In daily life, home keys, passwords, and smart cards are usually used as tools to protect our identity and home security. However, such protective measures are often easily cracked by criminals, especially with the prevalence of Trojan horses and other methods of stealing important accounts and passwords through computers. To ensure our safety and property security, it is better to install additional personal protection systems. There are many methods, but finding an identification system representing our unique characteristics is the best way to protect the system. For example, everyone's fingerprints, palm prints, irises, faces, voices, etc. can be used as a biometric authentication system, and using biometric features for identification systems has gradually become an urgent market demand.
For human vision, facial features are the most direct way to recognize individuals compared to other features. Facial recognition is based on the different features of each person's face for identity recognition. Using lip shape to identify a person's identity is based on the fact that facial features include eye, eyebrow, nose, and lip characteristics. Lip recognition is based on a few features of the face, which can reduce a lot of processing time. It is hoped that lip recognition will become a widely used and mainstream identification method in the future.
