An algorithm called Radiant projection transformation (RPT) is proposed, and the mathematical model and implementation method, as well as the radiant projection transformation function (RPTF) are given, which can be used in the recognition of Chinese character in out of focus image.
提出了辐射投影变换(RPT),给出了数学模型和实现方法以及相应的投影函数(RPTF)。
Application of projection transformation and surface transformation in descriptive geometry;
投影变换剖析及换面法在画法几何中的应用
Application of MAPGIS projection transformation subsystem;
MAPGIS投影变换子系统的应用
It is necessary to learn the method of using projection transformation to train people the ability of spatial imagination.
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。
Deriving homography matrix of planar projective transform;
二维投影变换模型的单应矩阵表示
Through projective transform method of drawing geometry, a new method to solve parts form error according with the smallest condition is presented.
简述了求解零件形状误差—平面度误差的几种方法，并提出了一种新方法，用画法几何学中的投影变换法来求解符合最小条件的平面度误差，并与解析法进行了比较。
This paper suggests that counter thinking and projection change together with various drawing methods could help to find out the full necessary conditions for the conclusion and answer,and that when the counter path is explored,it would be possible to solve some space questions that are difficult to deal with by the normal thinking method.
用投影变换求解空间问题时,应用逆向思维方法与投影变换原理及多种作图方法灵活结合,逆向寻求结论成立、答案存在的充分必要条件,弄清逆向路径,可以解决某些用正向思维方法难以找到求解路径的空间题。
Computer Implementation Method and Optimization of Map Projection Transformation among Multi-projections;
多投影间地图投影变换实现的途径与优化
Design and Implement of Raster Data Map Projection Transformation Experimental System;
栅格地图投影变换实验系统的设计与实现
Raster Dataset projection transform based-on bilinear interpolation approximate grid algorithm
双线性插值近似网格的栅格数据投影变换
Study on the Application of Surface Method in Solving the Descriptive Geometry Projection Transformation Issue;
换面法在解决画法几何学投影变换问题中的应用研究
An Application of the Kriging Interpolation Approximate Grid Algorithm in the Raster Data Projection Transformation
克里金插值近似网格算法在栅格数据投影变换中的应用
A Cache Bounding Box Approach to Speed up Image Projection Transformation in Embedded Systems
嵌入式应用中加速图像投影变换的Cache包围盒方法
Switching Rule Based on Min-projection Strategy of DC-DC Converters
DC-DC变换器的最小投影法切换律
Eye contour extraction using PCA transform scattering projection
基于PCA变换扩散投影的人眼轮廓提取
Min-projection-strategy switching rules for DC-DC converters modeled as piecewise linear systems
DC-DC变换器分段线性系统的最小投影法切换律
Expressions for Analytical Transformation Between Gauss and Mercator Projections by Complex Numbers
高斯投影与墨卡托投影解析变换的复变函数表达式
Research on the Generalized Aluthge Transformation and Orthogonal Projections in B(H);
关于广义Aluthge变换和正交投影的相关研究
Projection on Convex Sets Super-Resolution Image Reconstruction Using Wavelet Transform
一种使用小波变换的凸集投影超分辨图像重建
Fast Filter Back Projection Algorithm Based on Symmetric Transformation Group
基于对称变换群的快速滤波反投影算法
Asymmetric watermarking based on Contourlet transform and subspace projection
基于Contourlet变换和子空间投影的非对称数字水印
Study on Improving the Precision of FTP Based on DLP Projector;
提高数字光投影傅里叶变换轮廓术精度的方法研究
The Effect of Stamp Duty on Stock Volatility and Turnover: Analysis Based on a Speculative Market;
印花税变动对股票波动率和换手率的影响——基于投机市场的分析
Image matching algorithm based on lifting wavelet transform and improved space projection
基于提升小波变换与改进空间投影结合的图像匹配算法
Exploration of Projection Distortion to GPS Net and the Method of How to Eliminate the Projection Distortion
GPS网投影变形及消去投影变形的方法
