移动，旋转，缩放或应用透视变换到选定的区域。
Move, rotate, scale or apply perspective transformation to the selected area.
通过分析摄像机模型，本文给出了一种逆透视变换方法。
It's provide a good foundation for the road image processing.
在第二节里阐述了配光光形的计算，其中涉及透视变换理论和层的概念。
In the second section, calculation the light shape is introduced, the concept of layer and the theory of perspective transform are adopted.
它丰富了目前计算机绘图中对最简单圆形——点的齐次表示及其透视变换。
The result is that the homogeneous presentation and its perspective transformation for the simplest figure—the point are enriched in computer drawing.
本文在广义坐标系中采用投影和透视变换理论建立了网条结构光三维视觉检测模型。
Using projective and perspective transformations, the mathematical model of 3d vision inspection for grid structured light is established in homogeneous coordinate system in this paper.
首先介绍透视变换和透视纹理映射原理，并简要分析其在自由曲面纹理映射中的应用。
First, the principle of perspective transformation and its application in the texture mapping of free-form surface are presented.
本文对任意视点的透视变换进行了分析研究，提出了变换和计算的方法，并得出了若干结论。
This paper analysis the perspective transformation of arbitrary visual points. The methods of transformation and calculation are given, and several conclusions are reached.
根据线结构光视觉测头的光学成像特性，论证并建立了基于透视变换的摄像机及物像关系模型。
A camera model based on perspective transformation is analyzed and established according to optical properties of the laser vision probe.
对轴测投影和透视投影变换矩阵进行了研究，推出了三维图形变换的统一矩阵。
This paper studies the transformation matrixes for perspective projection and axonometric projection, deduces the general matrix for three dimensional graphic transformation.
文中以透视投影变换为依据，为基于两台经纬仪形成的一种非接触式光学柔性三坐标测量系统提出了一全新的数学模型。
In terms of perspective projection transformation, a novel mathematical model is proposed for a non contacting optical flexible 3d measurement system constructed by the two theodolites.
把鱼眼图象变换成透视投影图象，球面投影是一种简单有效的方法。
Spherical projection is a simple and effective method to transform a fisheye image to a perspective projection image.
以透视投影变换为依据，研究了空间三维测量技术，提出了一种新的标定方法。
In terms of perspective projection transformation this paper study the technology of spatial 3-d coordinate. New camera calibration technique is proposed.
透视投影变换是令很多刚刚进入3d图形领域的开发人员感到迷惑乃至神秘的一个图形技术。
Perspective projection transformation is to make a lot of just entering the field of 3d graphics developers are confused and even a mysterious graphics.
让光效果更明显，复制图层，并将两层合并，点击编辑-变换路径-透视。
To make the luminescence more intensive, just copy the layer and merge it with the previous one. Apply Edit - Transform -Perspective.
然后根据冠脉造影系统的透视投影模型得到两幅不同角度的造影图像之间的几何变换关系，以及空间点三维坐标的计算方法。
Then geometrical transformation matrix between views is obtained based on perspective projection model for X-ray angiography system, and 3D coordinate of spatial points are calculated.
本文针对图形标准渲染管道的图形渲染效率和图形真实感，在直线扫描转换、三维线性变换的统一推导和透视校正方面进行了以下研究：1提出了直线扫描转换的一种快速算法。
Based on the standard graphics rendering pipeline, studies have been made in the areas of graphics rendering efficiency and realism: 1 a fast algorithm of line scan-conversion is presented.
局部坐标系列世界坐标系的坐标变换可用于简化三维绘图，而世界坐标系到局部坐标系的坐标变换可用于产生透视投影。
The transformation from WCS to LCS can simplify the 3D drafting. The transformation from LCS to WCS can be used to generate the perspective projection.
局部坐标系列世界坐标系的坐标变换可用于简化三维绘图，而世界坐标系到局部坐标系的坐标变换可用于产生透视投影。
The transformation from WCS to LCS can simplify the 3D drafting. The transformation from LCS to WCS can be used to generate the perspective projection.
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