Face image biological key generating method

Abstract

The invention provides a face image biological key generating method. The face image biological key generating method includes steps of subjecting face images of users to characteristic space conversion, projecting the face images into a higher space, stabilizing facial feature information into an acceptable fluctuation range in the higher space, extracting digital sequences from stabilized feature vectors, and encoding in the digital sequences to generate a biological key. By adopting the face image biological key generating method, no face information of the users is required to be stored in mobile terminals and identification servers, and the face images of the users are also dispensed with transmission in the network. The users generate (user names and secret keys) pairs by acquiring the face images of their own and perform network identity authentication by various authentication methods derived from the (user names and secret keys) pairs. The private data of the users are subjected to direct encipherment protection by the method supporting the face biological secret key, and the method can be extended to application in the field of cloud storage safety. As long as key space of the face biological secret keys is larger enough, high safety can be guaranteed.

Description

technical field [0001] The invention belongs to the technical field of information security, and in particular relates to a method for extracting a human face biological key through a front face image. It can directly generate a biological key by ingesting a face image, which makes the face-based network identity authentication process more simplified and flexible, and provides a new authentication method for network identity authentication technology. Expand the application of face recognition technology in network security. Background technique [0002] In recent years, face recognition technology based on machine vision has received widespread attention because it can be widely used in daily life. One of the important applications is identity authentication. Face check-in systems and network-side identity authentication are all good examples of the use of face recognition technology. In the field of network identity authentication, face authentication adopts the followi...

AI Technical Summary

Problems solved by technology

This authentication mode has certain disadvantages: it needs to store and transmit user face information in an unsafe network environment

However, the current research does not give complete face feature information, and there is no practical face bio-key technology in actual production and life.

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