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Laetitia Thirion-Lefevre

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Detection of Forest Fires through Deep Unsupervised Learning Modeling of Sentinel-1 Time Series

Thomas Di Martino , Bertrand Le Saux , Régis Guinvarc’h , Laetitia Thirion-Lefevre , Elise Colin
ISPRS International Journal of Geo-Information, 2023, 12 (8), pp.332. ⟨10.3390/ijgi12080332⟩
Article dans une revue hal-04215824v1

Measurements and Analysis of the Doppler Signature of a Human Moving within the Forest in UHF-Band

Giovanni Manfredi , Israël Hinostroza , Michel Menelle , Stéphane Saillant , Jean-Philippe Ovarlez
Remote Sensing, 2021, 13 (3), pp.423. ⟨10.3390/rs13030423⟩
Article dans une revue hal-03130174v1
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The Combined Effect of Orientation Angle and Material on PolSAR Images of Urban Areas

Laetitia Thirion-Lefèvre , Régis Guinvarc'H , Elise Colin-Koeniguer
Remote Sensing, 2020, 12 (10), pp.1632. ⟨10.3390/rs12101632⟩
Article dans une revue hal-02903123v1
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Detecting Ephemeral Objects in SAR Time-Series Using Frozen Background-Based Change Detection

Thibault Taillade , Laetitia Thirion-Lefevre , Régis Guinvarc'H
Remote Sensing, 2020, 12 (11), pp.1720. ⟨10.3390/rs12111720⟩
Article dans une revue hal-03153901v1

Analytical Solution for Permittivities of a Dihedral Configuration

Orian Couderc , Laetitia Thirion-Lefèvre , Regis Guinvarcrh
IEEE Antennas and Wireless Propagation Letters, 2018, 17 (3), pp.485-488. ⟨10.1109/LAWP.2018.2796842⟩
Article dans une revue hal-02124542v1

The double Brewster angle effect

Laetitia Thirion-Lefèvre , Régis Guinvarc'H
Comptes Rendus. Physique, 2018, 19 (1-2), pp.43-53. ⟨10.1016/j.crhy.2018.02.003⟩
Article dans une revue hal-02124548v1

Polarimetric Phase and Implications for Urban Classification

Donald Atwood , Laetitia Thirion-Lefevre
IEEE Transactions on Geoscience and Remote Sensing, 2018, 56 (3), pp.1278 - 1289. ⟨10.1109/TGRS.2017.2750211⟩
Article dans une revue hal-01692803v1

Cross-Polarization Amplitudes of Obliquely Orientated Buildings With Application to Urban Areas

R. Guinvarc'H , L. Thirion-Lefevre
IEEE Geoscience and Remote Sensing Letters, 2017, 14 (11), pp.1913 - 1917. ⟨10.1109/LGRS.2017.2731122⟩
Article dans une revue hal-01692798v1

Optical Scale Polarimetric Device for Nanotube Forest Measurement: An Opportunity to Anticipate Bistatic Polarimetric SAR Images of Tree Trunk Forests at P-Band

Etienne Everaere , Elise Colin Koeniguer , Laetitia Thirion-Lefevre , Jacqueline Tran , Costel Sorin Cojocaru
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2016, 9 (16), pp. 3249 - 3258. ⟨10.1109/JSTARS.2016.2532802⟩
Article dans une revue hal-01460076v1
Image document

A new technique to characterize foliage attenuation using passive radar in the L-band

Marc Lesturgie , Laetitia Thirion-Lefevre , Stéphane Saillant , Philippe Dorey
Comptes Rendus. Physique, 2016, Probing matter with electromagnetic waves/Sonder la matière par les ondes électromagnétiques URSI-France 2015 scientific days – Paris, CNAM, 24 & 25 March 2015, 17, pp.1003-1017. ⟨10.1016/j.crhy.2016.07.016⟩
Article dans une revue hal-01384294v1

A New Light on SAR Backscattering Coefficient and Interferometric Coherence in Layover Areas

A. Mokadem , E. Colin-Koeniguer , L. Thirion-Lefevre
IEEE Geoscience and Remote Sensing Letters, 2015, 12 (12), pp.2428 - 2432. ⟨10.1109/LGRS.2015.2481708⟩
Article dans une revue hal-01265651v1

