Computer Processing of Binocular Stereograph and Its Application to Computer Graphics

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  • ステレオ画像法の計算機処理とコンピュータグラフイックスへの応用
  • ステレオ ガゾウホウ ノ ケイサンキ ショリ ト コンピュータ グラフィックス

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It is popular to adopt a binocular stereographic technique for obtaining spacial information of objects in an outside scene. This technique is based on a binocular parallex of two pictures which are taken by separated cameras focusing the same object.<BR>In this paper we propose a system to extract spacial information automatically using this technique. The pictures are digitized by our drum-scanner and the data are punched on paper tapes so as to feed an image processor. The processor extracts feature points on each scanning line from image data, and detects the deviations of positions for all features appeared in both pictures. The coodinates of feature points in the 3-dimensional space can be calculated numerically from values of these deviations.<BR>Performing a proper coodinate transformation to these data, the processor composes image data such as a ground plane, a front view and a perspective. Then outputs these images using a dot-printer.<BR>Therefore the image processor system proposed can be put into practice.

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