Many engineers shy away from spherical projection methods.
许多工程师对球面投影法有畏难情绪。
Spherical projection is a simple and effective method to transform a fisheye image to a perspective projection image.
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。
The performance of rough match on different images, and the influence of cylindrical and spherical projection on rough match are given.
本文给出了粗略匹配在不同图像上的表现，以及柱面和球面投影对粗略匹配精度的影响。
According to this spatial distribution, the probability density of each pole is calculated, thus forming a density map with principle and method of the spherical projection.
按照这样的分布规律统计空间上各极点的概率密度，并用球面投影原理和方法形成密度图。
You then project (or transform) the coordinate from WGS84 latitude and longitude (EPSG: 4326) to the map's current projection (Spherical Mercator) and zoom to it.
之后就可以将坐标从WGS84纬度和经度(EPSG： 4326)投影(或转变)到地图的当前投影(Spherical Mercator)并缩放到它。
Sometimes, you will be able to request data in the Spherical Mercator projection, and the data provider will project it for you — but don't rely on this.
有时，您可以请求Spherical Mercator 投影内的数据，并且数据提供者会为您进行投影 —但不要依赖于此。
OpenLayers does not have the ability to re-project data itself, so all data included in a map must also be provided in Spherical Mercator projection.
OpenLayers本身并不具备重新投影数据的能力，所以包含在地图内的所有数据必须在Spherical Mercator投影内提供。
These and many other commercial free data sources use the spherical Mercator data projection (identified by European Petroleum Survey Group [EPSG] code 900913).
这二者以及很多其他的商业的免费数据源都会使用球形的Mercator数据投影（由EuropeanPetroleumSurveyGroup [EPSG]code 900913 标识）。
The cofocal ellipse and hyperbola of spherical surface will also be projected into the cofocal ellipse and hyperbola in gnomonic projection.
球面上共焦点之椭圆、双曲线，在球心投影中仍投影成共焦椭圆、双曲线。
A 3-d face model is constructed by the imaging theory and spherical harmonics, combining with the principle of 3-d projection and PCA.
根据3 -D数据的优势，利用图像成像原理和球面调和函数理论，结合3 - D投影原理和PC A技术建立了一个3 - D人脸模型。
Panoramic images, varying according to projection models, can generally be divided into polyhedral panoramic images, spherical panoramic images and 360-degree panoramic cylinders.
全景图像根据投影模型的不同，一般可以分为多面体全景图像、球面全景图像和360度柱面全景。
Based on the stereographic projection that preserves Pythagorean-Hodographs, a spherical rational ph curve is constructed to solve this problem.
基于球极投影保持PH性质这一特性，通过球极投影把球面数据投影到平面上，构造一条平面PH曲线。
An approach is first posed by using gnomonic projection, based on the problem remaining unresolved, which is about the coating joint modeling and the joint overlap of spherical equilateral polygon.
针对球面等边多边形包覆拼接建模及出现拼接重叠等问题，分析了心射球面投射原理和共球面等边多面体的结构特征，提出了共球面等边多面体作心射球面投射的方法。
To Ensure realization of those parameters, criteria for designing, manufacturing and testing of spherical mirror and back projection screen of this system are discussed.
本文重点介绍了WIDE系统的设计原则和技术指标的确定，以及为保证指标的实现，确定球面反射镜和后投影屏设计、制造和检测指标。
As extension of the back-projection, a concept of spherical back-projection(SBP)is proposed, and then a SBP algorithm is presented to reconstruct near-field microwave images of conducting objects.
作为CT中背投影响的推广，给出了球背投影的概念，进而提出了由散射近场重建理想导体目标轮廓的球背投影法及其实现算法。
As extension of the back-projection, a concept of spherical back-projection(SBP)is proposed, and then a SBP algorithm is presented to reconstruct near-field microwave images of conducting objects.
作为CT中背投影响的推广，给出了球背投影的概念，进而提出了由散射近场重建理想导体目标轮廓的球背投影法及其实现算法。
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