Investigating the Use of Low Frequencies in Urban Areas: Application to NLOS Configurations

Laetitia Thirion-Lefevre , Regis Guinvarch
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2015, 8 (7), pp 3720-3729. ⟨10.1109/JSTARS.2015.2441293⟩
Article dans une revue hal-01265646v1

New SAR Algorithm Based on Orthogonal Projections for MMT Detection and Interference Reduction

Frédéric Brigui , Laetitia Thirion-Lefevre , Guillaume Ginolhac , Philippe Forster
IEEE Transactions on Geoscience and Remote Sensing, 2014, PP (99), pp.1-12. ⟨10.1109/TGRS.2013.2276417⟩
Article dans une revue hal-00934257v1
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New SAR Target Imaging Algorithm based on Oblique Projection for Clutter Reduction

Frédéric Brigui , Guillaume Ginolhac , Laetitia Thirion , Philippe Forster
IEEE Transactions on Aerospace and Electronic Systems, 2014, 50 (2), pp.1118 - 1137. ⟨10.1109/TAES.2014.110287⟩
Article dans une revue hal-01059721v1

Back Projection Version of Subspace Detector SAR Processors

Rémi Durand , Guillaume Ginolhac , Laetitia Thirion-Lefevre , Philippe Forster
IEEE Transactions on Aerospace and Electronic Systems, 2011, 47 (2), pp.1489-1497. ⟨10.1109/TAES.2011.5751274⟩
Article dans une revue hal-00659486v1

Bistatic scattering from forest components. Part I: coherent polarimetric modelling and analysis of simulated results

Laetitia Thirion-Lefèvre , Elise Colin-Koeniguer , Cyril Dahon
Waves in Random and Complex Media, 2010, 20 (1), pp.36-61. ⟨10.1080/17455030903499680⟩
Article dans une revue hal-00556648v1

Bistatic scattering from forest components. Part II: First validation of a bistatic polarimetric forest model at VHF UHF band [225-475 MHz] using indoor measurements

Elise Colin-Koeniguer , Laetitia Thirion-Lefèvre
Waves in Random and Complex Media, 2010, 20 (1), pp. 62-85. ⟨10.1080/17455030903334853⟩
Article dans une revue hal-00556645v1

New Polarimetric Signal Subspace Detector for SAR processors

Frédéric Brigui , Laetitia Thirion-Lefèvre , Guillaume Ginolhac , Philippe Forster
Comptes Rendus. Physique, 2010, 11 (1), pp.104-113. ⟨10.1016/j.crhy.2010.01.004⟩
Article dans une revue hal-00556651v1

Modelling of the electromagnetic scattering by sea surfaces at grazing incidence. Application to HF surface wave radars

Yaël Demarty , Laetitia Thirion-Lefèvre , Vincent Gobin
Comptes Rendus. Physique, 2010, 11 (1), pp.87-95. ⟨10.1016/j.crhy.2010.01.003⟩
Article dans une revue hal-00556228v1

New SAR processor based on a matched subspace detector

Rémi Durand , Guillaume Ginolhac , Laetitia Thirion , Philippe Forster
IEEE Transactions on Aerospace and Electronic Systems, 2009, 45 (1), pp. 221-236. ⟨10.1109/TAES.2009.4805275⟩
Article dans une revue hal-00443021v1

Investigating about attenuation,scattering phase center and total height using simulated interferometric SAR images of forested areas

Laetitia Thirion-Lefevre , Elise Colin-Koeniguer
IEEE Transactions on Geoscience and Remote Sensing, 2007, 45 (10), pp.3172-3179. ⟨10.1109/TGRS.2007.904921⟩
Article dans une revue hal-00272112v1

New SAR Processor based on Matched Subspace Detector

R. Durand , Guillaume Ginolhac , L. Thirion , Philippe Forster
IEEE Transactions on Aerospace and Electronic Systems, 2007
Article dans une revue halshs-00158257v1

Capabilities of a forest scattering model applied to radiometry, interferometry, and polarimetric at P- and L- band

Laetitia Thirion , Elise Colin , Cyril Dahon
IEEE Transactions on Geoscience and Remote Sensing, 2006, 44 (4), pp.849-862. ⟨10.1109/TGRS.2005.862523⟩
Article dans une revue hal-00278350v1
Image document

