使用QT和Coin3D开发的入门材料！帮助大家快速入门

矩阵的逆运算-matrix inverse operation.

一个SIFT特征检测的VC程序，SIFT特征检测在目标检测与识别中非常有用！-a physiology of the VC feature detection procedures, Detection characteristics of metabolism in target detection and identification is very useful!

功能和界面全部模仿于Windows自带的画图板，界面如截图。功能主要有： 手绘线、简单图形、文字输入、图块拖放、重复撤销、画面缩放、打开保存图片文件，另外为了直接从数据库或者XML中存取图片，另外还提供了从Base64编码存取图片的接口，其他还实现了和画图板同样效果的工具箱及颜料盒。 -Features and interfaces in Windows, bringing all to imitate the drawing board, interface, such as screenshots. The main features include: hand-drawn lines, simple graphics, text input, drag and drop block, repeated withdrawal, screen zoom, open the saved image file, and directly from the database in order to access images or XML, in addition to the provision of deposit from the Base64 encoding picture of the interface from the other have also achieved the same effect and drawing board of the toolbox and the color cartridge.

把DIB转换成DDB-put into DDB

zbuffer算法常用于3维图形的消隐，以及布尔运算，vc编的。-zbuffer algorithm commonly used in the blanking of the 3-dimensional graphics, as well as Boolean, vc series.

用VC++6.0实现的一个可绘制旋转文本的简单程序源码-VC 6.0 can be of a rotating text rendering the simple procedure FOSS

老外写的样条书上的程序2-foreigner writing of the book the kind of programs on the 2

实现了对多个可放缩图元的同时选择，code project上下载的。-achieve the release of a large number of tiny yuan choice, code download the project.

空域可视水印算法（matlab实现）， 考虑了HVS特性，可见水印嵌入同时考虑了原图像和水印图像视觉特性。-airspace visual watermarking algorithm (Matlab achieved), in consideration of HVS features embedded watermark can be seen taking into account the original image and a watermark image visual characteristics.

Ｃ的库文件查询程序-C of the library inquiry procedures