Phan Viet Hoa VU is defending her thesis on Thursday, December 14, 2023 : « Phase Linking algorithms for Multi-Temporal Radar Interferometry »

Publié le mer 6 Déc 2023

Phan Viet Hoa VU is defending her thesis on Thursday, December 14, 2023 at 9h00 at Cnam – 292 rue Saint Martin, 75003 Paris, in auditorium Jean Baptiste Say.

Images de Chapeau Diplome – Téléchargement gratuit sur Freepik

Title : Phase Linking algorithms for Multi-Temporal Radar Interferometry

Keywords: covariance matrix, robust estimation, Multi-temporal InSAR, Phase Linking, time series, displacement measurement

This thesis delves into the realm of Multi-Temporal Interferometric Synthetic Aperture Radar (MT-InSAR) techniques, particularly Phase Linking algorithm, for precise displacement measurements while mitigating signal decorrelation. Following the unprecedented volume of free-access SAR data, the demand for an algorithm with low computational load has raised, enabling the analysis of a longer time series over larger coverage. Moreover, recent missions offer high resolution data source and necessitate algorithms that can ensure the estimation accuracy while retaining the spatial resolution. Hence, in response to these challenges, our objectives are twofolds: i) to formulate and develop a mathematical framework where Phase Linking is reformulated into a covariance fitting optimization problem; ii) to introduce a robust estimation framework based on Phase Linking. The performances of the proposed algorithms are analysed through simulations and a real data case study encompassing the Mexico City.

Composition of the thesis jury :

Jury member Place of practice Role in the jury
Antoine ROUEFF Institut Matériaux Microélectronique Nanosciences de Provence/Université de Toulon Reporter
Loïc DENIS Laboratoire Hubert Curien/ Université de Saint-Etienne Reporter
Arnaud BRELOY Cnam Examiner
Philippe FORSTER LEME, Université Paris Nanterre Examiner
Guillaume GINOLHAC Université Savoie Mont Blanc / LISTIC Thesis supervisor
Yajing YAN Université Savoie Mont Blanc / LISTIC Thesis co-supervisor
Frédéric BRIGUI ONERA-The French Aerospace Lab Thesis co-supervisor