Enhancing Bowel Sounds by Using a Higher Order Statistics-Based Radial Basis Function Network

doi:10.1109/JBHI.2013.2244097

CNU IR > Pharmacy and Science > Dept. of Food & Drug Industry and Inspective Technology > Periodical Articles > Item 310902800/27841

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题名:	Enhancing Bowel Sounds by Using a Higher Order Statistics-Based Radial Basis Function Network
作者:	Lin, Bor-Shyh Sheu, Ming-Jen Chuang, Ching-Chin Tseng, Kuan-Chih Chen, Jen-Yin
贡献者:	醫藥化學系老人服務事業管理系
关键词:	Bowel Sound Gaussian Noise Higher Order Statistics (Hos) Radial Basis Function (Rbf) Network
日期:	2013-05
上传时间:	2014-05-26 10:45:51 (UTC+8)
出版者:	Ieee-Inst Electrical Electronics Engineers Inc
摘要:	Auscultation of bowel sounds provides a noninvasive method to the diagnosis of gastrointestinal motility diseases. However, bowel sounds can be easily contaminated by background noises, and the frequency band of bowel sounds is easily overlapped with background noise. Therefore, it is difficult to enhance the noisy bowel sounds by using precise digital filters. In this study, a higher order statistics (HOS)-based radial basis function (RBF) network was proposed to enhance noisy bowel sounds. An HOS technique provides the ability of suppressing Gaussian noises and symmetrically distributed non-Gaussian noises due to their natural tolerance. Therefore, the influence of additional noises on the HOS-based learning algorithm can be reduced effectively. The simulated and experimental results show that the HOS-based RBF can exactly provide better performance for enhancing bowel sounds under stationary and nonstationary Gaussian noises. Therefore, the HOS-based RBF can be considered as a good approach for enhancing noisy bowel sounds.
關聯:	Ieee Journal of Biomedical And Health Informatics, v.17 n.3 pp.675-680
显示于类别:	[Dept. of Food & Drug Industry and Inspective Technology] Periodical Articles [Dept. of Senior Service and Health Management] Periodical Articles

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