利用MATLAB绘制图形，并用鼠标拖拉矩形框，选中图形局部放大后，绘制在原图形的右上角，使得局部细节更清晰-Using MATLAB to draw graphics, and drag a rectangle with the mouse, select the graphics local amplification, drawn in the upper right corner of the original graphics, making the local details more

实现了直线和矩形框的裁剪功能，是用编码裁剪原理实现的-Achieved a straight line and cut features a rectangular box is the use of coding theory to achieve cutting

本代码实现对运动物体的跟踪，在运行程序时，会有一红色矩形框标记运动物体位置-The code tracking of moving objects, run the program, there will be a red rectangle marks the location of moving objects

人脸区域检测，对图像中的人脸区域进行检测并用矩形框标记。-Face region detection, face image in the region to detect and mark with a rectangular box.