中文说明：根据Hough变换进行直线提取，确定图像中的矩形图案，并且得到矩形的中心。其中利用了图像处理方法和矩形的几何性质，方法经过验证有效。可以在各种图案形状中（包括三角形，圆形，心形等）识别出矩形，具有一定的试用意义。文件包中有完整MATLAB程序，并附有示例和检测用图。
English Description：
Based on the Hough transform for line segment detection, in the image of a rectangular pattern, and center of the rectangle. Using image processing method and geometric properties of the rectangle, and methods proven effective. Can be used in a variety of patterns (including triangular, round, heart-shaped, and so on) recognize rectangles, with trial significance. Full MATLAB program package, along with examples and test charts.