| 幼苗期油菜几何造型研究(英文) |
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| 引用本文： | 赵丽丽,温维亮,彭亚宇,郭新宇,陆声链,杜建军.幼苗期油菜几何造型研究(英文)[J].Agricultural Science&Technology,2011(7). |
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| 作者姓名： | 赵丽丽 温维亮 彭亚宇 郭新宇 陆声链 杜建军 |
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| 作者单位： | 国家农业信息化工程技术研究中心;首都师范大学信息工程学院;湖南省武冈市双牌中学; |
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| 基金项目： | Supported by Natural Science Foundation of Beijing City (4081001); National Agriculture Science and Technology Transformation FundProject (2009GB2A000001)~~ |
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| 摘 要： | 目的]研究幼苗期油菜的几何造型。方法]通过对幼苗期油菜的形态结构和生长过程的观测分析,提出了基于形态结构特征参数的幼苗期油菜三维形态数学模型及其可视化方法。根据油菜各器官的形态结构特征提取了不同的控制参数,并利用3次B啨zier曲面生成大小各异的油菜叶片与叶柄模型,同时采用上下底面积不同的圆柱体作为主茎模型,最后通过旋转、缩放、拼接等操作实现了幼苗期整株油菜的三维重建。结果]该方法具有一定的可控性,简单方便,可快速构建幼苗期油菜几何模型。结论]为油菜形态模型研究提供了参考。
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| 关 键 词： | Bézier曲面 油菜 几何建模 可视化 |
Geometric Modeling of Rape (Brassica napus L.) during Seedling Stage |
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| ZHAO Li-li,WEN Wei-liang,PENG Ya-yu,GUO Xin-yu,LU Sheng-lian,DU Jian-jun . National Engineering Research Center for Information Technology in Agriculture,Beijing ,.School of Information Science , Technology,Capital Normal University,.Shuangpai Middle School of Wugang City,Wugang.Geometric Modeling of Rape (Brassica napus L.) during Seedling Stage[J].农业科学与技术(英文版),2011(7). |
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| Authors: | ZHAO Li-li WEN Wei-liang PENG Ya-yu GUO Xin-yu LU Sheng-lian DU Jian-jun National Engineering Research Center for Information Technology in Agriculture Beijing School of Information Science Technology Capital Normal University Shuangpai Middle School of Wugang City Wugang |
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| Affiliation: | ZHAO Li-li1,2,WEN Wei-liang1,PENG Ya-yu3,GUO Xin-yu1*,LU Sheng-lian1,DU Jian-jun1 1. National Engineering Research Center for Information Technology in Agriculture,Beijing 100097,2.School of Information Science and Technology,Capital Normal University,3.Shuangpai Middle School of Wugang City,Wugang 422400 |
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| Abstract: | Objective] The paper was to study the geometric modeling of rape(Brassica napus L.) during seedling stage.Method] Based on the analysis and observation of morphological structure and growth process of rape during seedling stage,a characteristic parameters-based three-dimensional mathematical model of rape and its visible method was proposed.The individual control parameters were extracted according to the morphological structures of various organs of rape.Different sizes of leaf and petiole model were con... |
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| Keywords: | Bézier surface Brassica napus L Geometric modeling Visualization |
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