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Advantages of biometric technology in building access control systems

  • Author:Security
  • Release on :2020-04-20

Application of biometric technology in access control systems

With the continuous development of biometric technology and the continuous growth of technology applications, its application in access control systems is also increasing. Biometric technology is safer, more secure and more convenient than traditional identification methods. It has the advantage of not being forgotten, good anti-counterfeiting performance, not easy to tamper with or stolen, portable and available anytime, anywhere. The combination of access control products and biotechnology has created fingerprint access control machines, finger vein access control machines, iris access control machines, and inspection products. Access various biometric access like biometric card reader. Biometric products meet the needs of the access control market and are in line with security product development strategies, which can enhance the competitiveness of the overall security solution. It is one of the indispensable products for industrial applications and can enhance the overall highlights of project design and level of security. Now, biometric products are gradually turning to civilian markets and integrated into building public safety.

Biometric products can be used on different occasions, according to different occasions, you can choose different technologies of biological access control products, high security locations. Selectable fingerprints, iris products, small offices can choose fingerprints and other access control products.

Biometric access control products have a high level of security. After all, the biometric features are unforgivable and the only features. Therefore, in today's relatively strict information security environment, the most advanced biometrics products, such as iris and veins, can be chosen. To meet customers' high security requirements for the system and can use inductive card technology, combined with multiple identification technologies, can further improve the security level of the product.

Compare and apply different biometric technologies

Biometric technology samples human biological characteristics, extracts properties and converts them into digital code, and continues to combine these codes into feature samples. Biological characteristics that can be used for biometrics are hand shape, fingerprint, face shape, iris, retina, pulse, auricle, etc., and the behavioral characteristics are signatures. , voice, keystroke strength, etc. Based on these characteristics, humans have developed a range of biometric technologies such as hand recognition, fingerprint recognition, face recognition, speech recognition, iris recognition, word recognition signed, etc.

Fingerprint recognition



Fingerprint identification is distinguished by comparing the detailed feature points of different fingerprints. Because each person's fingerprint is different, meaning that between ten fingers of the same person, the fingerprint is also significantly different, so the fingerprint can be used for identification.

The advantage of fingerprint recognition technology for the second-generation ID card application is more convenient to apply, has a long application time and has a high level of identification. However, fingerprints are a very vulnerable feature to be stolen and copied, and are less secure than other biological features. In addition, the stability of poor fingerprint characteristics, peeling, picky cuticles, wet and dry conditions will affect the application of fingerprints. During the second generation of ID card collection, groups like farmers and workers will have a large number of problems that cannot be collected. Because fingerprints can leave traces everywhere, which is more conducive to public security crime investigations, but because it is easy to copy, it also provides convenience for anti-crime investigations. It.

Face recognition

Facial recognition technology is a type of biometric technology that relies on facial features to identify an individual. Use the camera to collect images or video streams that contain faces and automatically detect and track faces in the image, then implement a variety of face-related technologies on detected faces. , including face image acquisition, face positioning and face recognition processing, memory storage, and comparative identification achieve the purpose of identifying different people. Facial recognition technology is an easy feature to collect, but because the face is three-dimensional, it is heavily influenced by light, expression, fat and thin, hair, motion, and because it is also a surface characteristics, so it is easily copied and forged. The stability and security of identity recognition and criminal investigation are low. If the technology fails, it will be widely used in public security and other fields.

Iris acknowledged

Iris technology is an identification technology that uses the structural features of human iris and more accurate iris recognition. The iris is a cloth-like ring of color in the iris of the human eye. Each iris contains a unique structure based on characteristics such as crystals, fibers, spots, structures, pits, rays, wrinkles and stripes. It is said that no two irises are the same. Iris recognition is relatively accurate from the technical indicators, but during use, it needs irradiation of the eyes with infrared or visible light to obtain images. The user has a low level of cooperation and has a high psychological exclusion, so it does not fit the ID card. Large crowd application. In addition, products such as beauty lenses currently available on the market can change the characteristics of iris and easily replicate. Iris identification technology has been applied in areas such as coal mine workers, prisoner management, bank vault access control, border security clearance, military security systems and Verify the identity of the candidate in China.

Finger vein identification

Finger vein recognition technology is a new biometric identification technology that uses the vein distribution image in your finger for identification. Medical research has found that when irradiating fingers with infrared rays, hemoglobin flowing in veins absorbs near the infrared ray to form images of blood vessels and images of finger veins can be obtained. through sensors and processed by algorithms to form characteristic patterns of finger veins. After medical verification, each person's finger vein image is different and the formation pattern is a unique biological trait that can be used for identification.

Finger vein identification technology is distinguished from other biometric technologies such as fingerprints, iris, human face, etc., because its biometric vein blood vessels are located inside the fingers. hand. Unless a live finger is copied, images of blood vessels formed by the flow of blood are obtained by conventional technical means. It is difficult to obtain and reproduce. It is not epidermis, safe, effective and convenient. Among many biometric technologies available today, fingerprint technology has the highest level of security and technical index and its usage habits are similar to fingerprints. Its wide application and addition or replacement of fingerprint technology in most areas will be future identification trends.

In short, the competition between these biometric technologies is mainly reflected in: First, the maturity of the technology itself; Second, the convenience of use; Third, the advancing ability of biometric product manufacturers; Fourth, market applications' reactions, such as fingerprints and facial recognition, are often applied in the early days by the judiciary. It is anticipated that these technologies will coexist for a long time and be used together. The long-term coexistence is because they will not be completely replaced even if the market is overlapping and market applications can be broken down seamlessly and different technologies can find the play space. their own development.

The more important trend is the diverse markets today, such as fingerprints and facial combinations, the combination of iris and fingerprints, and the application of many organisms at once, the combination of Its organic properties can help enhance the reliability, accuracy and rigidity of the system, and it can exert advantages and avoid deficiencies, and further promote the advantages of biometrics. .