Abstract: An additional service that can make eating more enjoyable for a customer in an eating facility is provided. A head-mounted display which is worn by a customer in a facility in which food is offered includes: a display unit that displays image content; an acquisition unit that sequentially acquires an image of predetermined food which is captured by an imaging device; a determination unit that determines whether the image of the food acquired at the time of second acquisition by the acquisition unit varies from the image of the food acquired at the time of first acquisition by the acquisition unit; and an image processing unit that adds a first predetermined variation to the image content when the determination unit has determined that the image of the food acquired at the time of second acquisition varies from the image of the food acquired at the time of first acquisition.

Abstract: A video providing system includes a predetermined space surrounded by surfaces with a single color; a video display apparatus mounted on the head of a user, and including two imaging devices disposed to be separated from each other by a gap corresponding to both of human eyes and perform imaging in a front direction of the user when the user wears the video display apparatus; and a specifying device that specifies a position and a direction of the video display apparatus in the predetermined space, wherein the video display apparatus displays a video prepared in advance at a location where the single color is imaged by the two imaging devices, and displays a video based on videos captured by the two imaging devices at a location where the single color is not imaged, according to a direction and a position in the predetermined space.

Abstract: A display apparatus is used in an entertainment facility, and worn by a user to display a video, and includes an acquisition unit that acquires position information in the entertainment facility, and a display unit that displays different videos whenever the user passes through a predetermined region included in the entertainment facility.

Abstract: Provided is an image output device including image acquisition means for acquiring an image related to a subject captured by a user, position information acquisition means for acquiring position information indicating a position where the image is captured, generation means for generating a landscape image in which an image based on the image acquired by the image acquisition means is superimposed on an image obtained by capturing the landscape, when displaying the image obtained by capturing the landscape of position information acquired by the position information acquisition means, and image output means for outputting the landscape image.