Temporal Stack Speckle and Target Filtering for Environmental Applications

Florent Michenot , Régis Guinvarc'H , Laetitia Thirion-Lefevre
IGARSS 2022, Jul 2022, Kuala Lumpur, Malaysia. ⟨10.1109/IGARSS46834.2022.9884100⟩
Communication dans un congrès hal-03771853v1

Monostatic Radar Cross Section Simulation of Small Unmanned Aerial Vehicles in UHF band

Dihia Sidi Ahmed , Laetitia Thirion-Lefèvre , Regis Guinvarch , Israël Hinostroza , Giovanni Manfredi
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Jul 2020, Montréal, Canada
Communication dans un congrès hal-03130200v1
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Characterization of the walking activity within the forest by using a Doppler analysis in the UHF-BAND

Giovanni Manfredi , Israël Hinostroza , Michel Menelle , Stephane Saillant , Jean-Philippe Ovarlez
2020 IEEE International Geoscience and Remote Sensing Symposium (IGARSS2020), Sep 2020, Waikoloa, United States. ⟨10.1109/IGARSS39084.2020.9324453⟩
Communication dans un congrès hal-03130196v1

Benefit of Xpol for Urban Classification Using SAR Images

R. Guinvarc'H , L. Thirion-Lefevre , D. Atwood
IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, Jul 2019, Yokohama, Japan. pp.983-985, ⟨10.1109/IGARSS.2019.8898777⟩
Communication dans un congrès hal-02492671v1

Comparative Analysis of the Relative Polarimetric Radar Signature of Vegetation and Cities Districts

L. Thirion-Lefevre , R. Guinvarc'H , Elise Colin-Koeniguer
International Geoscience and Remote Sensing Symposium, Jul 2019, YOKOHAMA, Japan. pp.5221-5223, ⟨10.1109/IGARSS.2019.8899829⟩
Communication dans un congrès hal-02492698v1

The essential contribution of HV to radar remote sensing

Laetitia Thirion-Lefevre , Régis Guinvarc'H , Elise Colin Koeniguer
ASC/CSA Advanced SAR workshop, 2019, Saint-Hubert, Canada
Communication dans un congrès hal-02492699v1

Using a Single SAR Image at P Band for Deforestation Detection in Tropical Forest

Régis Guinvarc'H , Laetitia Thirion-Lefevre
ESA LPS, 2019, Milan, Italy
Communication dans un congrès hal-02492680v1

A new framework for polarimetric change detection in time series SAR images: the empty scene

Thibault Taillade , Régis Guinvarc'H , Laetitia Thirion-Lefevre
ASC/CSA Advanced SAR workshop, 2019, Saint-Hubert, Canada
Communication dans un congrès hal-02492675v1

L-band Polarimetric Change Detection on Sar Images : Fire Burn Scars in California

Thibault Taillade , Laetitia Thirion-Lefevre , Régis Guinvarc'H
IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, Jul 2019, Yokohama, Japan. pp.9956-9959, ⟨10.1109/IGARSS.2019.8900081⟩
Communication dans un congrès hal-02492666v1

The Double Brewster Angle Effect and the Radar Polarimetric Responses of Forests

Laetitia Thirion-Lefevre , Régis Guinvarc'H
ESA LPS, 2019, Milan, Italy
Communication dans un congrès hal-02492678v1
Image document

Features Extraction of the Doppler frequency signature of a human walking at 1 GHz

Giovanni Manfredi , Jean-Philippe Ovarlez , Laetitia Thirion-Lefevre
IGARSS 2019, Jul 2019, YOKOHAMA, Japan. ⟨10.1109/IGARSS.2019.8897817⟩
Communication dans un congrès hal-02364998v1

Moisture Retrieval Using Monostatic Radar Double Bounce

Orian Couderc , Laetitia Thirion-Lefèvre , Regis Guinvarch
IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, Jul 2018, Valencia, Spain. pp.9098-9101, ⟨10.1109/igarss.2018.8518702⟩
Communication dans un congrès hal-02124501v1

Impact of Rotation on the Polarimetric Signature of the Double Bounces and Alternatives

Laetitia Thirion-Lefevre , Régis Guinvarc'H , D. Atwood
PIERS 2017, Nov 2017, Singapour, Singapore
Communication dans un congrès hal-01692813v1

