Abstract

Abstract Ameliorative minimum cost flow algorithm is put forward in this paper Based on MCF,. As we all know, MCF is one phase unwrapping algorithm based on network flow and it is used widely because of many merits. However, efficiency of MCF is relative low and it demands upper computer capability during phase unwrapping. The ameliorative minimum cost flow algorithm is that interferograms are divided into skit sub-areas so that it can be unwrapped respectively, after this, interferograms are fused by supper wavelet based on contourlet transform. In the end, Minimum Cost Flow and its Ameliorative algorithm are validated by practical example, results indicate Ameliorative algorithm are effective phase unwrapping algorithms.

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