地图投影变换是数学制图学的一个新的研究和应用领域。
Map projection transformation is a new research and application field of mathematical cartography.
提出了一种无需相机标定的立体图像对平面投影变换校正方法。
A method is present to rectify stereo pairs without calibration for cameras.
地图投影变换是地图制图理论的基础，也是GIS的重要组成部分。
The transformation of map projection is the base for mapping theory and an important component of GIS.
用投影变换来帮助学习者培养空间想象能力是学习中必用的手段和方法。
It is necessary to learn the method of using projection transformation to train people the ability of spatial imagination.
根据地图投影变换原理，提出了一种新的地图投影变换方法，即牛顿迭代法。
This paper provides a new method for coordinate transformation between these two types and based on Newton's iterative method, which is derived from map projection principle.
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.
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.
最后，利用车辆的边缘信息，通过投影变换方法，对候选区域内的车辆进行定位。
At last, the edge information is used to located vehicles by project transform, and we can locate the vehicle in the potential vehicle region.
最后，利用车辆的边缘信息，通过投影变换方法，对候选区域内的车辆进行定位。
And the edge information of vehicle is used to position the vehicles by projection transformation.
分析了镜头的几何投影变换关系，标定了镜头的畸变系数，达到高精度测量目的。
The geometric projective transformation of lens was analyzed, and the distortion coefficients of lens were calibrated for realizing high-precision measurement.
文章提出了一种基于多重隐马尔可夫模型和区域投影变换的手写体汉字识别新方法。
A new approach for handwritten Chinese character recognition based on multiple hidden Markov model classifiers and sub-region projection transform is proposed in the thesis.
本文应用画法几何投影变换方法来研究瞬时螺旋运动有关构造、位移等参数之间的几何关系。
In this paper, the method of geometric transformation is used to search the relationship between the parameters of construction and the displacement of the flop.
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.
通过线特征滤波预处理和投影变换检测机场跑道线，进一步用模板匹配识别跑道端点以进行定位。
Through the linear feature enhancement and Randon transform to locate the runway line, then using model matching to find the exactly position of the runway end for registration of the airfield.
在投影变换的过程中对已有算法进行了改进以达到较好的效果，并对实验结果进行了分析和讨论。
Some existing algorithms are used and some changes are made to achieve a good result during projective transformation. Then the result of test is analyzed and discussed.
本文提出了一种球面上基本几何元素的园弧投影变换方法，并建立了三轴及对应的二轴园弧投影体系。
This paper presents a method of arc projective transformation of the fundamental geometric elements on a sphere, and sets up an are projective system for three axial and two axial correspondently.
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.
将来自不同国家的数据源进行数据转换、投影变换和误差校正，转换为统一的数据格式和投影坐标系统。
The data from the data sources of different countries are converted into the unifying data format and projection coordinates system by data conversion, projection conversion and error correction.
当前GIS中矢量数据的投影变换已日趋成熟，而栅格数据的投影变换的研究与应用还需要进一步的深入。
Map projection transformation of vector data is becoming mature presently, but research and application of raster data projection transformation in GIS needs further efforts.
该系统不仅可绘制晶体理想形态，也可绘出实际形态、准晶态，并对绘出的晶体图进行几何变换和投影变换。
The system can draw not only the ideal shape of crystal, but also the practical shape of crystal, quasi-crystal, and operate the figure with...
根据多波束声纳地形匹配导航中不同阶段对匹配性能的不同要求，提出了基于径向投影变换的快速地形匹配方法。
In order to satisfy the different needs of submarine navigated performance in the different navigation steps, the fast terrain matching algorithm based on radial projection transform is presented.
文中简明扼要地总结了几种常用的地图投影变换和大地测量成果转换，并给出算法及实现步骤，供作图人员参考。
In this paper author concisely summarizes a few common map-projection transforms and the result conversion of geodetic survey and gives their computer algorithm and the source program.
通过对地图投影原理的分析，提出了将我国目前通用的80坐标系所采用的IAG75椭球进行投影变换的方法。
Through analyzing the theory of projection, this paper gives an projection transform method by which can convert IAG75 spheroid, used by 80 coordinate system, which widely used in China.
对三维图形计算机显示的基本原理进行了讨论，详细介绍了坐标系变换、投影变换和明暗处理及光照模型的基本原理。
Then, the basic principles of drawing 3d graph by computer are discussed, particularly explained the fundamental theory of coordinate transform, projection transform and light model.
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.
通过分析光栅海图的投影原理和投影后的经纬度分布特点，利用墨卡托投影变换公式得出了其相应的数学模型和相关算法。
In the paper, through analyzing the two kinds of the coordinate systems' characteristics, the mathematical model and the correlative transformation formula was obtained.
GIS中的空间参照系统是GIS平台中的重要组成部分，内容包括各种坐标系统的转换和地图投影，故也称为投影变换系统。
As an important part of GIS platform, spatial reference system includes coordinate transformation and map projection, also named as map projection transformation system.
此方法利用ERDASIMAGINE的扩展库自定义新的投影椭球，用自定义的投影椭球对栅格数据成功地进行了投影变换。
Utilizing the extended library provided by ERDAS IMAGINE, and by using the self-defined spheroid IAG75 the projection transform of raster data is achieved successfully.
在获取分割后的二值化图像中，采用了形态学滤波算子进行去噪，然后利用二值图像投影变换，并参考石块底部阴影位置信息，辅助完成对部分场景下的石块识别和定位。
Binary image is filtered by utilizing morphological filter. Then, using the information of stone shadow and projection transform, detection and position of stone is utilized in part environment.
在获取分割后的二值化图像中，采用了形态学滤波算子进行去噪，然后利用二值图像投影变换，并参考石块底部阴影位置信息，辅助完成对部分场景下的石块识别和定位。
Binary image is filtered by utilizing morphological filter. Then, using the information of stone shadow and projection transform, detection and position of stone is utilized in part environment.
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