Patent Document ID: 6084594
Application ID: 09038102
Patent Status: 1

Claim One:
1. An image presentation apparatus comprising: a storage device storing a three-dimensional image; a display having a position and orientation which are variable; a projecting device projecting the three-dimensional image stored in the storage device on a two-dimensional image plane, to thereby obtain a two-dimensional image, a viewpoint being independent of a position and orientation of the image plane; and a decision device deciding a position of the viewpoint and the position and orientation of the image plane at the time of the projection by the projecting device according to the position and orientation of the display, the two-dimensional image being displayed on the display, wherein after the position of the viewpoint is initially decided, the position and orientation of the image plane are decided in accordance with the position and orientation of the display, and then the position of the viewpoint is decided so as to keep the position of the viewpoint constant.