期刊
SPECTROSCOPY LETTERS
卷 50, 期 3, 页码 164-170出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00387010.2017.1302481
关键词
Dynamic spectrum; noninvasive hemoglobin measurement; short-time Fourier transform; statistical characteristics analysis
类别
资金
- State Key Laboratory of Precision Measurement Technology and Instruments (Tianjin University)
- Physical Examination Centre of No. 254 Hospital of People's Liberation Army under the Tianjin Application Basis & Front Technology Study Programs [14JCZDJC33100]
An optimizing Dynamic Spectrum method based on short-time Fourier transform for noninvasive hemoglobin measurement was proposed. A total of 187 volunteers' spectral data and blood samples were prepared for the calibration (167 samples) and prediction (20 samples) sets. Data processing with optimizing dynamic spectrum method was set as experimental group, while control group was with classical method based on fast Fourier transform. The model for hemoglobin prediction was established with partial least square regression. In the experimental group, the average prediction correlation coefficient was 0.8399, while that of the control group was 0.6686. The results demonstrate that the optimizing method has a good accuracy improvement for noninvasive hemoglobin measurement. The optimizing dynamic spectrum method combining statistical characteristics analysis as a modified analytical method has a promising application prospect of application in noninvasive blood component measurement field.
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