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A Parkinson’s Disease Measurement System Using Laser Lines and a CMOS Image Sensor

机译:使用激光线和CMOS图像传感器的帕金森氏病测量系统

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摘要

This paper presents a non-invasive, non-contact system for the measurement of the arterial dorsum manus vibration waveforms of Parkinson disease patients. The laser line method is applied to detect the dorsum manus vibration in rest and postural situations. The proposed measurement system mainly consists of a laser diode and a low cost complementary metal-oxide semiconductor (CMOS) image sensor. Laser line and centroid methods are combined with the Fast Fourier Transform (FFT) in this study. The shape and frequency and relative frequency of the dorsum manus vibration waveforms can be detected rapidly using our Parkinson’s disease measurement system. A laser line near the wrist joint is used as the testing line. The experimental results show an obvious increase in the amplitude and frequency of dorsum manus variation in the measured region in patients suffering from Parkinson’s disease, indicating the obvious effects of the disease. Both in postural and rest state measurements, as the patient disease age increases the vibration frequency increases. The measurement system is well suited for evaluating and pre-diagnosing early stage Parkinson’s disease.
机译:本文提出了一种非侵入性,非接触式系统,用于测量帕金森氏病患者的动脉背manus振动波形。激光线法被用于检测静止和姿势情况下的背手振动。所提出的测量系统主要由激光二极管和低成本互补金属氧化物半导体(CMOS)图像传感器组成。在这项研究中,激光线和质心方法与快速傅立叶变换(FFT)相结合。使用我们的帕金森氏病测量系统,可以快速检测出背部手腕振动波形的形状,频率和相对频率。腕关节附近的激光线用作测试线。实验结果表明,患有帕金森氏病的患者在被测部位的背侧manus变化幅度和频率明显增加,表明该病的明显影响。在姿势和静止状态测量中,随着患者疾病年龄的增加,振动频率增加。该测量系统非常适合评估和预先诊断早期帕金森氏病。

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