| 三维数字图像简化和细分的后处理 |
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| 引用本文： | 高鹏东,彭翔,刘则毅.三维数字图像简化和细分的后处理[J].计算机辅助设计与图形学学报,2004,16(4):584-588. |
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| 作者姓名： | 高鹏东 彭翔 刘则毅 |
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| 作者单位： | 1. 天津大学数学系,天津,300072;南开大学-天津大学刘徽应用数学中心,天津,300072
2. 深圳大学光电子学研究所,深圳,518060;天津大学精密测试技术及仪器国家重点实验室,天津,300072 |
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| 基金项目： | 国家自然科学基金 ( 60 2 75 0 12 )，南开大学-天津大学刘徽应用数学中心资助 |
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| 摘 要： | 三维成像及造型系统(3DIMS)通过对物体不同方向的数据采集，完成深度数据的匹配和融合．但由此得到的图像数据量庞大，质量也不能满足计算机动画等应用的要求．针对这一问题，将网格优化和细分曲面引入到对该三维数字图像的后处理过程．实验结果表明，该方法在数据压缩和曲面的表达等方面较3DIMS都得到了很好的改进．
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| 关 键 词： | 曲面重建 隐式曲面 网格简化 细分曲面 三维成像及造型系统 |
Post-Processing to Simplify and Subdivide Three-Dimensional Image |
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| Gao Pengdong , Peng Xiang , Liu Zeyi ,.Post-Processing to Simplify and Subdivide Three-Dimensional Image[J].Journal of Computer-Aided Design & Computer Graphics,2004,16(4):584-588. |
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| Authors: | Gao Pengdong Peng Xiang Liu Zeyi |
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| Affiliation: | Gao Pengdong 1,2) Peng Xiang 3,4) Liu Zeyi 1,2) 1) |
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| Abstract: | Three-dimensional Imaging and Modeling System (3DIMS) often collects range data of the object from different views, then completes the registration and integration of several partial images. However, data volumes of the resulted image are very huge and the image quality is not good enough to satisfy the demand of some applications such as computer animation. Mesh optimization and surface subdivision are needed to post-process the synthesized image. Experimental results indicate the improvement in terms of data volume and surface representation in comparison with the image obtained directly by 3DIMS. |
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| Keywords: | surface reconstruction implicit surface mesh simplification subdivision surface |
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