Recognition of 3D Objects by Means of Laser Beam Section

概要

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In most of the so far proposed machine recognition processes of 3-dimensional bodies, the density distribution of images obtained from a video camera is first preprocessed by a computer and then line drawings are obtained for further recognition processes.In the present paper another procedure using the orthogonal light section method is described. A laser beam fanned out into a vertical plane is projected onto the sample bodies to produce narrow lines of intersection. The lines are observed by a camera in the direction normal to the laser beam. A family of intersection lines are thus obtained for various angles of projection of laser beam. The data about the vertices of the intersection lines are treated by a computer so that finally the descriptions about objects made up of several kinds of polygons are obtained.
公益社団法人計測自動制御学会の論文