中文说明：
求解物体存在的包裹相位的几种解包裹算法，有基于DCT理论的最小二乘算法，整体变份法，以及Goldstein枝切法等。
English Description：
Several solving existing objects wrapped phase unwrapping algorithm, least squares algorithm based on DCT theory, the overall change copies law, as well as Goldstein branch-cut method.