Video generation device, video generation method, and program

Abstract

To provide a video generation device or the like which generates a video allowing an acquirer to obtain an ideal posture of a presenter from any viewpoint in real-time without fixing a self-position, while at the same time, allowing confirmation of a self-posture. The presenter wearing a wearable device including a camera Cand the acquirer wearing a wearable device including a camera Cand a transparent display face each other and capture images of each other with each other's cameras, and the video generation device comprises: a corresponding point obtaining part which estimates a frame of the acquirer from a video obtained with the camera C, obtains a set Fof one or more corresponding points representing the frame of the acquirer which is estimated, estimates a frame of the presenter from a video obtained with the camera C, and obtains a set Fof one or more corresponding points representing the frame of the presenter which is estimated; and a video generation part which generates, based on the set Fand the set F, a semi-transparent video representing a posture of the acquirer such that the semi-transparent video matches a posture of the presenter which is transparently seen through the display.