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Application of Machine Vision Technology in Cosmetic Industry

Hits:Updated:2017-12-25 11:12:43【Print】

Skin care products, cosmetics have gradually become a necessity in people's daily life. One of the effectiveness of cosmetics is to play a role in regulating the texture of the skin, skin texture is an important factor in determining the degree of skin beauty. Image analysis of the skin surface morphology can be used to evaluate the cosmetic effect on rough skin. In the past, most of them used sensory evaluation, while the use of machine vision increased in recent years. For example: the use of image processing technology to evaluate the effectiveness of cosmetics on the skin, facial chloasma and wrinkles quantify quantitative determination of the growth rate of hair or skin cleansing effect.
 
The use of skin care products, to some extent, can improve the roughness and homogeneity of the skin. For example, a baby skin care product is rubbed on one face of five children aged from 1 to 6, and the other side is not rubbed at all. After 4 weeks, remove the image of the skin surface replica before and after use for analysis. As a result, the dermatoglyphics of the area where the cosmetic was applied were markedly changed, the symmetry of the dermatoglyphics was restored, and the texture of the dermis became better. Machine vision systems can be used to evaluate the effectiveness of general skin care products.
 
Based on machine vision technology, cosmetic performance testing equipment, the skin surface texture and scaling can be measured directly to study the surface morphology of the skin. When studying the texture, the skin was irradiated with a weak ultraviolet light of 320 nm to 400 nm directly from a light source (ultraviolet stroboscope) mounted on the sensor section, and then the skin surface image was obtained by a CCD industrial camera. After image processing, various parameters , To study the morphology of the skin surface.
 
When studying scaly skin, turn the operating ring and diffuse the UV light from the light source again using a diffuser plate. Because the light from the low angle of exposure to the skin surface, so the skin can not be reflected, just as the surface scales. Since the brightness of the scale site is higher than that of the surrounding area, this portion is extracted and quantified after being binarized, and the effectiveness of the cosmetics is evaluated from the change in the amount of scale. When evaluating the effectiveness of a cosmetic product, one must compare the same part before and after use, and it is important to improve the matching accuracy of the image.
 
In addition to the use of machine vision image processing techniques to determine cosmetic effects and performance, there are many uses. For example, studies have been made on the measurement of the skin temperature distribution for the effect of rubbing, the moire three-dimensional measurement for skin relaxation, the study of make-up defects and the like from the change of the color tone of the make-up skin. It can be said that the footprint of machine vision has spread throughout every corner of our lives, making our life safer and better. The popularization and application of related technologies have become the development trend of technological progress.
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