2眼立体画像からの連続視域3次元画像の合成

概要

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Three-dimensional displays can be classified into binocular displays and autostereoscopic displays. The latter give us more natural depth sensation, but the recording of the autostereoscopic information is technically more difficult and expensive. In this paper, techniques for synthesizing an autostereoscopic image from binocular ones are presented. Intermediate-viewing-angle images are first synthesized from. binocular pictures by linear interpolation between "corresponding points" upon those pictures. The autostereoscopic spatial image is then obtained by integrating many intermediate-viewing-angle images. An optical setup for performing the interpolation all at once is proposed, and experiments are performed for line drawings and ordinary half-tone pictures. In a simple setup, ghost often appear due to the erroneous picking up of the "corresponding points". To reduce the probability of the ghost image generation, "local correlation schemes" have been devised. Computer simulation of the local correlation schemes are also performed. Synthesized intermediate-viewing-angle images produced both optically and digitally give fairly good depth sensation when observed through appropriate binocular stereoscopic viewers. A real-time display of the intermediate-viewing-angle image on a TV monitor is also demonstrated.
社団法人映像情報メディア学会の論文
1978-05-01