There are many kinds of access control, which one is easy to use?


In many corporate management, access control systems play a number of important roles. Not only does it have the control function of the gate, but also because the user's information is locked in the RF card, although it does not have the meaning of attendance management, it can also carry out detailed control of the personnel's access, so as to further the responsibility of the personnel. Clear division.

In addition, due to the large number of personnel in the gate control, and the complicated work of the personnel, the fingerprints often have different integrity or poor recognition, so this also promotes the RF for these enterprises to a certain extent. The dependence of access control equipment.

However, in practical applications, the radio frequency equipment has a clear defect in the identification of personnel: it is difficult to grasp the abnormal access situation in the first time, and the weak control ability of the personnel is a very intuitive defect of such equipment. Of course, in addition to this limitation of recognition, it is also an indispensable expense for the cost of RF cards for hundreds of thousands of dollars. Although the RF device may be slightly lower than the device for fingerprint recognition in identifying the device price of the terminal, the overhead of the RF card is greatly smoothed even beyond the difference in identifying the terminal.

Therefore, the stability of fingerprint recognition is insufficient, the security of radio frequency identification is weak, and the cost is high, which becomes an application trouble for some users.

Abnormality and weakness of biology and radio frequency

In fact, speaking of the advantages of radio frequency identification and fingerprint biometrics, in many cases, they show a complementary situation.

For RFID devices, it can be said that we have been with us for quite a long time. Moreover, in our daily application, many community access control basically adopts the RF card as the owner's control "key" for the community building door. Compared with the fingerprint identification device, the biggest feature of the RFID device is that it has stronger stability. In terms of convenience, for some fingerprint devices with weak fingerprint recognition capability, the advantages of the RF device are sometimes more obvious. Therefore, although fingerprint recognition is becoming more and more popular in many fields of application, this does not completely incite other users to recognize such devices.

For the fingerprint attendance equipment, the detailed identification of the user's identity is undoubtedly the main factor that the biometric identification device can get everyone's heart. If it is superior to its convenience, security may be something that everyone values ​​more. In particular, fingerprint recognition realizes the dual recognition of identity and gate by means of a fingerprint, which undoubtedly allows many users to obtain more satisfaction.

There are many kinds of access control, which one is easy to use?

However, if we pay a little attention to the application of the market, we may find such a status quo, although in the field of attendance, fingerprint recognition has presented a very hot trend. However, in the management of the access control system, many users (especially some community applications) are obviously more cautious in selecting fingerprints. For the reason, I am afraid that everyone has a very unified understanding. After all, for a fingerprint identification device that often "failed", giving the door to such an object is somewhat unreliable.

Therefore, under the contrast of these radio frequency and fingerprint characteristics, as the overall advantages and disadvantages are further narrowed, it is not surprising that users are hesitant about the choice between the two.

How to choose RF and biometrics

In fact, through the above analysis, our characteristics of the two most common access control methods, RF and fingerprint recognition, are basically clear.

Fingerprint recognition is simple and easy to identify, but the stability of the device is insufficient. Therefore, it is generally suitable for office areas that are easy to organize and manage. For places with relatively large numbers of people, the fingerprint identification device can also save more equipment costs. In addition, it can more clearly and effectively realize the control and recording of personnel access. However, it is a reminder that if the door controlled by the fingerprint recognition device has a high flow rate and the position is important, it is better to use more in-depth recognition of the cortex and other devices with auxiliary recognition functions to enhance the device as much as possible. The recognition success rate and ensure that in an emergency, there are other ways to ensure the normal switching of the gate.

For radio frequency identification, it is suitable for occasions where personnel are more complicated and the personnel attributes are relatively dispersed. Although it may be more costly than fingerprint recognition in terms of cost of use, the advantages of RFID devices are unmatched by the former compared to the higher requirements of fingerprint recognition in some recognition environments. In addition, if the gated traffic is small, the security requirements are not very high, and the personnel are relatively single, the RF access control device is also a better choice. After all, its input cost is far less than the fingerprint device at this time.

Is fingerprint recognition really good?

In addition, we must remind everyone that in fact, the face recognition equipment that emerged in the past two years is actually an ideal choice for us - the recognition success rate is high, the impact on the surrounding environment is small, and there is not much cost investment, in fact, it is solved. An effective way to solve stability problems. Of course, the user capacity of many face recognition devices is currently relatively limited, which also limits the application of some users to some extent.

Since the current access control identification technology is still in the process of exploration, it is difficult to find a so-called “full coverage” product, but more needs to be “tailor-made” according to its own situation. . Although in the past few years, the way of biometrics such as fingerprints has occupied the mainstream of public opinion. However, if we keep a cool head and clearly analyze our own needs, perhaps we can get a better management method from the products outside the mainstream.

How about vein recognition?

With the development of science and technology, vein recognition was included in the biometric identification in 2006, and vein recognition technology was gradually applied to the technical defense system, such as the palm vein recognition instrument. The palm vein recognition system has not only become the basic equipment of ATM systems in various banks in Japan, but also has become increasingly diversified in Taiwan, from basic access control systems to intelligent monitoring combined with RFID (radio frequency identification), and even with customers. The relationship management system is integrated.

The palm vein recognition first obtains the palm vein distribution map through the vein recognition instrument, extracts the feature value from the palm vein distribution map according to the special comparison algorithm, and acquires the image of the finger, the palm and the back vein of the hand through the infrared CCD camera, and stores the digital image of the vein. In a computer system, feature values ​​are stored. When the vein is compared, the vein map is taken in real time to extract the feature values, and the advanced filtering, image binarization and refinement methods are used to extract the features of the digital image, and the venous feature values ​​are stored in the host, and a complex matching algorithm is used. The venous features are matched to identify individuals and confirm identity

Advantages of vein recognition:

(1) It belongs to the characteristics of inner cattle, does not wear out, is difficult to forge, and has high safety.

(2) The vascular characteristics are usually more obvious, easy to identify, and good in anti-interference.

(3) Non-contact measurement can be realized, which is hygienic and easy to accept for users.

(4) It is not easily affected by surface scratches or oil stains.

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