Rendering of transparent objects in large-scale full-parallax polygon-based computer holography

A rendering technique is proposed for creating full-parallax, large-scale computer-generated holograms (CGHs) that can reconstruct a three-dimensional (3D) scene, including transparent objects. The proposed method enables us to simulate optical refraction based on wave optics without relying on Snell's law. Several techniques are also presented to apply the method to creating large-scale CGHs by reducing the computation time. The validity of the proposed techniques is confirmed by fabricating an actual full-parallax, large-scale CGH.