A method for distortion correction of computer-generated textured images maps vertices and texture coefficients from viewer space to projector space, so that environmental objects are pre-distorted upon the projection raster in order to appear in their proper form and perspective when the raster is projected...http://www.google.co.uk/patents/US5319744?utm_source=gb-gplus-sharePatent US5319744 - Polygon fragmentation method of distortion correction in computer image generating systems
