在水印使用DCT

傅立叶描述子，用于提取形状的特征。c++编写-Fourier descriptors for the extraction of shape features. c++ prepared

数字图像 图形处理 visual c++ 开发 转制代换的源代码-digital image graphics processing visual c conversion substitution development of source code

封装好的sift匹配库，只需输入两幅图像和拉普拉斯金字塔参数就可以求出对应的匹配点和基础矩阵。资源含dll,lib和.h文件，并提供了一个测试程序。使用十分便捷-Packaging good sift matching database, simply enter the two images and the Laplacian pyramid can be calculated parameters corresponding match point and the fundamental matrix. Resources including dll, lib and. H files, and provides a test procedure. Very convenient to use

图像处理类，可以用作显示图像，打开，并附有一个封装好的CDIB函数，可以直接调用其中的各个函数-Image processing class, can be used to display images, open, along with a packaged CDIB function, all of which can directly call the function

图像处理代码，主要是人脸的自动识别和检测。-Image processing code, mainly because they face the automatic identification and testing.

M a t l a b 在图像处理中应用的各种函数集，做图像处理的查询很方便-M atlab applications in image processing various function sets, the query to do image processing easily

线段及直线的基本运算 1. 点与线段的关系2. 求点到线段所在直线垂线的垂足3. 点到线段的最近点4. 点到线段所在直线的距离 5. 点到折线集的最近距离 6. 判断圆是否在多边形内7. 求矢量夹角余弦 8. 求线段之间的夹角9. 判断线段是否相交10.判断线段是否相交但不交在端点处11.求线段所在直线的方程 12.求直线的斜率 13.求直线的倾斜角14.求点关于某直线的对称点15.判断两条直线是否相交及求直线交点 16.判断线段是否相交，如果相交返回交点-straight line segment and a basic computing. Point and the line between the two. Seeking to point straight vertical line segment where the Pedal 3. Line points to the recent four points. Point to the straight line distance from the host 5. Set point to the recently broken away from six. To judge whether the circular polygon 7. for vector cosine angle 8. for the angle between the line 9. Line judge whether the intersection 10. Line judge whether the intersection but do not pay the endpoint Office 11. for the straight line segment where equation 12. for a linear slope 13. seeking straight tilt angle 14. Points on a linear symmetrical points 15. to judge whether the intersection of two straight and for 16 straight intersection. Line judge whether the intersectio

A paper about the Particle Level Set Library-A paper about the Particle Level Set Library

DE2板AV提取与处理，与原板配套使用，NTSC电视制式读入-DE2 board AV extraction and processing, supporting the use of the original board, NTSC TV standard read

模式识别的特征识别可有多种方法，同时每种方法都有着一定的局限性，这里给出一种比较通用的方法来进行识别-Pattern Recognition feature recognition can have a number of ways, while each method has certain limitations, here given a more general approach to identify the