按AUTOcad2000文件格式写DXF文件，包括点、线、面

简单实用使图片旋转90度 添加模块 运用函数-turn90

三维模型重建 读取BMP文件，用三角面片法进行重建-restruction of 3D model

使用GDI函数绘出基本几何元素，如点、线、矩形、圆、椭圆、多边形、圆弧等、并能够用颜色填充 -Plotted using the GDI function, the basic geometric elements, such as point, line, rectangle, circle, ellipse, polygon, arc, etc., and can be filled with color

图形边缘检测，主要是采用自适应检测的算法，可能对初学者有些用处。不足指出见凉啊-graphics edge detection, is based on adaptive detection algorithm for beginners could use some. Less than that see cool ah

图像的预处理，读入彩色图像将其灰度化matlab 代码-matlab code

delphi开发的显示字体平滑程序-display font smoothing procedures

本代码实现了SIFT算法，首先获得差分图像尺度空间，寻找局部极值点，找到关键点，然后，对关键点生成特征描述符。实验效果很好。

图像识别，通过矩阵计算分别读入图像的形状，可区分三角，椭圆，圆形，长方等规则几何-Image recognition, through the matrix, respectively, read into the shape of images, can be distinguished triangle, oval, round, rectangular, such as the rules of geometry

高分辨率位图显示MFC类源码，带一MFC范例 -MFC class for displaying picture with High resolution , with a MFC example

PDF417编程控件和例子，包括VB，VC等。很使用-PDF417 control and programming examples, including VB, VC, etc.. Is the use of