Accurate Recognition and Misrecognition Rate Analysis of Fingerprint Lock
I. Introduction
With the development of science and technology, intelligent products play an increasingly important role in people's lives. Among them, fingerprint lock has been widely used and recognized for its convenience and safety. This paper will start with the working principle of fingerprint lock, and focus on its accurate recognition ability and the related problems of false recognition rate.
Second, the working principle
The core of fingerprint lock is biometric technology. Everyone's fingerprint is unique, and the probability of similarity in the world is extremely small, so it is regarded as one of the most reliable personal identification. Fingerprint lock is stored by collecting fingerprint images and converting them into digital signals. When verifying again, it can be unlocked or locked only by comparing whether the current input information is consistent with the pre-stored data.
Third, accurate identification ability
1. High-resolution sensor: High resolution can effectively improve the image definition, and then improve the accuracy of extracting feature points.
2. Multi-directional angle detection: support 360-degree omni-directional rotation scanning to ensure that complete grain information can be obtained quickly and accurately in different postures.
3. Automatic learning algorithm: With the passage of time, the user's fingers may have subtle differences due to growth and change; The automatic learning function can continuously optimize the database content to adapt to these fine-tuning.
Fourth, the analysis of false recognition rate
Although the products produced by most high-quality brands on the market can guarantee a low level of false positive probability (that is, unregistered users are allowed to enter by mistake), it is inevitable that some special circumstances will lead to misjudgment in the actual use process:
1. Fingerprint wear/damage: Finger epidermis damage caused by long-term friction will affect normal reading;
2. Wet hands or impurities such as oil stains affect normal reading;
3. Low-quality hardware equipment such as inferior material manufacturing, internal circuit aging failure and other factors may lead to performance degradation and lead to errors.
V. Conclusion
Generally speaking, compared with the traditional mechanical key method, fingerprint lock has been widely used in many fields by virtue of its unique advantages, and has been widely praised by consumers. However, everything has limitations, even the most advanced technology will be lacking-this requires us to fully consider all factors before choosing to buy, and choose the product that suits us best according to specific needs.
Rec. Prods.
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