| 二阶曲线上的射影变换 |
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| 引用本文： | 杨俊林. 二阶曲线上的射影变换[J]. 河北职业技术学院学报, 2009, 0(1) |
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| 作者姓名： | 杨俊林 |
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| 作者单位： | 泰州师范高等专科学校; |
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| 摘 要： | 利用平面上的射影变换定义二阶曲线上的射影变换,并得到如下几个主要结论:二阶曲线上的射影变换一定是二阶曲线上有限个透视的合成;二阶曲线上的对合一定是透视;平面上的射影变换将二阶曲线上的透视变为二阶曲线上的透视。
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| 关 键 词： | 射影变换 透视 透视中心 射影映射 |
Projective Transformation On Curve of Second Order |
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| YANG Jun-lin. Projective Transformation On Curve of Second Order[J]. Journal of Hebei Polytechnic, 2009, 0(1) |
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| Authors: | YANG Jun-lin |
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| Abstract: | Use plane projective transformation definite the quadratic curve projective transformation,and obtains the following several main conclusions:In the quadratic curve projective transformation is certainly in the quadratic curve the limited perspective synthesis;In the quadratic curve involution is certainly a perspective;In the plane projective transformation becomes the projecting mapping in quadratic curve to the projecting mapping in quadratic curve. |
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| Keywords: | projective transformation perspective centre of perspectivity projecting mapping |
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