Application of face recognition technology in door lock

With the progress of science and technology and the development of intelligence, people's demand for safety and convenience is gradually increasing. In this context, face recognition door lock as a new type of intelligent door lock system came into being.

1. What is a face recognition door lock?

Face recognition door lock is a high-tech product that integrates modern biometric technology and artificial intelligence algorithm. It uses high-precision face recognition technology for identity verification, thus realizing the safety protection of home or office. Compared with the traditional key unlocking method, the face recognition door lock has the characteristics of higher security, more convenient operation and stronger functional expansibility, which improves the safety factor of living environment and working environment to a certain extent.

Second, the working principle of face recognition door lock

1. Image acquisition: When someone stands in front of the door, the camera will automatically capture the face image of the person;

2. Pre-processing: the collected images are converted into grayscale images, and the images are cut and scaled to achieve better matching effect;

3. Feature extraction: locate the key points of eyes, nose and mouth through face detection, and then extract these features as the basic data for subsequent comparison;

4. Matching and comparison: compare and analyze the extracted face features with all user templates stored in the database one by one;

5. Identity authentication: according to the comparison result, judge whether it belongs to the list of authorized personnel, and then control the on-off state of the access control system.

Third, the advantages of face recognition door lock

1. Safe and reliable: Face recognition technology based on deep learning algorithm has high accuracy, which can effectively avoid illegal intrusion caused by password leakage; At the same time, it supports the multi-level authority management function, which is convenient to flexibly set the authority difference between different visitors and ensure that the privacy of the house is not violated.

2. Simple operation: no need to carry any physical media (such asKey), only need a light sweep to complete the unlocking process, especially suitable for the elderly and children.

3. Powerful function: In addition to the basic door opening and closing, some high-end models are also equipped with functional modules such as remote monitoring and alarm notification, which makes the whole security system more perfect.

Fourth, summary

In a word, face recognition door lock has become one of the most popular products in the field of smart home with its excellent performance and humanized interactive experience. However, it is worth noting that although there are many types of face recognition door lock devices available on the market at present, consumers need to fully consider their actual needs before purchasing, in order to choose the ideal model that best suits their family situation.

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