ARRAY PHYSIOLOGICAL DETECTION SYSTEM AND OPERATING METHOD THEREOF

摘要

A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.

主权项

1. An array psychological detection system configured to detect a change of skin microcirculation, the array psychological detection system comprising:
a light source configured to irradiate a light on a skin area, wherein the light penetrates a surface of the skin area and reaches a dermis of the skin area; a photosensitive array including a plurality of photosensitive pixels, wherein each of the plurality of photosensitive pixels is configured to output a plurality of brightness signals as a photoplethesmography signal by continuously detecting an outgoing light that emits outwardly from the dermis of the skin area; and a processing unit configured to
convert the photoplethesmography signals of the plurality of photosensitive pixels into a plurality of frequency domain data,calculate a variation value and an average value of the plurality of frequency domain data, andidentify different microcirculation states according to a change of the variation value and a change of the average value.