What is biometric access control system?

Biometric access control system Biotechnology and many other new technologies are mainly access control systems based on human biometrics. At present, Our country's biometric access control system is divided into face recognition, fingerprint recognition, iris recognition, palmprint recognition, finger vein recognition, voiceprint recognition, etc. These features are non-reproducible and help improve the accuracy of identification and verification. In addition, biometric access control systems also offer contactless access control options. Widely used in banks, hotels, parking lot management, computer rooms, armories, residential quarters, confidential rooms, factories, and other scenarios.

At present, the most widely used face recognition access control system, fingerprint recognition access control system, iris recognition access control system, and palmprint recognition access control system in our country:

The face recognition access control system collects the face information of all persons who are allowed to access the access control system and stores it in the face database. When a person accesses the access control system, the face recognition access control system will first obtain portrait information through the camera, then input the collected portrait information into the computer, and then perform face recognition. In this process, the system preprocesses the visitor's portrait information to avoid the influence of expressions, lighting, and input devices on the results, extracts the features of the preprocessed portrait, and identifies and compares the extracted information with the face information in the database, and record the recognition results. Once the face information that can be successfully compared is identified in the database, the access control system will receive the computer's door opening instruction, and the hardware part of the access control system will allow visitors to enter; otherwise, the computer will not issue the door opening instruction and the access control The system will not be opened, and the face information of the visitor will be recorded for future query and supervision.

Anviz Global Secure workplace , Simplify management Anviz Biometric Facial access control equipmentis equipped with a new Linux CPU that enables face capture in less than 0.5 seconds and improves recognition speed by 40%, increase speed while ensuring accuracy.

The information contained in the palmprint is rich, and the identity of a person can be determined completely by using the line features, point features, texture features, and geometric features of the palmprint. The basis of palmprint recognition technology is palm geometry recognition. Palm geometry recognition is to recognize the physical characteristics of the user's palm and fingers, and advanced products can also recognize three-dimensional images.

Palm geometry recognition is more convenient to use. It is suitable for scenarios with a large number of users or easy acceptance, and the accuracy is very high. In less than 1 second, the user's identity is confirmed by detecting the three-dimensional characteristics of the user's unique palm size, shape, surface area, etc., to ensure that only authorized personnel can enter specific areas, thereby achieving the purpose of access control.

The iris recognition access control system is to determine the identity of people and determine whether to open the door lock by comparing the similarity between iris image features. The process of iris recognition technology generally includes four steps: one is to use specific camera equipment to take pictures of human eyes, obtain iris images, and transmit them to the image preprocessing software of the iris recognition system. The second is to locate the iris, determine the position of the inner circle, outer circle, and quadratic curve in the image; And adjust the size of the iris in the image to the system setting parameters, that is, normalize and perform image enhancement. The third is to adopt a specific algorithm to extract the feature points needed for iris recognition from the iris image and encode them. The fourth is to match the feature codes obtained by feature extraction with the iris image feature codes in the database one by one to judge whether they are the same iris, to achieve the purpose of identification. The iris recognition access control system does not require physical contact and has a low false recognition rate and high reliability.

The hardware of the fingerprint access control system is mainly composed of a microprocessor, a fingerprint recognition module, a liquid crystal display module, a keyboard, a clock/calendar chip, an electric lock, and a power supply. The microprocessor, as the upper computer of the system, controls the whole system. The fingerprint identification module mainly completes the collection, comparison, storage, and deletion of fingerprint features. The liquid crystal display module is used to display information such as door opening records, real-time clock, and operation prompts, and forms the man-machine interface together with the keyboard.

The fingerprint reading device (collector) uses photoelectric technology or capacitive technology to collect fingerprint information, then extracts features and compares them with the stored feature information to complete the identification process. This process is all completed in the reading device, or the reading device can only collect fingerprints, and then transmit them to background equipment (such as PC) to complete feature extraction and identification. The device for separately collecting fingerprints is easy to miniaturize and easy to use, and the system identification speed is also relatively fast. The collection of fingerprint features requires the establishment of a prescribed relationship between the human finger and the collector during operation. Therefore, the system is less friendly.

Biostatistics shows that fingerprints are highly unique, and the probability of identical fingerprints among people is very low, so the security is relatively high, but there is still a risk of being copied.

Anviz Biometric Access Control & Time Clock System and Miracle Series - reliable outdoor Fingerprint face recognition access control products can be waterproof and dust-proof, can be used in the environment of -35 degrees to 60 degrees, suitable for use in factories and cold or hot outdoor environment.

Anviz Global Secure workplace , Simplify management provides a variety of biological access control system products, which can meet the needs of customers in different scenarios, and is equipped with corresponding CrossChex Standard - TIme Attendance Tracking Software Desktop, which can achieve channel access, personnel positioning and data export on the mobile terminal.