using the midpoint of a generation of Circle Act procedures

采用递归的方法对正六边形进行填充，得到了一个很好看的图形。很有规则。-using recursive method is right for filled hexagons, was a very good graphics. Very rules.

基于弹性模板匹配的人脸表情识别程序。首先针对静态表情图像进行表情图像的灰度、尺寸归一化，然后利用Gabor小波变换提取人脸表情特征以构造表情弹性图，最后提出基于弹性模板匹配及K-近邻的分类算法实现人脸表情的识别

图像增强 灰度变换增强 空域滤波增强 频域增强 色彩增强 小波增强 -Enhanced gray-scale image enhancement transform spatial filter to enhance the frequency domain to enhance color enhanced wavelet enhanced

自适应水印图象嵌入算法,有一定的参考价值,根据不同子块,嵌入强度不一样,水印不可见性较好-Adaptive image watermarking algorithm has a certain reference value, according to different sub-block, embedded in intensity are not the same, the watermark visibility is not good

最基础、最简单的GUI，可在资源极少的8位51单片机到运行，同样也可以在32位ARM上运行。运行速度非常快。做简单界面的最佳选择。还可以各种尺寸显示屏和各种颜色的显示屏。

二维码编码平台，是为所有二维码用户提供二维码编码和译码平台，提供技术支持与开发援助。二维码种类包括：PDF417,Qr_Code,DataMatrix和MaxCode,Aztec等-platform for all 2D code users with two-dimensional coding and decoding platform provide technical support and development assistance. 2D code types include : PDF417, Qr_Code. DataMatrix and MaxCode, Aztec, etc.

实现最陡下降法,研究步长因子和特征扩散度对收敛速度的影响-Achieve the steepest descent method to study the characteristics of step length factor and the proliferation of degree of influence on the convergence rate

人脸识别论文：《采用Adaboost算法进行面部表情识别》《动态权值预划分实值Adaboost人脸检测算法》《改进的AdaBoost分类器在视频中的体育场景检测》-Face recognition thesis: the use of Adaboost algorithm to identify facial expressions, dynamic weight pre-classified real Adaboost face detection algorithm, Improved AdaBoost classifier of sports in the video scene detection

用MATLAB实现如何用判别分析法确定最佳阈值-MATLAB how discriminant analysis method to determine the optimal threshold value

This paper studies the problem is how to determine the amount of stored coal, the difference with the common method, according to the table of calorific value and density of a list of data, without considering the influence of other factors on the density of the premise, the establishment reflects the density (y) and calorific value (x) model of the relationship, which can be obtained by the coal heat density of coal and draws a conclusion that the amount of stored coal.