This paper introduces holographic 3D displays for ray-based and wavefront-based light-field reproductions. As a raybased display though a hard copy 3D image, a holographic 3D printer is introduced, which automatically outputs highresolution full-parallax holographic stereograms from 3D image data. Fine-quality full-color 3D images were experimentally obtained with excellent gloss and texture appearances. As a wavefront-based display, we have proposed a technique for calculating computer generated hologram, in which the wavefront is derived from the light-ray information. High-resolution display of deep 3D scene is possible, while realistic image can be generated by utilizing conventional rendering techniques for computer graphics.
展开▼
