Method for controlling password input based on eye-gaze tracking

Abstract

The invention provides a method for controlling the password input based on eye-gaze tracking, specifically comprising the following steps of: (1) preprocessing face images and extracting eye characteristic parameters: detecting a face according to face structure characteristics, and extracting the eye characteristic parameters in a face area according with the face structure characteristics; (2)estimating the current fixation point position: realizing the estimation from the eye characteristic parameters to the current fixation point position by using double light source eye-gaze tracking based on similar triangles; and (3) controlling a password input operation according to the fixation point position: controlling the password input operation by utilizing a time threshold and sound feedback according to the fixation point position. The invention can effectively prevent user password from being stolen, avoids the cross infection among different individuals by residual bacterial virus on a keyboard because the password is not inputted through the keyboard and has the characteristics of simpleness, convenience and higher safety.

Description

technical field [0001] The invention relates to a password input control method, which belongs to the technical field of video, multimedia signal processing and intelligent control. Background technique [0002] With the development of science and the need for information confidentiality, password input systems have become an indispensable part of people's lives, such as account password input in financial transactions, anti-theft door password input, unlock passwords for mobile phones or computers, and personal confidentiality or privacy. The access password input of documents, etc. provide security guarantees for people's property, business secrets or personal privacy. [0003] However, the more and more extensive application of the password input system also has many potential safety hazards while bringing convenience to people. Because current password input system all will use password keypad or touch-screen system to carry out password input, and this is all inseparab...

AI Technical Summary

Problems solved by technology

They can spy from different angles, secretly install pinhole cameras to film the password input process, attach a thin film for fingerprint extraction on the keyboard or screen to steal user passwords, and even crack the user's computer, mobile phone or computer through keyboard wear and tear. Anti-theft door passwords bring huge losses to people

Images