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Biometrics technology is closely linked with high-tech means such as computers and optics, acoustics, biosensors, and biostatistics principles. It uses the inherent physiological characteristics of the human body (such as fingerprints, face images, irises, etc.) and behavioral features (such as handwriting, Voice, gait, etc.) to identify individuals. According to the physiological characteristics or behavior of human biological characteristics can be divided into a variety of biometric identification. Physiological features include hand shape, fingerprint, face shape, iris, retina, pulse, ear pin, etc. Behavioral characteristics include signature, voice, and key intensity. According to different physiological characteristics of human body, there are various identification methods such as fingerprint recognition, iris recognition, face recognition, palmprint recognition, voiceprint recognition, vein recognition, and brainwave recognition.
Since fingerprint recognition started earlier in the field of biometrics technology, and with the development of fingerprint identification systems beyond the financial, government, airport and other key departments, more and more companies have emerged in the field of enterprise-class civil use such as intelligent buildings and PC computers. Fingerprint recognition has become the most widely used and the largest market share of biometric identification technology. According to statistics, the annual sales volume of the Chinese biometric identification market in 2005 was approximately 165,000 units, of which more than 96% were fingerprint identification products. However, in practical applications, there are some problems with fingerprint recognition. When entering the office, the finger is pressed many times on the fingerprint access control system, but the door lock cannot be unlocked at all; fingerprints of people with weak fingerprint lines and manual workers' fingerprints are difficult to identify; the recognition rate is not high and so on. Because the fingerprint recognition technology is very demanding on the environment, it is sensitive to the humidity, cleanliness, etc. of the fingers, which will affect the recognition result.
The evaluation criteria of fingerprint identification technology are mainly FTT, FRR, FAR, and EER. Although many vendors of fingerprint verification technology, they generally claim that their products can achieve FRR<0.01% and FAR<0.001%. However, from published academic papers and authoritative tests, such indicators are difficult to achieve.
The lack of fingerprint recognition is also reflected in several aspects:
1. The environment is very demanding and sensitive to finger humidity, cleanliness, etc. Dirty, oil, and water can cause unrecognized or influential recognition results;
2. Some people or some groups have few fingerprint features or even no fingerprints, so it is difficult to image;
3. For the low-quality fingerprints such as peeling, scars, etc., there are difficulties in recognition and low recognition rate. For some of the special populations with more hands-on workers, registration and identification are more difficult;
4. Each time the fingerprint is used, the fingerprint of the user is left on the fingerprint collector head, and these fingerprint traces are used to copy the fingerprint.
5. Fingerprinting requires higher operating specifications;
Compared with these, finger vein recognition can effectively avoid these problems. Through the following introduction, we can see the advantages of finger vein recognition.
Finger vein recognition is a technique that uses near-infrared radiation to irradiate a vein in a living body, encrypts the captured image, and authenticates it. Medical research proves that the shape of finger veins is unique and stable. That is, each person's veins in the veins are not the same, and the vein images of different fingers of the same person are not the same; the shapes of veins in healthy adults no longer change. This provides a medical basis for the finger veins.
Compared with the fingerprint recognition technology, it has the finger vein hidden inside the body, and the chance of being copied or stolen is very small. The user's psychological resistance is low, affected by physical and environmental factors, and overcome the dry skin, oil, dust, Abnormal skin surface and other factors, the original finger vein image from capture to digital processing, the entire process is less than 1 second, and can trigger a high accuracy rate (false positive rate of 0.0001%, rejection rate of 0.01%, registration failure The rate of 0%) and many other important features make it far better than fingerprint recognition technology in terms of high security and ease of use.
Hitachi has been working hard to expand the scope of finger vein authentication. In 2002, Hitachi has been used in access control for door locks and personal authentication in financial fields such as ATM in 2005. Including access control management, financial sector and the information field. This time, the scope of application will be further extended to information security such as IT equipment. By expanding the scope of finger vein authentication, it will become the industry standard for user authentication.
