可以绘制直线、圆、矩形等，可以选择颜色、线粗。

针对指纹图像抽样的源代码，加在系统中可以起到提高速度的作用-fingerprint images against the sample source code, added to the system can play a role in improving the speed of

阐述光线跟踪算法的数据结构 -Ray-tracing algorithm on the data structure

C++ function explodeChannels save 3 channel OpenCV image into 3 separated images in gray-scale where everyone represents one channel in scale-space. Application using this function may be used to analyse color image in different scale-spaces by viewing separated channels

涉及到图像处理中各个阶段的操作，其中不泛一些经典的算法，相信一定对你会有帮助。-relates to image processing various stages of the operation, some of which do not pan-classical algorithm believe will be helpful to you.

二次样条函数半节点构造方法，算法实现的不错-quadratic spline function semi-node structure, a good algorithm

Hough变换 Hough变换 -Hough transform Hough transform Hough transform Hough transform

3D演示程序，实现基本图形算法，通过鼠标键盘事件编程，控制立方体。-3D demo program, the realization of basic graphics algorithms, programming keyboard events through the mouse to control the cube.

人脸识别领域的K-L变换（Eigenface）的matlab源码-KL transform the field of face recognition (Eigenface) of matlab source

这次上传的代码是关于几种常用特征提取方法的对比代码。-this code is uploaded on several common feature extraction methods contrast code.

denary三角剖分算法源码，用于离散点成面，自动构建面的高级算法，该算法非常难得，希望你们有所启发。-denary triangulation algorithm source code for the discrete points into face, the face automatically build senior algorithm, which is very rare that you have inspired.