Joint Regularization of Phase and Amplitude of InSAR Data: Application to 3-D reconstruction

Loïc Denis 1, 2 Florence Tupin 1 Jérôme Darbon 3 Marc Sigelle 1
1 LTCI - Laboratoire Traitement et Communication de l'Information
2 LHC - Laboratoire Hubert Curien [Saint Etienne]
3 Department of Mathematics [UCLA]
Abstract : Interferometric SAR images suffer from a strong noise and their regularization is often a prerequisite for successful use of their information. Independently of the unwrapping problem, interferometric phase denoising is a difficult task due to shadows and discontinuities. In this paper, we propose to jointly filter phase and amplitude data in a Markovian framework. The regularization term is expressed by the minimization of the total variation and may combine different information (phase, amplitude, optical data). First, a fast and approximate optimization algorithm for vectorial data is briefly presented. Then two applications are described. The first one is a direct application of this algorithm for 3D reconstruction in urban areas with Very High Resolution (VHR) images. The second one is an adaptation of this framework to the fusion of SAR and optical data. Results on aerial SAR images are presented.
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Journal articles
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Submitted on : Thursday, July 16, 2009 - 3:42:33 PM
Last modification on : Wednesday, August 7, 2019 - 12:14:40 PM

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UNIV-ST-ETIENNE | INSTITUT-TELECOM | LAHC | PARISTECH | IOGS | LTCI

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Loïc Denis, Florence Tupin, Jérôme Darbon, Marc Sigelle. Joint Regularization of Phase and Amplitude of InSAR Data: Application to 3-D reconstruction. IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2009, 47 (11), pp.3774-3785. ⟨10.1109/TGRS.2009.2023668⟩. ⟨ujm-00404557⟩

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