title: Opencv - polynomial function fitting
body: <p>In opencv (or other c++ lib), is there a similar function like matlab <code>fit</code> which can do 3d polynomial surface fitting (i.e. <code>f(x,y)= p00 + p10*x + p01*y + p20*x^2 + p11*x*y + p02*y^2</code>). Thanks</p>