Tissue component noninvasive detection method, device and system and wearable equipment

Abstract

The embodiment of the invention discloses a tissue component noninvasive detection method, device and system and wearable equipment, and the method comprises the steps: obtaining a first light intensity value of each preset wavelength under each source detection distance for a detected part of a detected object; according to the absolute value of the light intensity variable quantity, determining a first light intensity measurement value and / or a first light intensity reference value from all first light intensity values corresponding to the preset wavelength, taking a source detection distance corresponding to the first light intensity measurement value as a measurement distance, and taking a source detection distance corresponding to the first light intensity reference value as a reference distance, wherein the first light intensity measurement value is a first light intensity value with the maximum absolute value of the light intensity variation, and the first light intensity reference value is a first light intensity value with the minimum absolute value of the light intensity variation. According to the embodiment of the invention, the measurement distance and the reference distance are accurately determined. On the basis, a basis is provided for the component concentration of the to-be-detected tissue by accurately determining the measurement distance and / or the reference distance, so that the detection precision is improved.

Description

technical field [0001] The invention relates to the technical field of spectral detection, in particular to a method, device, system and wearable device for non-invasive detection of tissue components. Background technique [0002] The detection method of near-infrared spectroscopy has the characteristics of rapidity, non-invasiveness and multi-dimensional information. Therefore, the detection method of near-infrared spectroscopy is usually used for component detection, in which tissue components include blood sugar, fat and white blood cells. However, since the tissue component to be measured absorbs relatively weakly, the variation range of the concentration of the tissue component to be measured is not large, so the effective signal to be measured is relatively weak. Moreover, it is extremely susceptible to the interference of human body background and changes in the measurement environment, which may even cover up the information of the tissue components to be measured, ...

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Problems solved by technology

[0005] However, the inventors have found that the prior art has at least the following problems: since the reference distance and the measurement distance vary with wavelengths, with measured objects, and with measured parts, the above-mentioned inability to address the measured object The measurement site can accurately determine the reference distance and measurement distance corresponding to each preset wavelength, thereby reducing the detection accuracy

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