. 12, no. 3, pp. 439-446, 2012. https://doi.org/10.1109/JSEN.2010.2089510