Objective The physical structure, physiological characteristics, and health status of skin tissues are closely related to the quality of daily life and safety of the human body. Measuring human facial skin structures and characteristics has attracted increasing attention recently, because it can reveal the health conditions of the body and the dense distribution and complex structures of skin tissues in different regions. Polarization imaging is a noncontact labelfree method that can provide abundant optical and structural information of tissues. Thus, it has been applied on many biomedical studies including facial skin tissue detection. However, there is still a lack of

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