At this stage, finger vein recognition still has an undeniable competitive advantage. In the coming period of time, this advantage will be maintained until newer and more complete technologies and products emerge. Nowadays, the finger vein recognition technology is developing at a high speed and is gradually gaining greater market space. The recognition of finger veins will surely achieve more rapid development and enter more fields.
Since fingerprint recognition started earlier in the field of biometrics technology, and with the development of fingerprint identification systems beyond the financial, government, airport and other key departments, more and more companies have emerged in the field of enterprise-class civil use such as intelligent buildings and PC computers. Fingerprint recognition has become the most widely used and the largest market share of biometric identification technology. According to statistics, the annual sales volume of the Chinese biometric identification market in 2005 was approximately 165,000 units, of which more than 96% were fingerprint identification products. However, in practical applications, there are some problems with fingerprint recognition. When entering the office, the finger is pressed many times on the fingerprint access control system, but the door lock cannot be unlocked at all; fingerprints of people with weak fingerprint lines and manual workers' fingerprints are difficult to identify; the recognition rate is not high and so on. Because the fingerprint recognition technology is very demanding on the environment, it is sensitive to the humidity, cleanliness, etc. of the fingers, which will affect the recognition result.
The evaluation criteria of fingerprint identification technology are mainly FTT, FRR, FAR, and EER. Although many vendors of fingerprint verification technology, they generally claim that their products can achieve FRR<0.01% and FAR<0.001%. However, from published academic papers and authoritative tests, such indicators are difficult to achieve.
The lack of fingerprint recognition is also reflected in several aspects:
1. The environment is very demanding and sensitive to finger humidity, cleanliness, etc. Dirty, oil, and water can cause unrecognized or influential recognition results;
2. Some people or some groups have few fingerprint features or even no fingerprints, so it is difficult to image;
3. For the low-quality fingerprints such as peeling, scars, etc., there are difficulties in recognition and low recognition rate. For some of the special populations with more hands-on workers, registration and identification are more difficult;
4. Each time the fingerprint is used, the fingerprint of the user is left on the fingerprint collector head, and these fingerprint traces are used to copy the fingerprint.
5. Fingerprinting requires higher operating specifications;
Compared with these, finger vein recognition can effectively avoid these problems. Through the following introduction, we can see the advantages of finger vein recognition.
Finger vein recognition is a technique that uses near-infrared radiation to irradiate a vein in a living body, encrypts the captured image, and authenticates it. Medical research proves that the shape of finger veins is unique and stable. That is, each person's veins in the veins are not the same, and the vein images of different fingers of the same person are not the same; the shapes of veins in healthy adults no longer change. This provides a medical basis for the finger veins.
Compared with the fingerprint recognition technology, it has the finger vein hidden inside the body, and the chance of being copied or stolen is very small. The user's psychological resistance is low, affected by physical and environmental factors, and overcome the dry skin, oil, dust, Abnormal skin surface and other factors, the original finger vein image from capture to digital processing, the entire process is less than 1 second, and can trigger a high accuracy rate (false positive rate of 0.0001%, rejection rate of 0.01%, registration failure The rate of 0%) and many other important features make it far better than fingerprint recognition technology in terms of high security and ease of use.
Hitachi has been working hard to expand the scope of finger vein authentication. In 2002, Hitachi has been used in access control for door locks and personal authentication in financial fields such as ATM in 2005. Including access control management, financial sector and the information field. This time, the scope of application will be further extended to information security such as IT equipment. By expanding the scope of finger vein authentication, it will become the industry standard for user authentication.
At this stage, finger vein recognition still has an undeniable competitive advantage. In the coming period of time, this advantage will be maintained until newer and more complete technologies and products emerge. Nowadays, the finger vein recognition technology is developing at a high speed and is gradually gaining greater market space. The recognition of finger veins will surely achieve more rapid development and enter more fields.
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