1. What is the basic principle of finger vein recognition technology?

The principle of vein recognition technology is to perform imaging recognition based on the hemoglobin in the blood that absorbs near-infrared light. The infrared-sensing camera takes pictures of the near-infrared-irradiated finger, collects the grayscale image of the blood vessels inside the finger, and then conducts the image. Multiple processing processes such as enhancement, filtering, normalization, binarization, and feature extraction use the spatial topology of veins to reliably and accurately determine a person's identity.

2. Can finger vein information be copied or stolen?

Vein authentication is the use of biological features inside the human body. People will not leave any traces in the process of using it. Without special technology and professional equipment, it is impossible to obtain vein images. Authentication can only be achieved in oxygenated blood. It is a real living body recognition technology.

3. Does light affect finger vein recognition?

Some wavelengths of light have an impact on vein recognition. Non-influential light sources: fluorescent lamps, energy-saving lamps, LED lamps; influential light sources: incandescent lamps, sunlight; XG-C500 can be used normally after multi-mode filtering as long as it avoids direct light interference.

4. Is there any effect after the finger is scratched?

If the scratch on the finger is within the range of feature collection, the wound or scar on the finger will change the transmission effect of infrared light, thus affecting the recognition rate. It is recommended to enter a few more fingers during vein registration to avoid finger injury or abnormality affecting normal use.

5. Will wet hands or peeling fingers affect recognition?

Veins are in the epidermis, dermis and subcutaneous tissue. Wet hands will not affect the recognition. Peeling of the fingers may affect the transmission of the light source. Normal human physiological skin changes will not affect the recognition