Inversion of the Permittivities for a Double Bounce Mechanism

Francois Doyelle , Orian Couderc , Laetitia Thirion-Lefevre , Régis Guinvarc'H
PIERS 2017, Nov 2017, SINGAPOUR, Singapore
Communication dans un congrès hal-01692825v1

Frequency Variation of the polarimetric Scattering Mechanisms of Forests and its Consequences on Interferometric Height

Laetitia Thirion-Lefevre , Régis Guinvarc'H
Earth Observation Summit 2017, Jun 2017, Montreal, Canada
Communication dans un congrès hal-01692830v1

Is it possible to retrieve the complex permittivities using double bounce?

Orian Couderc , Laetitia Thirion-Lefevre , Régis Guinvarc'H
2016 IEEE International Symposium on Antennas and Propagation (APSURSI 2016), Jun 2016, Puerto Rico, United States. ⟨10.1109/APS.2016.7696703⟩
Communication dans un congrès hal-01460031v1

Low frequency radar signatures of shadow areas in cities

Laetitia Thirion-Lefevre , Régis Guinvarc'H
2015 Joint Urban Remote Sensing Event (JURSE 2015) , Mar 2015, Lausanne, Switzerland. pp 1-4, ⟨10.1109/JURSE.2015.7120522⟩
Communication dans un congrès hal-01265747v1

Propagation in urban areas. Orientation, permittivity and entropy

Régis Guinvarc'H , Laetitia Thirion-Lefevre
2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2015), Jul 2015, Milan, Italy. pp.1594-1597 ⟨10.1109/IGARSS.2015.7326088⟩
Communication dans un congrès hal-01265767v1

The polarimetric signatures of double bounces in cities and forests. The double Brewster effect.

Laetitia Thirion-Lefevre , Régis Guinvarc'H , Panagiotis Piteros , Marc Lambert
The Advanced SAR workshop, Oct 2015, Quebec, Canada
Communication dans un congrès hal-01265743v1

The brewster effect on polarimetric information

Laetitia Thirion-Lefèvre , Régis Guinvarc'H
2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Jul 2015, Milan, Italy. pp.227-230, ⟨10.1109/IGARSS.2015.7325741⟩
Communication dans un congrès hal-02414023v1

The signature of rotated double bounces in urban areas," in Synthetic Aperture Radar

Régis Guinvarc'H , Laetitia Thirion-Lefevre
2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR 2015) , Sep 2015, Singapour, Singapore. pp 462-465, ⟨10.1109/APSAR.2015.7306249⟩
Communication dans un congrès hal-01265675v1

Propagation mechanisms in urban canyons. Distorsions and entropy

Laetitia Thirion-Lefevre , Régis Guinvarc'H , Elise Colin Koeniguer , Azza Mokadem
10th European Conference on Synthetic Aperture Radar (EUSAR 2014), VDE, Jun 2014, Berlin, Germany. pp.1-4
Communication dans un congrès hal-01103890v1
Image document

Cognitive radar applied to forest and kriging-based metamodel

Panagiotis Piteros , Laetitia Thirion-Lefevre , Régis Guinvarc'H , Marc Lambert
2014 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2014), Jul 2014, Quebec, Canada. 4 p
Communication dans un congrès hal-01103273v1

Understanding and validation of the polarimetric scattering of a forest for bistatic P-band SAR measurements

Etienne Everaere , Elise Colin Koeniguer , Laetitia Thirion-Lefevre , Antonello de Martino
2014 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2014), Jul 2014, Quebec, Canada. pp.4556-4559, ⟨10.1109/IGARSS.2014.6947506⟩
Communication dans un congrès hal-01104068v1

Evaluation of the attenuation in L-band due to the foliage in function of the elevation angle

Stéphane Saillant , Philippe Dorey , Marc Lesturgie , Laetitia Thirion-Lefevre
2014 International Radar Conference , Oct 2014, Lille, France. pp 1-4, ⟨10.1109/RADAR.2014.7060309⟩
Communication dans un congrès hal-01278360v1
Image document

