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snake
- 在数字图像中虹膜位置的有效定位是虹膜识别的关键问题。用一种基于主动轮廓线模型的方法定位虹膜的位置,先用灰度投影法检测出瞳孔内的一点作为瞳孔的伪圆心,该圆心只要能落在瞳孔内部即可。然后以该伪圆心为中心,在其周围等角度间隔地取N个点作为初始的snake基准点,按照snake 的运行机制不断进化,直到虹膜的内边界为止。最后,计算进化后的snake形心和snake上的控制点与该形心的距离,取其平均值作为瞳孔的半径,动态轮廓模型的形心作为瞳孔的圆心,即可准确定位出虹膜内边界的位置。实验表明,与常见的定位方
02_3DViewing
- 一个小程序,实现计算机图形学中三维图形的投影及移动旋转等效果-A small program to achieve three-dimensional graphics in computer graphics projection and mobile rotation effects
proj-4.6.0
- 对GIS数据设置投影,进行投影转换的c代码-GIS data sets on the projection, the projection conversion c code
gauss
- 高斯投影的正解算法,用c++实现的,在vc环境下,中央经线是117-Positive Solutions of Gauss projection algorithm, implemented with c++, vc environment in the central meridian is 117
myprefixspan
- 用C自己写的prefixspan算法,输入输出都是对文本文件操作,能够正常运行,并显示了其投影过程中的步骤。-C write prefixspan algorithm, the input and output text file operations to normal operation, and shows the steps in the process of projection.
Guass-Kruger-Projection
- 高斯克吕格投影正反算程序,C语言控制台程序,可以自定义投影带和投影带大小-The high Trask Lvge projector pros and cons operator procedures, C language console application, you can customize the size of the projector with projection zone
Gaussian-projection-calculation
- 能够实现高斯投影坐标系之间的正算和反算过程,程序用c#编写,很精简的算法,值得借鉴。-It s for the Gaussian projection and inverse projection calculation. It is C# program. Very precise and recommended!
FourParameterConversion
- 本软件采用的是C#开发的测量坐标转换小工具,主要完成高斯投影坐标正反算及根据坐标对计算坐标转换四参数,并可以根据参数进行单点或批量坐标点的转换。-This software is used in the development of measuring coordinate transformation tools, mainly to complete the Gauss projection coordinates and calculation of coordinates accordi
shiyan3
- 投影改变,包括墨卡托和兰伯特投影,具有实用价值,gis,c#+Arcengine-Projection changes, including Mercator and Lambert projection
matlab+c
- 二维图像的投影和图像重建,直接傅里叶反变换法,先反投影后滤波,先滤波后反投影,卷积反投影(Two dimensional image projection and image reconstruction, direct Fourier inverse method, first backprojection, after filtering, first filter, back projection, convolution back projection)
案例13-直线段中点分割算法
- 计算机图形学里的投影透视算法,所用软件是C++(Projection perspective algorithm in computer graphics)
案例17-正交投影算法
- 计算机图形学里的正交投影算法,所用软件是C++(Orthogonal projection algorithm in computer graphics)