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首页> 外文会议>Instrumentation and Measurement Technology Conference (I2MTC), 2012 IEEE International >Patient standing stability measurements using pressure sensitive floor sensors
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Patient standing stability measurements using pressure sensitive floor sensors

机译：使用压敏地板传感器进行患者站立稳定性测量

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Assessing a patient''s standing stability provides information to clinicians when monitoring a patient''s recovery after a stroke or hip surgery. This paper explores the usability of pressure sensitive floor sensors for capturing clinical information related to standing stability. The configurable parameters of the sensor array; sampling rate and resolution are varied to design a system that is efficient and effective in presenting data to clinicians. An algorithm using image processing techniques was developed to calculate the patient''s center of pressure (COP). The location of the COP is used to determine how symmetrical the patient''s stance is. While investigating the impact of reducing the sampling rate and resolution of the pressure sensor, a trade-off between bandwidth and accuracy was discovered. However the results show that the minimum sampling rate to obtain >95% accuracy was 3.3 Hz and the minimal resolution to obtain >90% accuracy used only ¼ of the sensor array.
机译：评估患者的站立稳定性可在监测中风或髋关节手术后患者的康复情况时向临床医生提供信息。本文探讨了压敏地板传感器用于捕获与站立稳定性有关的临床信息的可用性。传感器阵列的可配置参数；采样率和分辨率会有所不同，以设计一种有效且有效地向临床医生提供数据的系统。开发了一种使用图像处理技术的算法来计算患者的压力中心（COP）。 COP的位置用于确定患者的姿势是否对称。在研究降低压力传感器的采样率和分辨率的影响时，发现了带宽和精度之间的权衡。但是，结果表明，仅获得1/4的传感器阵列，即可获得大于95％的精度的最小采样率为3.3 Hz，而获得大于90％的精度的最小分辨率。

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