Contemplation point method of detection and contemplation point detection device

摘要

As for this contemplation point detection device 1, illuminant 3a, 3b and the control circuit to have 4,5,6 which are provided outside open part 9of a 2 stereo cameras 2a, 2b and stereo camera 2a and 2b which acquire the face picture of object person A and 9b and image processing device 7, as for image processing device 7, to calculate the vector r to the pupil from the cornea reflected point of the object person A on the plane surface which is vertical to the base point line of stereo camera 2a and 2b on the basis of the face picture, on the basis of vector r the base point line angle of the gaze of the object person A for respectivelyCalculating , making use of function, f₁ corresponding to 2 stereo cameras 2a and 2b and in order for direction of the gaze which was calculated to become close, revising function f_{1 it} detects the contemplation point Q on the screen of object person A by calculating the direction of the gaze.