拉普拉斯金字塔

说明：  基于混合高斯模型的背景减除算法实现。matlab代码。(Gaussian mixture model-based background subtraction algorithm. matlab code.)

图形学中的透视投影算法 在屏幕中心绘制立方体的透视投影 可以绘制一点透视图 二点透视图 三点透视图(Graphics in the perspective projection algorithm for drawing a cube in the center of the screen you can draw a little perspective projection perspective two point perspective three-point perspective)

matlab实现的三维直方图统计。用来统计数据的三维直方图。可适用于任何三维数据的统计。(matlab code to deal with 3d hist.)

说明：  Developed with DELPHI business card management system

基于矢量匹配法的快速实现程序，工程中较常用(Vector-based matching method for the rapid realization process, more commonly used engineering)

说明：  内容：基于MATLAB的小波变换程序 具体功能：实现四级信号的小波分解和重构(Content: wavelet transform based on Matlab: four level signial wavelet decomposition and reconstruction are implemented.)

说明：  本代码实现了K均值聚类，代码简单易懂，容易初学者学习(This code realizes K-means clustering, the code is easy to understand, easy for beginners to learn)

说明：  用2种方法，对text.png图像中的字母‘a’进行定位，给出定位结果以及位置坐标。(Two methods were used to locate the letter 'a' in the image of text. PNG, and the location result and position coordinates were given.)

说明：  一个EM算法实现图像分割，可以实现彩色图像分割。(An EM algorithm is used for image segmentation.)

简单实现画矩形和缺角的矩形，并且实现矩形的缩放和移动(Simple to draw a rectangle and the missing corner of the rectangle, and the rectangle zoom and move)