There are several advantages to using face recognition for access control. Firstly, it is more secure than traditional methods such as passwords or keycards, as it is much harder to spoof someone's identity using a photograph or other image. Secondly, it is more convenient than other biometric methods such as fingerprint scanning, as it does not require the user to stop and scan their finger or iris. Finally, it can be used in conjunction with other security measures such as CCTV surveillance to provide a comprehensive security solution.
There are some potential drawbacks to using face recognition for access control, however. Firstly, the technology is still relatively new and immature, so there may be some teething problems. Secondly, it requires a database of facial images to be created and maintained, which could prove costly. Finally, some people may have privacy concerns about their facial images being stored and used for identification purposes.