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| PC-BASED 3-D RECONSTRUCTION FROM CROSS-SECTIONAL IMAGES |
| Luo Bin; Wang Bingquan |
| Department of EE & IS, Anhui University Hefei 230039 |
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Abstract It is an active researching area to reconstruct the model of 3-dimensional object from cross-sectional images and to display its visible surfaces. In this paper, the theory and the method of reconstructing the model of 3-D object and displaving its visible surface from X-CT imaqes are studied. Giving the number of segment points, a polygonal approximation method is presented. Then a fast contour interpolating method is introduced. The reconstructed liver voxel set is displayed with the depth-only shading method and the depth gradient shading method, the result is satisfactory. The software is written in C language and runs on PC-VISION image processing system.
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Received: 09 September 1991
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1993, Vol. 15 
