METHOD FOR CONTROLLING TOUCH SCREEN BY DETECTING POSITION OF LINE OF SIGHT OF USER

摘要

The present invention relates to a method for controlling a touch screen by detecting the position of the line of sight of a user and, more particularly, to a method for controlling a touch screen by detecting the position of the line of sight of a user, whereby a camera detects the position of the line of sight of the user in a touch screen terminal having the camera attached thereto, and the screen is changed in accordance with the operation of an input means that touches the periphery of the position of the line of sight. In accordance with the present invention, there is an effect that the user can enlarge or reduce the screen even with only one input means and rotate the screen after touching the screen for a certain period of time.

主权项

1. A method of controlling a touch screen by sensing a position of a line of sight, as a method of sensing a position of a line of sight 30 of a user in a touch screen type user terminal 100 attached with a camera 108 and controlling the screen to be changed in accordance with an operation of an input means 20, the method comprising:
a first step of recognizing a pupil 10 of the user from an image photographed through the camera 108, by a control unit; a second step of grasping a position of the line of sight 30 that the pupil 10 of the user is looking at on a display 104 of the user terminal 100, by the control unit; a third step of grasping a position of a handling point 40 contacting with the input means 20 if the user contacts with the display 104 using the input means 20; a fourth step of sensing a change in the position of the handling point 40 by the control unit if the user moves the input means 20 while contacting with the display 104; and a fifth step of controlling the screen to reduce an image displayed on the display 104 if the handling point 40 is getting close to the line of sight 30 and enlarge the image displayed on the display 104 if the handling point 40 is getting away from the line of sight 30, by the control unit.