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Sparse phase unwrapping for InSAR interferograms

Project description



pip install spurs

conda install spurs

How to use

Installation will create a command line script spurs:


By default, will output to file 20150608_20170808.unw matching the name.

To increase the tolerance (from pi/10 radians) for faster convergence, showing iteration stats:

spurs -o 20150608_20170808.unw --tol .5 --debug

See spurs --help for all options.

Note that for input interferograms which aren't complex, float32 binary format, gdal must be installed. E.g. for a VRT input:

spurs 20150608_20170808.vrt -o 20150608_20170808.unw

spurs is an open source implementation of [1]:


  1. Chartrand, Rick, Matthew T. Calef, and Michael S. Warren. "Exploiting Sparsity for Phase Unwrapping." IGARSS 2019-2019 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2019.

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