projective geometry

the intrinsic projective geometry between two perspective images of a single rigid scene is described by the fundamental matrix.

基本矩阵描述了同一个场景的两幅图像间存在的内在的几何关系。

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the theory of multicolor codes of pseudo-random array, the invariance of cross-ratio in algebraic projective geometry and the calibration model of projector which is regarded as a reverse camera are presented, and detailed steps to be taken for calibrating the projector are described.

依据伪随机彩色编码的原理，代数射影几何中的交比不变性质，以及被视为逆向照相机投影系统的标定数学模型，提出了投影系统的标定步骤和方法。

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The synthetic geometers were developing projective geometry.

综合几何学家们在发展射影几何学.

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By using the projective geometry, some schemes for generating rational curves from pencil of lines are investigated in this paper.

采用射影几何学方法，研究从直线束生成有理曲线的技术方案。

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Research into Effection Change Projection Plane Time about Three-Dimensional Projective Geometry

三维画法几何中有效换面次数的研究

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This theorem and its corollary link with the theories of corresponding polar and pascal lines and perspective axis. The conclusion of projective geometry can be applied to analytic and elementary geometries.

这个定理和推论将极线、巴斯加线、透视轴等相应理论联系了起来，便于将射影几何中的结论应用于解析几何和初等几何。

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In this paper, some theories and methods of affine geometry and projective geometry are applied in elementary geometry, and an instructive role of higher geometry is played in the teaching of elementary geometry.

从仿射几何和射影几何的理论与方法出发，探讨了它们在初等几何中的一些应用，有利于高等几何对初等几何教学的指导作用。

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in projective geometry one never measures anything, instead, one relates one set of points to another by a projectivity.

一个从未在射影几何任何措施，而是一个涉及一组点到另一个由投射。

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Cross ratio and element at infinity are two important concepts with projective geometry and primary tools in considerate projective property of figures.

交比和无穷远元素是射影几何中的两个重要概念，它们是探讨图形射影性质的主要工具。

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In this paper , the bar fixing problems of spatial four _ bar mechanism are discussed applying projective geometry.

应用画法几何探讨空间四杆机构各杆件的定位问题.

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In the calibration of the system, a plan based on the principle of cross ratio invariance in algebraic projective geometry was used to calibrate the coded light planes.

在对编码投影光平面的标定过程中，提出利用代数射影几何中的交比不变原理对其进行标定的方案，并论述了标定原理。

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Connected graded algebra is the main object studied in noncommutative projective geometry.

连通分次代数是非交换射影几何主要研究的具体对象之一.

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We shall interrupt the history of projective geometry.

我们要把射影几何的历史断开.

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American mathematician noted for his work on projective geometry and topology.

不为射影改变的性质的几何学.

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a novel concept of geometrical transformation with generalized connotation in projective geometry.

射影几何中一个具有更加一般化内涵的几何变换概念。

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Projective geometry, as an independent course, could find application in drawing geometry to solve some problems. This kind of application is dealt with in this paper.

射影几何作是一门独立的学科，本文着重阐述射影几何与画法几何的关系，讨论射影几何在画法几何中应用问题。

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