相位解缠是InSAR数据处理中的关键处理环节之一，对于DEM质量影响较大，传统的枝切线法容易受相干性差区域的影响，而采用质量图导引则可有效解决之。-Updated the code to run faster by improving the logic and by implementing Itoh s in-line method to remove 2*pi jumps, rather than calling unwrap.

Allowed edge pixels to also be unwrapped.

Made the logic more parallel to the updated GoldsteinUnwrap2D_r1 code. Corrected one line in PhaseDerivativeVariance_r1.m.