Cognitive kriging metamodels for forest characterization and target detection

Panagiotis Piteros , Laetitia Thirion-Lefevre , Régis Guinvarc'H , Marc Lambert
2014 International Radar Conference , Oct 2014, Lille, France. 5 p., ⟨10.1109/RADAR.2014.7060325⟩
Communication dans un congrès hal-01103268v1

Cognitive radar for forest characterization

Panagiotis Piteros , Laetitia Thirion-Lefèvre , Régis Guinvarc'H , Marc Lambert
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Communication dans un congrès hal-00935427v1

On the interpretation of anechoic chamber data using FEKO

Azza Mokadem , Laetitia Thirion-Lefèvre , Régis Guinvarc'H , Elise Colin-Koeniguer
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Communication dans un congrès hal-00935421v1

Analysis of a NLOS canyon in an InSAR image of a urban area at Ka-band

Azza Mokadem , Laetitia Thirion-Lefèvre , Elise Colin-Koeniguer
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Communication dans un congrès hal-00935398v1

COSMO: a tool to simulate the fields backscattered by forests in polarimetric and in interferometric configurations

Laetitia Thirion-Lefèvre , Min Min Chan , Heong Wann Seah
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Communication dans un congrès hal-00935420v1

Analysis of a NLOS canyon in an InSAR image of a urban area at Ka-band

Azza Mokadem , Laetitia Thirion-Lefevre , Elise Colin-Koeniguer
2013 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2013), Jul 2013, Melbourne, Australia. ⟨10.1109/IGARSS.2013.6723776⟩
Communication dans un congrès hal-00935120v1

Polarimetric scattering model for the forest in bistatic configuration

Etienne Everaere , Elise Colin-Koeniguer , Laetitia Thirion-Lefevre
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Communication dans un congrès hal-00935394v1

Analysing urban areas in the frame of non line of sight target detection. Electromagnetic modelling, validation and application to real data in Ka-band

Azza Mokadem , Laetitia Thirion-Lefevre , Elise Colin Koeniguer , Régis Guinvarc'H
2013 International Conference on Electromagnetics in Advanced Applications (ICEAA 2013), Sep 2013, Turin, Italy. pp.543 - 546, ⟨10.1109/ICEAA.2013.6632297⟩
Communication dans un congrès hal-00934302v1

The polarimetric information in urban areas. The specific case of urban canyons

Azza Mokadem , Laetitia Thirion-Lefèvre , Régis Guinvarc'H , Elise Colin-Koeniguer
ASAR 2013, Oct 2013, Longueil, Canada
Communication dans un congrès hal-00935450v1

Determination o fmechanisms that can occur in NLOS urban canyon

Azza Mokadem , Laetitia Thirion-Lefèvre , Elise Colin-Koeniguer , Florence Tupin
9th European Conference on Synthetic Aperture Radar (EUSAR 2012), Apr 2012, Nuremberg, Germany. pp.99-102
Communication dans un congrès hal-00782377v1

Determination of mechanisms that can occur in NLOS urban canyon

Azza Mokadem , Laetitia Thirion-Lefèvre , Elise Colin-Koeniguer , Florence Tupin
2012 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2012), Jul 2012, Münich, Germany. pp.6633-6636, ⟨10.1109/IGARSS.2012.6352078⟩
Communication dans un congrès hal-00782404v1

Influence of bistatic angle and forest structure description on classical polarimetric parameters

Etienne Everaere , Elise Colin-Koeniguer , Laetitia Thirion-Lefèvre , Antonello de Martino
2012 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2012), Jul 2012, Munich, Germany. pp.6531-6534, ⟨10.1109/IGARSS.2012.6352754⟩
Communication dans un congrès hal-00782400v1

Combination of an adaptive metamodel and a coherent polarimetric backscattering simulator for the characterization of forested areas at low frequencies

Andras Vasko , Laetitia Thirion , Sandor Bilicz , Isabelle Champion , Marc Lambert
Assemblée générale biannuelle du GDR Ondes - Interférences d'Ondes, Oct 2011, Nice, France
Communication dans un congrès hal-00658029v1

Contribution of the polarimetric information in order to discriminate target from interference subspaces. Application to FoPen detection with SAR processing

Frédéric Brigui , Laetitia Thirion-Lefevre , Guillaume Ginolhac , Philippe Forster
2011 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2011), Jul 2011, Vancouver, Canada. ⟨10.1109/IGARSS.2011.6048917⟩
Communication dans un congrès hal-00659491v1

