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本文探讨一种在模型基图象编码中建立模型物体的方法，主要途径是双阈值处理的外轮廓提取，多层轮廓曲线族生成与多边形逼近，椭圆距离变换，立体三角形网络生成．最后给出了计算机模拟结果
In this paper, a method of model object in model base image coding is discussed. The main approaches are outer contour extraction of double threshold processing, multi-contour contour generation and polygon approximation, elliptic distance transformation and three-dimensional triangle network generation. Finally, the computer simulation results are given