A Viewpoint-Dependent Approach to Ray Trace Free-Form Surfaces - Formella, A.; Müller, K. (Computer graphics forum, 2004)
Keywords: Algorithms; Bézier curves; Computer graphics; free-form surfaces; I.3.5 [Computer Graphics]: Free-form surfaces; I.3.7 [Computer Graphics]: Ray tracing; ray tracing; Studies; view-dependent representation