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用matlab实现的DCT水印处理，并附有图像显示。(Matlab implementation of the DCT with watermark treatment, together with image display.)

实现茶叶的RGB颜色分量提取，并通过分量所占比例与模板的匹配来鉴别茶叶品质(Realization of the tea RGB color components extraction, and through the component proportion of template matching to identify with the tea quality )

运用matlab编写，可用于一维信号压缩，经验证应用效果较好。(Using matlab prepared for one-dimensional signal compression, proven applications better.)

说明：  软测量氧含量原始数据及matlab工况聚类代码(Measuring the oxygen content of soft raw data and clustering matlab code condition)

Wave drag estimation for wings according to Korn method

一个二维静电场，电位函数为φ（x, y），将正方形分成25个正方形网格。有16个内部网格点。假定16个网格点的初值都定为零，试用超松弛法确定16个内部网格点的电位值。(A two dimensional electrostatic field, the potential function for phi (x, y), the square into 25 square grid. There are 16 internal grid point. Assume that 16 mesh point of initial value at zero, trial overrelaxation method to determine the potential value of 16 internal grid point.)

EM algorithm for k multidimensional Gaussian mixture estimation

这些程序是朱毅才老师过程辨识参数书的源程序，是问他本人要的，很珍贵，在此分享，希望对过程辨识的研究人员有很大的帮助(These procedures the teacher Zhu Yi before the process of identification of the source of the argument of the book, and asked his very precious to share this, researchers hope that the process of identification of a great help)

Scale-invariant feature transform (or SIFT) is an algorithm in computer vision to detect and describe local features in images. The algorithm was published by David Lowe in 1999.[1] Applications include object recognition, robotic mapping and navigation, image stitching, 3D modeling, gesture recognition, video tracking, individual identification of wildlife and match moving. The algorithm is patented in the US the owner is the University of British Columbia.

双扩展卡尔曼滤波器在simulink中的应用，有一定参考价值(Application of double extended Calman filter in Simulink)