Showing papers on "Bicubic interpolation published in 1971"
73 citations
TL;DR: Any two-dimensional interpolation scheme which has continuous derivatives may be used to represent an optical surface for ray-tracing purposes and bicubic splines are presented in their application to the design of asymmetric surfaces.
Abstract: Any two-dimensional interpolation scheme which has continuous derivatives may be used to represent an optical surface for ray-tracing purposes. We present bicubic splines in their application to the design of asymmetric surfaces. An as example of a problem requiring an asymmetric system, we analyze the design problems of a color TV lighthouse lens.
13 citations