Comments on Influence of the Statistical Properties of Phase and Intensity on Closure Phase

A recent publication claims that closure phases in SAR interferometry bear no relationship to physical changes of the scatterer, but only to the statistical properties of the averaged pixels. We disprove this claim with a simple counterexample and remind the reader of cases in which closure phases indicate a clear physical content, including the exploitation of closure phases in other fields.

Automated summary

The closure phases in SAR interferometry can indeed indicate physical changes of the scatterer, rather than being solely related to the statistical properties of the averaged pixels. This is evidenced by counterexamples as well as the proven utility of closure phases in other fields.