Abstract

. We describe an efficient approach to rendering a perspectively correct image for a single eye point, on a potentially irregular display surface that is illuminated with one or more distinct devices, each with its own center of projection. Example applications include projector-based systems with multiple planar or irregular display surfaces, dome display systems, tiled multiple-projector systems, and wide-field-of-view head-mount systems using multiple display devices per eye. We use projective textures in a two-pass image-based approach. We first conventionally render an image of the desired graphics model. We then project that image as a texture onto a model of the display surface, and re-render the textured display surface model from the viewpoint of each display device. The approach, which effectively scales with the complexity of the display surface, can substantially reduce the overall rendering time, and under some circumstances can even obviate the need for addit...

Citations