THREE-DIMENSIONAL VIDEO DISPLAY DEVICE, CONTROL METHOD THEREOF AND SCREEN ADJUSTMENT PROGRAM

摘要

PROBLEM TO BE SOLVED: To adjust display displacement of a screen of a video display device which displays video by an operation of a viewer.SOLUTION: An adjustment screen of a prescribed format including display of a specific display mark used for correcting display displacement of a screen in a relationship between a plurality of mirrors and a region of a screen of the prescribed format is generated and displayed on a display screen. Screen shift control is performed so that the adjustment screen including the specific display mark is moved forward or backward by a prescribed amount and displayed on the display screen in accordance with instruction of shift input for moving the screen displayed on the display screen in a front-back direction viewed from a user. The adjustment screen of the format is generated and displayed on the display screen by arranging video for displaying three-dimensional video in a plurality of regions in a state of the screen moved by the prescribed amount by the screen shift control (the state in which the display displacement has been corrected) and the displayed video is reflected by the plurality of mirrors and displayed as the three-dimensional video.