Preliminary studies on the detection of a NLOS target in a 2D urban canyion using polinsar data

Elise Colin-Koeniguer , Nicolas Sar , Laetitia Thirion-Lefèvre , Azza Mokadem
5th International Workshop on Science and Applications of SAR Polarimetry and Polarimetric Interferometry (PolInsar 2011), Jan 2011, Frascati, Italy. 6 p
Communication dans un congrès hal-00659488v1

Metamodel-based adaptive use of a coherent polarimetric backscattering simulator for the characterization of forested areas at low frequencies

Andras Vasko , Laetitia Thirion , Sandor Bilicz , Isabelle Champion , Marc Lambert
PIERS 2011, Sep 2011, Suzhou, China. pp.818--821
Communication dans un congrès hal-00657519v1
Image document

Metamodel-based adaptive use of a coherent polarimetric backscattering simulator for the characterization of forested areas at low frequencies

Andras Vasko , Laetitia Thirion-Lefèvre , Sandór Bilicz , Isabelle Champion , Marc Lambert
PIERS 2011 - Progress In Electromagnetics Research Symposium, Electromagnetics Academy. Saisissez le nom du laboratoire, du service ou du département., Cambridge, MA, USA., Sep 2011, Suzhou, China. n.p
Communication dans un congrès hal-02749058v1

Analyse des performances d'algorithmes d'imagerie SAR basés sur des modèles à sous-espace

Frédéric Brigui , Guillaume Ginolhac , Laetitia Thirion-Lefèvre , Philippe Forster
GRETSI 2011, Sep 2011, Bordeaux, France
Communication dans un congrès hal-00659602v1

Performances of subspace SAR processors for target detection and interference rejection

Frédéric Brigui , Guillaume Ginolhac , Laetitia Thirion-Lefèvre , Philippe Forster
2nd SONDRA Workshop , May 2010, Cargèse, France
Communication dans un congrès hal-00556988v1
Image document

On the use of an optimal database for radar forest observation

Laetitia Thirion-Lefèvre , Sandór Bilicz , Marc Lambert , Szabolcs Gyimothy
8th European Conference on Synthetic Aperture Radar (EUSAR 2010), Jun 2010, Aachen, Germany. pp.873 - 876
Communication dans un congrès hal-00489988v1

Orthogonal polarimetric SAR processor based on signal and interference subspace models

Frédéric Brigui , Laetitia Thirion-Lefèvre , Guillaume Ginolhac , Philippe Forster
2010 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2010), Jul 2010, Honolulu, United States. 4 p. (CD ROM), ⟨10.1109/IGARSS.2010.5652436⟩
Communication dans un congrès hal-00556975v1

Oblique polarimetric SAR processor based on signal and interference subspace models

Frédéric Brigui , Laetitia Thirion-Lefèvre , Guillaume Ginolhac , Philippe Forster
2010 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2010), Jul 2010, Honolulu, United States. 4 p. CDROM, ⟨10.1109/IGARSS.2010.5649493⟩
Communication dans un congrès hal-00556987v1

New Polarimetric signal subspace detectors for SAR processors

Frédéric Brigui , Laetitia Thirion-Lefevre , Guillaume Ginolhac , Philippe Forster
2009 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2009), Apr 2009, Taipei, Taiwan. pp.2189-2192, ⟨10.1109/ICASSP.2009.4960052⟩
Communication dans un congrès hal-00443022v1

Processeurs SAR basés sur des détecteurs à sous-espaces

Frédéric Brigui , Laetitia Thirion-Lefevre , Guillaume Ginolhac , Philippe Forster
Journées scientifiques d'URSI-FRANCE. Propagation et Télédétection, Mar 2009, Paris, France
Communication dans un congrès hal-00443027v1

Modélisation de la diffusion électromagnétique par des surfaces de mer en incidence rasante. Application aux radars HF à ondes de surface.

