Identification of veins in biometrics

With the rapid development of information technology and the continuous progress of human society, new and higher requirements have been put forward for information technology. In the age of network informationization, more and more applications are required to identify people's identities. Digitalization and recessive identity are more required. How to accurately identify a person's identity and protect information security is a key issue that must be resolved in the information age. problem.


The vein recognition palm surface has a rich texture structure, including image features such as main lines, wrinkle lines, ridge lines, singular points, and textures. These features are all unique to humans and have nothing to do with genes, so palm veins contain a lot of information for use. Identification. The vein is located below the body surface, the pattern is complex, and the fraud is difficult. It is not affected by the external factors such as palm peeling, injury, and moisture, and the verification accuracy is high.

Vein recognition --- a type of biometrics. Vein Recognition System One way is to obtain a personal vein map through a vein recognition device, extract characteristic values ​​from a vein distribution map according to a dedicated alignment algorithm, and another way to acquire images of fingers, palms, and back of the hand vein through an infrared CCD camera. The digital images are stored in a computer system and feature values ​​are stored. When veins are compared, vein maps are taken in real time, advanced filtering, image binarization and refinement are used to extract features from the digital images, and complex matching algorithms are used to match the veins' eigenvalues ​​stored in the host so as to be performed on individuals. Identification, identity verification.

Biometrics technology will not be lost, stolen, and password-free.

The internal information of the human body is not affected by rough skin and external environment (temperature, humidity).

Wide range of applicable people, high accuracy, no copy, no fake, safe and convenient.

Vein recognition is divided into finger vein recognition and palm vein recognition. Palm veins have more vein images for preservation and comparison, and the recognition speed is slower. Finger vein recognition, because of its large capacity, fast recognition speed, but both have the advantages of high accuracy, living identification, etc., in the security of the access control. In short, the finger vein recognition reaction speed is faster and the palm vein safety factor is higher.

Palm Veins Technical Advantages Palm veins use human hemoglobin to absorb near-infrared light when passing through the veins, collecting images of veins under the palms of the palm and extracting them as biological features. Compared with other biometric technologies such as fingerprints, eye irises or hand shapes, the palm veins are extremely difficult to reproduce and forge. The biggest reason is that this biological feature is found under the skin of the palm of the hand and is invisible to the naked eye. In addition, because the palm vein usage is non-contact, it is more hygienic and suitable for use in public places. At the same time, the applicability of the palm of your hand is more natural, making it easier for users to accept. The palm vein recognition rate and refusal rate are also lower than other biometric technologies.

product features:

Indoor use of zinc alloy fuselage, removable palm rest contact/non-contact palm vein palm living identification can be connected to the access controller or direct control of the electric lock support stand-alone/network-connected products Technical parameters:

Authentication method: Standard type: palm vein recognition (1:N);

Recognition accuracy: When the false rejection rate is 0.01%, the error acceptance rate is <0.0001%

User's capacity: Maximum support 500 people Recognition speed: <1 second (1:N,N<500)

Log storage capacity: 100,000 operating voltages: 12V

Rated power: 5W

Working environment: Temperature: 0~50°C, Humidity: 3%RH~93%RH

Data interface type: RJ45; USB2.0; Wiegand26, 34; Lock control interface; Doorbell/alarm interface; Exit switch interface; Door magnetic interface door lock type; Various power off normally open/normally closed electronically controlled lock door lock drive Ability: When the electric lock and the unit share the power adapter, the driving current is ≤ 2A

Display system: 4-inch capacitive touch screen Dimensions: Standard type: 180 * 112 ** 33 (length * width * thickness) mm;

Application With the development of science and technology, vein recognition was incorporated into the biometric recognition in 2006, and vein recognition technology was gradually applied to the technical defense system, such as palm vein recognition. The palm vein recognition system not only becomes the basic equipment of ATM systems of various banks in Japan, but also gradually diversifies its applications in Taiwan. From the basic access control system to the intelligent monitoring combined with RFID (radio frequency identification), it can even communicate with customers. The relationship management system is integrated.

In addition to financial and information network security, palm vein recognition technology is also widely used in many areas that focus on personal information management. With palm vein recognition technology, the construction of a digital campus will be more thorough. This technology is used to manage the entrance and exit of student dormitories and teaching buildings, and even more detailed personal information management. Without the use of cards, the management and use of educational system facilities are very well organized.

It can be said that the palm vein recognition technology can be applied to almost all fields that require personal information identification, so that its identification, information confidentiality, and management work can be upgraded to a new level.

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