投影几何

矢量法在投影几何中应用的探讨

An Approach to the Vector in Application of Projective Geometry

对极几何是同一场景两视图之间固有的投影几何，它独立于场景结构，只依赖摄像机的内部参数和相对位置与姿态。

The epipolar geometry is the intrinsic projective geometry between two views of a static scene . It is independent of scene structure , and only depends on the camera 's internal parameters and relative pose .

在单个CCD摄像头固定的情况下，建立投影几何模型，计算所获取的动态图像上特征点的空间位移，得到时域上连续的脉搏信号。

The continuous pulse waves are obtained in time domain by calculating the space displacements of the feature points on movement image with single CCD camera .

极小最小二乘解正交投影几何原理

The Geometrical Principle of the Maximum Quadratic Orthogonal Projection

从对线圈曲线的平面投影几何分析入手，推导出了其空间曲线方程。

Based on the geometrical analysis on the plane projection of 3D loop curve , the spatial equation of the loop shape was derived .

然后用重投影几何误差作为线特征三角法的目标函数，实现算法的最大似然估计；

Secondly , the geometric reprojection error is used as the objective function of line feature triangulation method , assuring the maximum likelihood estimation .

应用解析几何与投影几何理论分析了三通薄壁圆柱管交线的特点，建立了交线的函数式。

On the basis of analytic geometry and projected geometry , the characteristics of intersecting lines of tee type thin cylindrical tubes are analyzed , and the functional equation is established .

以成像机理为依据，讨论了物方直线与其在两种传感器上所成影像的投影几何关系；

According to the imaging mechanism , this paper discusses the geometric relationship between the line in the object space and it 's images obtained by the TLS sensor and frame camera .

当今用于手工计算的空间角度的计算已有很多的方法（如：六面体法、投影几何法等），但这些方法用于计算机的算法还需作很多的工作。

There are many methods for space angle calculation in the filed of current handwork calculation , such as hexahedron , perspective geometry etc , but most of jobs in cyber-arithmetic still need further study for these methods .

在西方艺术史上两个最重要的发展：文艺复兴和二十世纪现代艺术的诞生，是相应地和当时兴起的透视画法（投影几何）、非欧几何相联系的。

As an example , the most important two developments in the history of western art : the Renaissance and the birth of twenty-century modern arts were related with the perspective ( Projective geometry ) and Non-Euclidean geometry respectively .

根据实际施工的应用，该方法与投影几何计算方法进行了对比分析，认为采用投影几何计算方法虽然较精确但比较繁琐，不易理解，难于掌握；

According to the application and contrasted with the traditional method-projection geometry calculation , it can be concluded : Adopting the traditional method , the calculating result is more accurate , but it is very intricate and not easy to command ;

在数学解析的基础上，根据平面和直线赤平投影的几何特征，利用CAD绘图功能制作平面、直线的赤平投影；

Based on the method of mathematical analysis , the stereographic projection of plane and line can be made by using CAD plotting function according to geometrical character of stereographic projection of plane and line .

该模型利用透视投影的几何关系，基于关联基准建立相应的数学模型，进而通过单目CCD摄像机像面坐标，重建物体落点的二维坐标。

This model can be used to build the corresponding mathematical model between reference points and measured points based on the interconnection base and the perspective projection geometrical relationship . And space two-dimensional coordinates can be rebuilt by using the image coordinates of the monocular CCD camera .

分布式曲面投影系统几何校正算法的研究

Research of geometrical calibration algorithm for distributed curved surface projection system

倾斜相机式投影的几何解法及其与外心投影的比较

A Geometric Algorithm for Tilted-camera Perspective Projection and the Comparison with External Perspective Projection

正交投影在几何建模、计算机图形学以及计算机视觉等领域受到广泛的关注。

Orthogonal projection has attracted much interest in geometric modeling , computer graphics and computer vision .

提出了基于投影和几何特征相结合的车牌定位方法。

A vehicle license location method based on the combination of the projection and the geometry characteristic is proposed .

本文是在高斯平面上探讨有序直线束外一点在该直线束上投影的几何性质。

This paper traces the geometric property of projectiveties of a point on an ordered line pencil on Gauss plane .

针对模拟整形手术中面部软组织变形问题，本文提出一种简化的基于柱面投影的几何有限元建模方法。

Regarding the facial soft tissue deformation problem in simulation of plastic surgery , this paper propose a simplified method of human facial modeling using geometric finite elements which is based on cylinder projection .

B样条曲面方向投影问题的几何计算方法

Geometric Method for the Directional Projection Problem of B-Spline Surfaces

斜投影画法的几何研究与计算机作图

Oblique Projective Description Research with Geometry and Computer Construction

用斜投影解决画法几何图解问题

To Solve Drawing Geometric Graph Problems With Oblique Projection

基于曲面透视投影和内在几何的自由曲面造型

Modeling a Free-form Surface Based On Perspective Projection , Normal Vectors , Tangent Vectors and Principal Curvatures

空间刚体加速度投影定理的几何证明及应用

A geometric proof on theorem of projection of acceleration of rigid body in space and its application

几何校正功能模块采用一种在极坐标系中基于投影承接面的几何特征的帧缓存纹理重映射技术来实现几何校正。

The geometric calibration module adopts one kind of frame buffer texture mapping technique which is based on the projection sock top in the polar coordinates system to achieve geometric correction .

用中心投影来推广初等几何定理

Generalizing the theorems of elementary plane geometry by using the central projection

斜投影及其在画法几何解题中的应用

Oblique Projection and Its Application to Solution of Problems in Descriptive Geometry

斜投影法在画法几何中的应用

The Application of Oblique Projection Method in Descriptive Geometry

四面投影的四维画法几何的影

Shadows of four dimensional descriptive geometry of tetrahedral projection

投影算子的某些几何性质及应用

Some properties of geometry of projections and Application