光谱学与光谱分析 |
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Characteristics Analysis of Human Tongue Reflectance Spectra |
ZHAO Jing1, LIU Ming2, LU Xiao-zuo1, LI Gang2* |
1. Institute of Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China 2. State Key Laboratory of Precision Measurement Technology and Instruments, Tianjin University, Tianjin 300072, China |
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Abstract The present paper presents the spectroscopic analysis method. Eighty samples of spectra data of tongue parts with coating and without coating were collected by Usb4000 spectrometer of Ocean Optics, then comparing the spectra data of the different parts of tongue we found that there was a relation between the spectra characteristics and tongue coating, and further analysis of the spectra data showed that there was a big difference between the two parts within the wavelength range between 500 and 600 nm. It was also found that the biggest differences appear when the wavelength is 579.39 nm, and at the same time, different colors of tongue coating were also compared, and the spectrum was also quite different because of different color and thickness of the tongue coating. The experiment results show that different color, thickness, and dryness of the human tongue coating lead to different spectral characteristics, and compared with the current colorimetric method of tongue characterization, spectral reflectance can reflect more physiological and pathological information. The experiment results also indicated that the different spectral characteristics of tongue property and tongue coating will be used for further separation of these two parts, and to provide an objective analysis index for tongue coating qualitative and quantitative analysis, so as to promote the objectivity of the TCM.
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Received: 2013-09-25
Accepted: 2013-12-14
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Corresponding Authors:
LI Gang
E-mail: ligang59@tju.edu.cn
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