1、 Technical principles

（1） Multispectral imaging technology

One of the core technologies of the VISIA7 facial image analyzer is multispectral imaging technology. This technology captures images of the skin in different spectra by using multiple light sources with different wavelengths, such as visible light, ultraviolet light, polarized light, etc. For example, images captured under ultraviolet light can clearly display pigmentation in the skin, such as pigmentation spots, freckles, etc; Images captured under polarized light can reduce the interference of skin surface reflection and more accurately reflect the texture and pore condition of the skin. Through multispectral imaging technology, VISIA7 can obtain more comprehensive and in-depth skin information than traditional cameras.

（2） High definition imaging and image processing algorithms

VISIA7 is equipped with a high-resolution camera that can capture clear and delicate facial images. At the same time, the device is also equipped with advanced image processing algorithms, which can automatically analyze and process the captured images. These algorithms can identify and quantify various features of the skin, such as pigmentation area, pore size, wrinkle depth, etc., and convert them into intuitive numerical values and charts. The combination of high-definition imaging and image processing technology not only improves the accuracy of detection, but also provides scientific basis for the diagnosis of skin problems.

（3） 3D modeling and facial feature analysis

Capable of 3D modeling, able to reconstruct a 3D model of the face based on captured 2D images. Through 3D models, doctors or beauticians can observe the condition of facial skin from different angles and assess skin problems more comprehensively. In addition, the device can also analyze facial features such as facial symmetry, contour, etc., providing personalized recommendations for cosmetic surgery and facial care.

2、 Functional application

（1） Skin problem diagnosis

The VISIA7 facial imaging system has a wide range of applications in the diagnosis of skin problems. It can quickly and accurately detect various skin problems, such as pigmentation, acne, enlarged pores, wrinkles, etc. Through multispectral imaging technology, the device can deeply analyze the distribution of skin pigments, degree of inflammation, and texture status, providing doctors with detailed skin health reports. This precise diagnostic function not only helps to detect skin problems early, but also provides scientific basis for the selection of treatment plans.

（2） Beauty Effect Evaluation

In the field of beauty, it can be used to evaluate the effectiveness of beauty care and treatment. By comparing the image data before and after treatment, the device can visually display the improvement of the skin, such as fading of pigmentation, reduction of pores, and reduction of wrinkles. This visual evaluation method not only allows customers to have a more intuitive understanding of the treatment effect, but also provides a powerful marketing tool for beauty institutions.

（3） Personalized care recommendations

Based on its powerful image analysis capabilities, the VISIA7 facial imaging system can provide personalized care recommendations to customers. The device can recommend suitable skincare products and care plans based on detected skin problems, such as moisturizing, whitening, anti wrinkle, etc. This personalized care recommendation can better meet the skin needs of different customers and improve the effectiveness of care.

（4） Research and Teaching Applications

It also has important application value in dermatology research and teaching. It can provide researchers with rich skin image data, helping them better understand the formation mechanism and treatment methods of skin problems. At the same time, the device can also serve as a teaching tool to help students learn skin structure and pathological changes more intuitively, improving teaching effectiveness.

3、 Summary

The VISIA7 facial image analyzer, with its multispectral imaging technology, high-definition imaging and image processing algorithms, and 3D modeling capabilities, has demonstrated powerful capabilities in skin problem diagnosis, beauty effect evaluation, personalized care recommendations, as well as scientific research and teaching. It not only provides precise detection tools for the dermatology and beauty industries, but also provides scientific basis for personalized care and treatment.