基于主成分分析的图像特征提取

计算机科学经典著作之一，计算机图形学，C语言版本，不错的说！-one of the classics of computer science, computer graphics, C language version, it is true to say!

关于椭圆的一个优化算法-This is a optimized algorithm about ellipse.

中点椭圆生成算法-midpoint oval Algorithm

Matlab图像去噪的BM3D算法，最新paper算法实现，不同于网上的流传的编译后的dll文件，该算法中变换算法实现了FFT、DCT、小波变换等用于BM3D中的变换算法，同时，执行效率比较高，耗时短，程序经过优化，运行时间短。

Detect vga mode for set needed mode if you need

简单的emd开发程序，matlab程序，含试验数据。-EMD developed a simple procedure, matlab program, including test data.

在各种图形中，通过提取点的凹凸部分来鉴别曲线的特征，本节代码利用曲率关系分别提取凹点的个数，判断曲线的弯曲-In a variety of graphics, through the extraction point to identify curves convex-concave part of the characteristics of the code used in this section were extracted from concave curvature of the relationship between the number of points to determine the bending curve

一个地图编辑器，用于处理游戏方面的。和它配套的游戏引擎太大，发不上来！1-a map editor, for handling the game. And its supporting much of the game engine, a not answer! 1

三角函数曲线 图形的叠加 双y轴图形的绘制 图形标注 -Trigonometric function curve of the superimposed graphics double y-axis label graphics rendering graphics

凸包程序，在一堆离散的无规律的点中间找出一个边界！-Convex hull procedure, in a pile of discrete irregular border to find a middle point!