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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.
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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Fingerprint recognition and vein recognition knowledge!
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.