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中文摘要：
为了缩短车身设计的周期，利用插值的三维重建方法被广泛地应用在车身造型设计。目前常用的插值方法存在细节特征表现不足，平滑但不过原始控制点等问题，提出了在利用Delaunay三角剖分生成的初始三角网格上进行二面角平分插值的方法，该方法通过二面角平分插值不断逼近原始曲面，插值出来的网格通过原始控制点集，符合车身外形的三维造型设计。实验结果表明：该方法不仅稳定性高，而且能保留曲面的细节特征，可适用于三维曲面重建的各种领域。
英文摘要：
In order to shorten the vehicle body design, the interpolation of 3D reconstruction method is widely used in the vehicle body design. The familiar interpolation method is difficult to express the detail characterization of the real surface well, and although the surface is smooth, it can＇t pass initial control points. A method that using of the Dihedral angle bisection interpolation build new points on the initial triangles by Delaunay triangulation is proposed in the paper, the method approximate the original surface by interpolation, new surface of interpolation can pass in- itial control points. It suffice vehicle body contour modeling design. The experiments have proved that the method has high stability and preserves detail characterization. It is suited to popularize in surface reconstruction, and some other field.
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