METHOD OF PROVIDING IMAGE-BASED USER AUTHENTICATION, AN AUTHORIZATION SERVER, A TERMINAL, AND COMPUTER-READABLE RECORDING MEDIUM FOR THE SAME

摘要

The present invention relates to a user authentication method based on an image and, more specifically, to an image-based user authentication method configured to provide an image-based user authentication scheme rather than a text-based user authentication method, an authentication server, a terminal, and a computer-readable recording medium.