Method and system for evaluating skin wrinkles in specified position

Abstract

The invention discloses a method and a system for evaluating skin wrinkles in a specified position, and belongs to the technical field of skin detection. The method comprises the following steps: whenthe face of a user is detected to be in an acquisition area of an image acquisition device, the image acquisition device is used for shooting face images associated with the same face in the specified facial position under irradiation of different light sources respectively, and a skin detection mirror sends the face images and specified position identification to a cloud server; the cloud serverperforms processing with a photometric stereo method, unit normal vector and surface depth information of each pixel point are obtained by processing, and a face stereo image of a human face is formed; then, the face stereo image is judged according to the position identification by adopting a skin wrinkle evaluation model formed by pre-training, so that a skin wrinkle evaluation result is obtained and output. The method and the system have the beneficial effects that capacity of three-dimensional reconstruction and evaluation of the skin wrinkles is improved in combination with skin detection and the function of a cosmetic mirror, so that the user can accurately grasp own skin wrinkle conditions.

Description

technical field [0001] The invention relates to the technical field of skin detection, in particular to a method and system for evaluating skin wrinkles at a designated location. Background technique [0002] With the improvement of people's quality of life, more and more people, especially women, begin to pay attention to their own skin conditions, followed by the rise of beauty institutions everywhere, as well as various skin care products on the market. [0003] In order to keep abreast of the state of skin health, people usually choose to go to a beauty institution to obtain beauty services, and the beautician in the beauty institution evaluates the user's skin condition, and the beautician usually makes an assessment based on personal subjective experience , the results of each person's evaluation may be different, so users cannot accurately understand the health status of their facial skin, such as whether there are wrinkles at the corners of the eyes, whether there ar...

AI Technical Summary

Problems solved by technology

[0003] In order to keep abreast of the state of skin health, people usually choose to go to a beauty institution to obtain beauty services, and the beautician in the beauty institution evaluates the user's skin condition, and the beautician usually makes an assessment based on personal subjective experience , the results evaluated by each person may be different, so users cannot accurately understand the health status of their facial skin, such as whether there are wrinkles at the corners of the eyes, whether there are nasolabial folds on the face, etc.

[0004] In the current market, although there are some skin detection devices, such as skin detectors, etc., the price of these skin detection devices is relatively expensive, and the operation is very complicated, which is not suitable for users to use at home.

At the same time, the detection principle of these skin detection equipment is usually only through the sensory data collected by some sensors for plane data processing, and will not involve the problem of three-dimensional facial reconstruction, so it will be better for oily skin, skin dehydration and other skin conditions. detection effect, but the detection effect for the skin condition of facial skin wrinkles is not good, which cannot meet the needs of users

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