Yaël Demarty , Laetitia Thirion-Lefevre
Journées scientifiques d'URSI-FRANCE. Propagation et Télédétection, Mar 2009, Paris, France
Communication dans un congrès hal-00443026v1

New Polarimetric signal and interference subspace detectors for SAR processors

Frédéric Brigui , Guillaume Ginolhac , Laetitia Thirion-Lefevre , Philippe Forster
2009 International Radar Conference "Surveillance for a Safer World" (RADAR 2009) , Apr 2009, Bordeaux, France. 4 p
Communication dans un congrès hal-00443025v1

Apport de la modélisation EM à l'observation radar des forêts

Laetitia Thirion-Lefevre
Assemblée Générale du GDR Ondes, Nov 2009, Paris, France. 2 p
Communication dans un congrès hal-00447646v1

Processeurs SAR basés sur des détecteurs à sous-espaces

Frédéric Brigui , Laetitia Thirion-Lefevre , Guillaume Ginolhac , Philippe Forster
Assemblée Générale du GDR Ondes, Nov 2009, Paris, France. 2 p
Communication dans un congrès hal-00449735v1

Simulated HF Doppler Spectra obtained with an exact modeling of the EM backscattering by 3D time evolving sea surfaces

Yaël Demarty , Laetitia Thirion-Lefèvre , Marc Lesturgie
2008 International Conference on Radar , Sep 2008, Adelaide, Australia. ⟨10.1109/RADAR.2008.4653932⟩
Communication dans un congrès hal-00354568v1

Bistatic scattering by forested areas at low frequencies: simulation and indoor measurements

Laetitia Thirion-Lefèvre , Elise Colin-Koeniguer
XXIX General Assembly of the International Union of Radio Science (URSI 2008), Aug 2008, Chicago, United States
Communication dans un congrès hal-00354633v1

First polarimetric validation and results on the bistatic scattering by a set of cylinders using a forest scattering model

Laetitia Thirion-Lefèvre , Elise Colin-Koeniguer
7th European Conference on Synthetic Aperture Radar, Jun 2008, Friedrichshafen, Germany
Communication dans un congrès hal-00354649v1

Exploitation of Angular Diversity for Bistatic Image Formation using Opportunistic Transmitters

Chin Yuan Chong , Laetitia Thirion-Lefèvre
7th European Conference on Synthetic Aperture Radar, Jun 2008, Friedrichshafen, Germany
Communication dans un congrès hal-00354642v1

Exact modelling of the scattering of realistic sea surfaces for HFSWR applications

Yaël Demarty , Vincent Gobin , Laetitia Thirion-Lefevre , Régis Guinvarc'H , Marc Lesturgie
2007 IEEE International Geoscience and Remote Sensing Symposium, Jul 2007, Barcelone, Spain. ⟨10.1109/IGARSS.2007.4422970⟩
Communication dans un congrès hal-00272356v1

Modélisation intégrale de la diffusion électromagnétique par des surfaces de mer dans le cas des radars basses fréquences à ondes de surfaces

Yaël Demarty , Laetitia Thirion-Lefevre
GDR Ondes - Réunion générale Interférences d'Ondes, Nov 2007, Pessac, France
Communication dans un congrès hal-00272455v1

Modelling of the bistatic scattering by a group of cylinders

Laetitia Thirion-Lefevre , Cyril Dahon
3rd International Workshop on Science and Applications of SAR Polarimetry and Polarimetric Interferometry (PolInsar 2007), Jan 2007, Frascati, Italy. 6 p. CD-ROM Proceedings
Communication dans un congrès hal-00272374v1

SAR Processor based on a CFAR Signal or Interference Subspace Detector Matched to Man Made Target Detection in a Forest

R. Durand , L. Thirion , Guillaume Ginolhac , Philippe Forster
2007, Hawaï, United States
Communication dans un congrès halshs-00158343v1

Détection de cibles cachées sous couvert forestier au moyen d'un processeur SAR basé sur un détecteur de sous-espaces

Rémy Durand , Laetitia Thirion-Lefevre , Guillaume Ginolhac , Philippe Forster
GDR Ondes, Nov 2007, Pessac, France
Communication dans un congrès hal-00272489v1

Modeling radar scattering by forested areas

Laetitia Thirion-Lefevre
Workshop SONDRA, Apr 2007, Aussois, France
Communication dans un congrès hal-00272464v1

Bistatic image formation using ISAR methods

Chin Yuan Chong , Laetitia Thirion-Lefevre
Workshop SONDRA, Apr 2007, Aussois, France
Communication dans un congrès hal-00272467v1

