DETERMINATION DEVICE FOR CHANGE IN PUPIL DIAMETER BY LIGHT STIMULUS, DETERMINATION METHOD AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a determination device that determines a change in viewer's pupil diameter by a light stimulus in consideration of a relative position between a display device for displaying an image and a viewer.SOLUTION: A determination device comprises: weighting means that obtains a weight coefficient of each pixel in one frame of image data on the basis of position information showing a viewer's position relative to a display device for displaying images, weights a luminance value of each pixel in the frame with the corresponding weight coefficient and then outputs the weighted image data; calculation means that calculates intensity of light stimulus from the frame on the basis of the luminance value of each pixel in one frame of the weighted image data; and determination means that determines a pupil diameter corresponding to the intensity of light stimulus of the frame, which is calculated by the calculation means, on the basis of model data showing a relationship between the intensity of light stimulus and the pupil diameter.SELECTED DRAWING: Figure 1