| 摘要 |
PROBLEM TO BE SOLVED: To provide a display concealment system capable of obtaining an image used in secret with simple processing by inverting the display position of the secret image with respect to a normal image.SOLUTION: A display concealment system according to a disclosure of the present invention comprises: a display unit displaying an image; an image generation unit generating an image to be displayed on the display unit; and an optical element permeating or cutting off the image displayed on the display unit, the image generation unit generating a normal image and a secret image and transmitting the normal image and the secret image to the display unit so as to synthesize the normal image with the secret image, the optical element permeating the normal image and cutting off the secret image, and the secret image being an image obtained by inverting the arrangement of pixels in inversion intervals into which the normal image is divided by a predetermined number of pixels at least in a horizontal direction or a vertical direction. |
