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Enhancing the Design pattern Framework of Robots Object Selection Mechanism - A Overview( Vol-2,Issue-5,May 2016 ) |
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Author(s): Anis Milton. G, Anteneh Belay |
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Keywords: |
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Objects, Dimension, transformations and construction. |
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Abstract: |
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In order to enable a computer to construct and display a three-dimensional array, solid objects from a single two-dimensional photograph, the rules and assumptions of depth perception have been carefully analyzed and mechanized. It is assumed that a photograph is a perspective projection of a set of objects which can be constructed from transformations of known three-dimensional models, and that the objects are supported by other visible objects or by a ground plane. These assumptions enable a computer to obtain a reasonable, three-dimensional description from the edge information in a photograph by means of a topological, mathematical process. A computer program has been written which can process a photograph into a line drawing .transform the line drawing into a three-dimensional representation and, finally, display the three-dimensional structure with all the hidden lines removed, from any point of view. The 2-D to 3-D construction and 3-D to 2-D display processes are sufficiently general to handle most collections of planar-surfaced objects and provide a valuable starting point for future investigation of computer-aided three-dimensional systems. |
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