在畸变得到有效校正的前提下，三维空间中的直线投影到图像平面上应该是直线。
Straight lines in the three dimensional world must project to straight lines in the image plane, if the distortion is compensated effectively.
福西厄斯•墨卡托的投影于1569年问世，马上就派上了用场，因为它把不变的方位描绘为直线，这对航海非常方便。
Gerardus Mercator's projection, published in 1569, was immediately useful because it depicts a line of constant bearing as a straight line, which is handy for Marine navigation.
虽然阳光呈直线照射，但光线在球型天空的投影却是巨大的圆形。
Now although sunlight indeed travels along straight lines, the projections of these lines onto the spherical sky are great circles.
想象有一个管道，将地球放于其中，沿着直线将地球的图像投影到管道中。
Imagine taking a tube, placing the Earth inside of it, and projecting the Earth's image onto the tube along that line.
线倾向：它是直线水平投影的方向，自正北顺时针度量。
Trend is the direction of the horizontal projection of a line, measured clockwise from north.
对于地球极表象为直线的投影，本文运用对偶变换和广义轴位变换，得出了它们的几种新款式。
This paper obtains some new types by using dualistic transformation and generalized transformation of axis, the projections in straight line for earth pole.
给两条白色的直线添加相同的投影。
利用空间直线的中心折反射投影的特性对全维视觉系统的标定方法进行了研究。
This paper introduces the study on omni - directional vision system calibration method using central catadioptric projection property of space line.
识别过程中，数码管二值化后的图像在水平轴上的投影，其上升沿或下降沿基本呈现直线的形状，尝试把最小二乘法应用于倾斜校正。
For recognition, the front or trailing edge of projection of binary image on horizontal axis basically shows linear shape, so least square theory is applied in tilt correction.
线倾向：它是直线水平投影的方向，自正北顺时针度量。
Trend is the direction of the horizont al projection of a line , me a sured clockwise from north.
例如，墨卡托投影是广泛使用艘舟艇，因为它产生的地图中，不断轴承线一条直线，从而大大简化了导航。
For example, the Mercator projection is widely used by boats and ships because it produces a map in which lines of constant bearing are a straight line, which greatly simplifies navigation.
提出一种矢量压缩编码新方法—矢量线上投影法，它将输入矢量用它在某条空间直线上的投影近似表示。
The dissertation proposes a novel method for vector coding, i. e. Vector Projection method, which approximately represents a vector with the orthogonal projection of its endpoint onto a straight line.
平面尺寸链时，一般用投影法将其转化为直线尺寸链求解。
Flat dimensional chain is always changed into linear dimensional chain using projection method.
解平面尺寸链时，一般用投影法将其转化为直线尺寸链求解。
Flat dimensional chain is always changed into linear dimensional chain using projection method.
本文论述了一般位置直线与各投影面的夹角相互关系问题及其在命题、解题方面的应用。
The relationship between the oblique line and every projection plane included Angle, and It's application on problems proposed and solved were discussed in the paper.
文中通过方程序的推导，论证了上述观点，并以此为基础，进一步论述了各种特殊位置直线的子午投影的方程序，以及这些子午投影旋转后所形成的曲面。
With this view point, all other meridian projection equations of lines in special positions, and the curved surface formed by the meridian projection after being rotated are presented.
对两条直线在某投影面上发生重影的现象进行分析，从空间角度认识其几何位置，由此得出重影线的定义。
It is in a straight-line projection of the two surface analysis of the phenomenon occurred in the film, from its perspective in geometric space, which leads to the definition of affected lines.
采用最佳拟合直线方法，计算产品模型投影轮廓多边形的长轴方位，并据此计算旋转变换所需转动角度。
Strategies of cubic projection and rotation transformation were put forward in this paper in order to transform the complicated 3D issues into 2D planar issues.
提出并论证了各种位置直线与平面相交，直线在相邻两投影面上可见性的投影规律。
The projection sequence of plane graphs apex and relationship of the sequence and plane faces were discussed in this paper.
在画法几何投影变换中，不论用换面法或旋转法，一般位置直线均需两次变换才能变成投影面垂直线。
In the transformation of descriptive geometry, no matter the method of change plane or revolve, the oblique line can be changed to a vertical line in two successive transformations.
并以此为基点，系统地研究了点、直线和平面的线投影。
A new projected light-lineal light is put forth according to production and actual life, lineal projection on point, line and plane.
相交的两直线构成空间夹角，该角的投影角将随两直线的位置状态不同而改变。
The two intersected lines form a space Angle. The projective Angle of which will change with the change of the location of the two lines.
在精确重建滤波过程中，需要计算投影数据的雷当变换，本文采用普通累加法和辛普森直线积分法来完成对象素网格的采样。
The Radon transform of the projection is calculated in the filtered process of exact reconstruction, Siddon and Simpson integral are used to sample the pixels to get the projection.
文中对两交叉直线段的夹成定角成定比的投影都相应地作出了图解。
In this paper speecified ratio projections of two segments of skew lines with a given included angle are illustrated correspondly.
文中对两交叉直线段的夹成定角成定比的投影都相应地作出了图解。
In this paper speecified ratio projections of two segments of skew lines with a given included angle are illustrated correspondly.
应用推荐