Method for operating database for CAPTCHA test on image basis, method, system for CAPTCHA using the same and program recording medium for the same

摘要

PURPOSE: A database operation method for an image capturing based test, capturing method, system, and program recording medium are provided to simultaneously reduce the possibility of correct answer errors by storing images confirmed by users in an image database for capturing the confirmed image. CONSTITUTION: A database(410) stores a first image soring correct answers for a predetermined image factor utilized for capturing problem and a second image which does not include the correct answers. A server(430) communicates with a client(420) and includes the database. The client simultaneously receives problems for the specific image element of a first image and a second image stored in the database from the database. The client inputs a user response for the problems. The server stores the response for the second image to the database and permits the access from the client according to the response for the first image.