Integral photography (IP) is an ideal 3D image display system because observers can see realistic 3D images from arbitrary directions without wearing special glasses. In addition, IP is excellent since both pinhole arrays and IP images can be manufactured by printing special patterns on transparent sheets. This paper proposes a new method of synthesizing an IP image by using LightWave 3D, which is commercially available 3D software commonly used worldwide. A series of still images, each of which is taken from a different camera position are required. In order to automate it, the animation function of the software is utilized. Namely, a camera position corresponds to a keyframe, and all the keyframes are generated at a time by using an LScript, which is a script language developed for LightWave 3D. Under such a condition, still images taken from different camera positions can be acquired as sequentially numbered bmp images. The still images are synthesized by our original software to get an IP image. By experiments it was confirmed that proper 3D images can be observed with the proposed method.
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