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Method and System for Non-Invasive Optical Blood Glucose Detection Utilizing Spectral Data Analysis
Method and System for Non-Invasive Optical Blood Glucose Detection Utilizing Spectral Data Analysis
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机译:利用光谱数据分析的无创光学血糖检测方法和系统
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摘要
Systems and methods are disclosed for non-invasively measuring blood glucose levels in a biological sample based on spectral data. A variety of techniques are disclosed for improving signal-to-noise ratio in the acquisition of spectral data and calculating attenuance of light attributable to blood in a sample. Disclosed techniques include (1) using a standard deviation operation in conjunction with the logarithm function, (2) using a normalization factor, (3) using a ratio factor, (4) accounting for the effect of temperature on various system components such as resistors, and (5) accounting for dark current in a light detector by performing a calibration.
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