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首页> 外文会议>International Conference on Mechanical Engineering and Mechanics vol.2; 20051026-28; Nanjing(CN) >Preparing the Coloring Data for the Rapid Formation of Surface Colored Models
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Preparing the Coloring Data for the Rapid Formation of Surface Colored Models

机译：准备着色数据以快速形成表面着色模型

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摘要

The proposed process includes the following procedures. First, a digital model must be created, and be stored in an appropriate file format. Second, the digital model must be sliced to get the section data of each layer, which includes the information of its geometry and its surfce color. This can be done using a voxelization slicing method. Third, in order to assure not baring the uncolored interior of a surface colored model after "subtractive" post processing, the colored regions in the slicing result should be thickened. A method based on the principle of Mathematical Morphology is suited for this purpose, which is both rapid and robust. Fourth, to color a full color model using a device which directly supports only a few color levels, a 3D halftoning method should be adopted. A good choice is a method based on subdivision, which is of small quantizing error, especially in the border regions, and can produce good halftoning results with some randomness to avoid layering effect. Some test results were presented, which demonstrate the applicability of the proposed process.
机译：拟议的程序包括以下程序。首先，必须创建一个数字模型，并将其以适当的文件格式存储。其次，必须对数字模型进行切片以获得每层的剖面数据，其中包括其几何形状和表面颜色的信息。这可以使用体素化切片方法来完成。第三，为了确保在“减法”后处理后不露出表面彩色模型的未着色内部，应该加厚切片结果中的着色区域。基于数学形态学原理的方法适用于此目的，该方法既快速又可靠。第四，要使用仅支持几种颜色级别的设备对全彩色模型进行着色，应采用3D半色调方法。一个好的选择是基于细分的方法，该方法量化误差小，尤其是在边界区域，并且可以产生良好的半色调结果，并且具有一定的随机性以避免分层效应。提出了一些测试结果，证明了所提出方法的适用性。

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