| 摘要 |
PROBLEM TO BE SOLVED: To provide a computer-synthesized hologram for reproducing a three-dimensional image that is of high resolution, has a large number of parallaxes, is free from image deformation, needs no holographic photography, and requires only simple image processing. SOLUTION: A virtual point light source group 11 is set spatially opposite to an observation side of a hologram 12 in the computer-synthesized hologram 12 in which the complex amplitude of an object light is recorded and a three-dimensional object is reproducible. A luminance and angle distribution T<SB>WLci</SB>θ<SB>xz</SB>,θ<SB>yz</SB>of the light emitted from each virtual point light source of the virtual point light source group 11 to the observation side is set so that it is equal to the luminance and angle distribution of the surface of the object 10 to be recorded when the virtual point light source is seen from the observation side. The emitted light in which an initial phase of the emitted light given off from each virtual point light source is set at a constant value is overlapped and recorded as an object light 1 at an arbitrary position of the observation side of the virtual point light source group 11. COPYRIGHT: (C)2004,JPO&NCIPI
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