应用最小二乘法为判断标准进行平面点的椭圆拟合matlab程序，程序不是很复杂，适合matlab的初学者，或者直接应用在自己的处理数据当中，相信很做图像处理的人很实用-Application of the least squares method is a criterion elliptic plane point fitting matlab program, the program is not very complicated for beginners matlab, or direct

数字图像二值化，canny边缘检测并提取轮廓进行椭圆拟合找出质心点(Two values of digital image, Canny edge detection and extraction of contour by ellipse fitting to find the centroid point)