Patent ID: 7327389

Claim:
A three-dimensional image display apparatus for displaying a three-dimensional image of an object in a space by projecting a plurality of pieces of two-dimensional image information of the object obtained by viewing the object in different viewing directions, in projecting directions that are associated with the respective viewing directions, comprising: projecting means for projecting the two-dimensional image information of the object; projecting direction setting means for setting a projecting direction for the projecting means, capable of setting a different projecting direction for each pixel of the two-dimensional image information; and display control means for displaying a three-dimensional image with a low resolution by controlling the projecting direction setting means to project two-dimensional image information with a low resolution that is lower than the resolution of the projecting means simultaneously in every projecting direction that can be set, and for repeatedly performing a process of projecting the two-dimensional image information with the low resolution while changing pixels to which a specific projecting direction is assigned, to display a three-dimensional image with the same resolution as the resolution of the projecting means.