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1. 发明申请

US20130116580A1 SYSTEM FOR QUALITY ASSESSMENT OF PHYSIOLOGICAL SIGNALS AND METHOD THEREOF 审中-公开
标题翻译：生理信号质量评估系统及其方法
公开(公告)号：US20130116580A1
公开(公告)日：2013-05-09
申请号：US13701537
申请日：2010-07-02
申请人： Jia Liu , Pandeng Zhang , Xiaochang Liu , Xiaoan Gu , Jingyu Yan , Xinyu Wu , Yangsheng Xu
发明人： Jia Liu , Pandeng Zhang , Xiaochang Liu , Xiaoan Gu , Jingyu Yan , Xinyu Wu , Yangsheng Xu
IPC分类号： A61B5/04 , A61B5/0402 , A61B5/021 , A61B5/024 , A61B5/00 , A61B5/0215
CPC分类号： A61B5/04017 , A61B5/02 , A61B5/021 , A61B5/0215 , A61B5/024 , A61B5/0402 , A61B5/7203 , A61B5/7221 , A61B5/7225 , A61B5/7264 , A61B5/7267
摘要： The present disclosure relates to a system for physiological signal quality assessment, the system includes: a first filter module for implementing a filter process on an inputted first physiological signal; a first periodicity detection module for detecting periodicity of the filtered first physiological signal, and determining periodic segmentation point of the first physiological signal; a feature extracting module for extracting corresponding signal features of the first physiological signal in each heart period; and a fuzzy logic module for building up a fuzzy logic model according to the extracted signal features, and calculating a signal quality index for the first physiological signal in the relative period based on the built fuzzy logic model, and determining a signal attribute according to the signal quality index. A method for physiological signal quality assessment is provided as well. The system and method for physiological signal quality assessment calculate the signal quality index, determine the signal attribute according to the signal quality index, therefore recognize the abnormal signal out of the first physiological signal, and result in high quality physiological signals.
摘要翻译：本公开涉及一种用于生理信号质量评估的系统，该系统包括：第一滤波器模块，用于对所输入的第一生理信号实现滤波处理; 第一周期性检测模块，用于检测经滤波的第一生理信号的周期性，以及确定第一生理信号的周期性分割点; 特征提取模块，用于在每个心脏周期中提取第一生理信号的相应信号特征; 以及模糊逻辑模块，用于根据所提取的信号特征建立模糊逻辑模型，并且基于所建立的模糊逻辑模型在相对周期中计算所述第一生理信号的信号质量指数，并且根据所述模糊逻辑模型确定信号属性信号质量指标。还提供了用于生理信号质量评估的方法。生理信号质量评估系统和方法计算信号质量指标，根据信号质量指标确定信号属性，从而识别第一生理信号中的异常信号，产生高质量的生理信号。

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