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Method and apparatus enabling the determination of the three-dimensional position of the points of the surface of any object by overlighting of a set of these points
Method and apparatus enabling the determination of the three-dimensional position of the points of the surface of any object by overlighting of a set of these points
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机译:通过对这些点的集合进行加亮来确定任何物体表面的点的三维位置的方法和装置
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摘要
The procedure involves successively illuminating zones (Z) to points on the surface to form images at two observation positions (101, 102). Each observation position has an objective lens (11, 112) with optical centre (01, 02) and optical axis (91, 92) and a photosensitive surface (121, 122). The illuminating source (S) lies on the line joining the optical centres (01, 02). The zones (Z) lie on curve at the body surface, each point of the curve belonging to a different plane passing through the optical centres. A correspondence is established between the point images (Y1, Y2) in the zone images (y1, Y2) at each observation position, which verifies the relation existing between the two pairs of coordinates associated with each of the point images corresponding to the same point object. The three-dimensional coordinates of the point objects are determined and thus the form of the surface of the body may be established. The appts. has two cameras at the observation positions, a light source, and a computer for determining the correspondences between images and thus the three-dimensional coordinates.
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