Matlab实现的图像中的圆、矩形、正方形等形状识别-Matlab realize the image circle, rectangle, square shape recognition

一个识别圆，矩形，三角形等形状的MATLAB程序，有不足之处可以相互联系，取长补短。-An identification of circle, rectangle, triangle shape such as MATLAB, have shortcomings can connect with each other, complement each other.