A new method of locating a center-point of the circular projection was proposed based on the vector sum and image template convolving a mask over the gray-scale image directly and using the frequency domain computation is to reduce the time complexity.
该方法是基于灰度图像上进行圆心定位和圆周投影,不仅可以尽量多地保持原始字符图像的特征信息,而且克服了传统的基于二值化图像进行圆心定位时,过分依赖于二值化算法、抗干扰性差等弊病。
The circular projection algorithm was used to transform a character image with two independent variables into a function of one independent variable in the circular projection space.
利用圆周投影算法,把二维的字符图像转换为一维投影。
First-ly,the gray-scale character image is transformed into a function of one independent variable in the circular projection space.
提出了基于灰度图像的标牌压印字符特征抽取新方法,首先对灰度字符进行圆周投影,然后利用小波变换,将投影曲线分解为大致信号和细节信号的子样本,最后对子样本进行DCT变换,生成凹凸字符的特征矢量。
A new method is introduced,which extends three single mappings of facial texture to new ones by using cylindrical projection,then global seamless texture is realised through multi-level technique.
提出特定人脸模型的纹理映射的技术,用圆柱投影把人脸单独3幅渲染图展开成3幅新的视图,再用多分辨率技术把这3幅新的贴图进行无缝拼接,以得到全视角无缝贴图,最后用该无缝贴图对特定人脸模型进行渲染。
In order to establish GPS horizontal control of highway engineer,the observed GPS rectangular coordinates are usually transformed to plane rectangular coordinates by means of inverse cylindrical projection.
用GPS布设大面积工程平面控制网时 ,测得的空间直角坐标通常按等角横切椭圆柱投影方式来转化至独立平面坐标 ;当东西跨度较大时 ,往往长度变形难以控制 。
Research of Electronic Image Stability Based on the Circular Projection Matching
基于圆周投影匹配的电子稳像技术研究
conic projection with two standard parallels
双标准纬线圆锥投影
equalizer Mercator chart
赤切圆柱正形投影海图
lambert orthomorphic conical projection
兰勃特等角圆锥投影
equal-angle transversal elliptic cylindrical projection
等角横切椭圆柱投影
equatorial cylindrical orthomorphic chart
赤道圆柱正形投影地图
inverse cylindrical orthomorphic chart
横轴圆柱正形投影图
One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity.
当一质点以匀角速度作圆周运动时，则它在任意直径上的投影的运动便是简谐运动的一例。
Specific Geometrical Conditions and Application on the Projected Circle of an Oblique Elliptic Intersection Line on a Surface of Body-tilted Cut;
曲面斜截体椭圆投影成圆的几何条件及其应用
THE CAD SYSTEM OF THE PROJECTION PLANK OF ROUND FLANK GEAR AND ANTI ROLLING CHECKING;
圆弧齿轮投影板CAD系统及反滚检验
Deformation Analysis and Application of Conic Projection in Cartography
地图学中圆锥投影的变形分析及应用
Cylindrical Fitting with Levenberg-Marquardt Based on Projection
基于投影的Levenberg-Marquardt圆柱拟合
Two-step spatial circle fitting method based on projection
基于投影的二阶段空间圆线拟合算法
They are commonly used in map projections, polar projection, Mercator's projection Lambert conformal conic projection are three of them.
导出在极射赤面投影、卡托圆柱投影和兰勃脱正形圆锥投影等算法中确定位置坐标的精确公式。
a projection of the globe onto a cone with its point over one of the earth's poles.
把地球的投影图做到一个圆锥上圆锥的顶点是地球的一极。
The boundary line of a circle.
圆周一个圆的边界线
Circumference:The boundary line of a circle.
圆周:一个圆的边界线.
This is a section of an equidistant projection centered on Memphis Egypt.
这是一个以埃及孟斐斯为圆心等距离投影区段。