| 三维碎片拼合的轮廓提取和特征点检测 |
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| 引用本文： | 朱延娟 周来水 王坚. 三维碎片拼合的轮廓提取和特征点检测[J]. 勤云标准版测试, 2005, 0(1): 23-29 |
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| 作者姓名： | 朱延娟 周来水 王坚 |
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| 作者单位： | 南京航空航天大学CAD／CAM工程研究中心,南京,210016,中国 |
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| 基金项目： | "十五"国家重大科技专项"北方牧区现代化奶业生产技术集成与产业化示范"项目(批准号:2002BA518A14)资助. |
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| 摘 要： | 针对三维空间碎片的拼接,提出一种轮廓提取和特征点检测的方法。首先,采用一种简单、有效的方法来构建三维碎片数据的拓扑关系,并在此基础上提取碎片的轮廓曲线。对存在缺陷、拓扑关系难以建立的三维测量数据,中给出了相应的修改、调整方法。同时,提出了一种对轮廓进行重采样的方法来计算空间轮廓上每一点的曲率和挠率。将曲率和挠率相结合得出轮廓曲线上各点的全曲率,然后由全曲率值来检测碎片轮廓的特征点。轮廓曲线的描述就由其上每一点的曲率和挠率以及特征点来表征。实验表明了该算法的有效性和稳定性。
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| 关 键 词： | 特征点 碎片 轮廓提取 三维 重采样 数据 曲率 挠率 轮廓曲线 表征 |
CONTOUR EXTRACTION AND FEATURE POINT DETECTION FOR 3-D FRAGMENT REASSEMBLY |
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| Gao Shuxin,Xu shangzhong,Li Jinquan,Ma Yun,Wang Guofu. CONTOUR EXTRACTION AND FEATURE POINT DETECTION FOR 3-D FRAGMENT REASSEMBLY[J]. , 2005, 0(1): 23-29 |
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| Authors: | Gao Shuxin Xu shangzhong Li Jinquan Ma Yun Wang Guofu |
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| Affiliation: | 1.Inner Mongolia Ethnical University, Tongliao 028000;2 Institute of Animal Science, Chinese Academy of Agricultural Science, Beijing 100094.;3 Inner Mongolia Agricultural University, Hohhot 010018.;4.Animal Science-Technology College of Northwest Sci-Te |
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| Abstract: | Major host-compatibility complex of dairy cattle was also called Bovine Leucocyte Antigen. It is concerned with repulsion response of transplantation and widely involved in adjusting and responsing of im munological response. Recent progress on MHC including its characteristics of chemical structure, function and of gene were summarized in this paper. The distinct immunological function of MHC and related issue concerned with its applicating on MAS of dairy cattle were especially introduced. At last, the future of MHC applied in animal disease-resistance breeding was discussed in this review. |
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| Keywords: | MHC gene BoLA gene MHC restriction MAS |
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