matlab编写的共轭梯度法，用来解决非线性优化问题-matlab prepared by the conjugate gradient method is used to solve nonlinear optimization problems

这是一个图像刚性配准的程序，有matlab的界面，能够应用pv内插算法，NMI测度和共轭梯度优化算法实现-this is a image registration code of matlab。 it include pv interpretation，NMI metric and conjugate gradient optimization。