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中文摘要：
基于面结构光数据特点对颜面赝复体与周围组织的几何及纹理光顺过渡方法进行了研究.利用隐函数来表征颜面赝复体与周围组织的3D模型,并且对两者的间隙进行重新三角化和伞形迭代运算,实现两者交界处的平滑过渡;利用带有像素和纹理信息的面结构光点云数据实现精确纹理映射,求解过渡区域颜色场的泊松系统方程,获取能够最佳拟合梯度的颜色场,实现两者交界处纹理的光顺过渡,避免纹理映射中的光照不均现象和纹理接缝现象.
英文摘要：
The purpose of this paper is to describe how to model the smooth and texturing blending sur‐faces for marginal area of facial prosthesis adjoined to surrounding tissues based on the characteristics of areal scan data .First in the geometry modelling stage ,the implicit function was used in segment 3D models to re‐triangulate the resulting gap and umbrella iterations and the smooth transition between facial prosthe‐sis and surrounding tissues can be achieved .Then in the texture mapping stage ,a seamless textured surface can be produced quickly based on the method of solving the Poisson equation for the colour field that best fits the colour gradients with a grid search structure .
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