| 纹理贴图模型的彩色截面轮廓生成算法研究 |
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| 引用本文： | 田同同,李论,周波,赵吉宾,徐家攀.纹理贴图模型的彩色截面轮廓生成算法研究[J].真空,2020(2):71-77. |
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| 作者姓名： | 田同同 李论 周波 赵吉宾 徐家攀 |
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| 作者单位： | 中国科学院沈阳自动化研究所;中国科学院机器人与智能制造创新研究院 |
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| 基金项目： | 国家重点研发计划全彩色分层切片与底层控制技术(2016YFB1102002);基于渐近聚类的复杂曲面分割及高效高精五轴数控加工方法研究(51605475);整体叶盘叶片自寻位研抛加工及表面完整性控制(51775542)。 |
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| 摘 要： | 针对彩色3D打印彩色轮廓生成问题,本文提出一种基于纹理贴图模型的彩色轮廓生成算法。根据平面投影法建立纹理和三维模型的映射关系,接着对该模型进行切片处理取得轮廓顶点的几何信息和纹理信息;并根据轮廓顶点和纹理图片的映射关系,插值出顶点间色彩信息;同时给出一种内外轮廓的快速识别算法,并提出一种基于偏置算法的彩色轮廓偏置方法,形成颜色厚度,消除阶梯效应。
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| 关 键 词： | 纹理贴图 彩色切片 彩色轮廓 颜色深度 色彩提取 |
Research on Color Section Contour Generation Algorithm of Texture Mapping Model |
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| TIAN Tong-tong,LI Lun,ZHOU Bo,ZHAO Ji-bin,XU Jia-pan.Research on Color Section Contour Generation Algorithm of Texture Mapping Model[J].Vacuum,2020(2):71-77. |
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| Authors: | TIAN Tong-tong LI Lun ZHOU Bo ZHAO Ji-bin XU Jia-pan |
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| Affiliation: | (Shenyang Institute of Automation,Chinese Academy of Sciences,Shenyang 110016,China;Institutes for Robotics and Intelligent Manufacturing,Chinese Academy of Sciences,Shenyang 110016,China) |
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| Abstract: | Aiming at the problem of color contour generation in color 3D printing,this paper proposes a color contour generation algorithm based on the texture mapping model.According to the plane projection method,the mapping relationship between the texture and the 3 D model is established,and then the model is sliced to obtain the geometric information and texture information of the contour vertex.According to the mapping relationship between the contour vertex and the texture image,the color information between the vertex is interpolated.At the same time,it gives a fast recognition algorithm for inner and outer contours,and a color contour biasing method based on the offset algorithm is proposed to form the color thickness and eliminate the staircase effect. |
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| Keywords: | texture map color slice color cross-section contour color depth color extraction |
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