SAR processor based on a CFAR signal on interference subspace detector matched to man-made target detection in a forest

Rémy Durand , Guillaume Ginolhac , Philippe Forster , Laetitia Thirion-Lefevre
2007 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2007), Apr 2007, Honolulu, United States. ⟨10.1109/ICASSP.2007.366230⟩
Communication dans un congrès hal-00272370v1

Detection of a target hidden in a forest: Performance of a SAR Processor based on a subspace detector

Rémi Durand , Guillaume Ginolhac , Philippe Forster , Laetitia Thirion
European Conference on Synthetic Aperture Radar (EUSAR 2006), May 2006, Dresde, Germany. 4 p. sur CD-ROM
Communication dans un congrès hal-00278631v1

Man Made Target Detection in a Forest with a Subspace SAR Processor

R. Durand , L. Thirion , Guillaume Ginolhac , Philippe Forster
2006, Denver, Colorado, United States
Communication dans un congrès halshs-00158358v1

Implemetation and optimization of a SAR processor based on a subspace detector. Application to Man Made Target detection in a forest.

R. Durand , L. Thirion , Guillaume Ginolhac , Philippe Forster
2006, Lerici, Italy
Communication dans un congrès halshs-00158347v1

New SAR Processor Based on a Subspace Detector

Rémi Durand , Laetitia Thirion , Guillaume Ginolhac , Philippe Forster
14th European Signal Processing Conference (EUSIPCO 2006), Sep 2006, Florence, Italy. 5 p. sur www.eurasip.org
Communication dans un congrès hal-00278607v1

New SAR Processor based on a subspace detector..

R. Durand , Guillaume Ginolhac , Philippe Forster , L. Thirion
2006, Florence, Italy
Communication dans un congrès halshs-00158351v1

Relation between attenuation coefficient and interferometric heights behavior from P-band to L-band

Laetitia Thirion , Elise Colin
2006 IEEE International Symposium on Geoscience and Remote Sensing (IGARSS 2006), Jul 2006, Denver, United States. ⟨10.1109/IGARSS.2006.568⟩
Communication dans un congrès hal-00272114v1

Detection of a target hidden in a forest: Performance of a SAR Processor based on a Subspace Detector..

R. Durand , Guillaume Ginolhac , Philippe Forster , L. Thirion
2006, Dresde, Germany
Communication dans un congrès halshs-00158354v1

Man made target detection in a forest with a subspace detector

Rémi Durand , Laetitia Thirion , Guillaume Ginolhac , Philippe Forster
2006 IEEE International Symposium on Geoscience and Remote Sensing (IGARSS 2006), Jul 2006, Denver, United States. ⟨10.1109/IGARSS.2006.43⟩
Communication dans un congrès hal-00278611v1

Modelling of bistatic scattering of forested area at P-band

Laetitia Thirion , Cécile Titin-Schnaider , Cyril Dahon , Elise Colin
6th European Conference on Synthetic Aperture Radar, May 2006, Dresde, Germany
Communication dans un congrès hal-00272115v1

Implementation and optimisation of a SAR processor based on a subspace detector. Application to man made target detection in a forest.

Rémi Durand , Guillaume Ginolhac , Philippe Forster , Laetitia Thirion
International SAR and SAS Conference, Sep 2006, Lerici, Italy. 12 p. sur C-ROM
Communication dans un congrès hal-00278601v1

Algorithme de Synthèse d'Ouverture Basé sur un Détecteur à Sous Espace..

R. Durand , Guillaume Ginolhac , Philippe Forster , L. Thirion , M. Lesturgie
2005, Louvain, Belgique
Communication dans un congrès halshs-00158364v1

Comparison between simulations and interferometric polarimetric SAR P-band data on a pine-trees forest

Elise Colin , Laetitia Thirion-Lefevre , Cécile Titin-Schnaider , Walid Tabbara
2004 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2004), Sep 2004, Anchorage, United States. pp 3128-3131, ⟨10.1109/IGARSS.2004.1370362⟩
Communication dans un congrès hal-01269690v1

Modelling of the Scatterring by a Smooth Dieletric Cylinder : Study of the Complex Scattering Matrix using two Different Models

L. Thirion , I. Chênerie , Cyril Dahon , Laurent Ferro-Famil , A. Lefevre
POLINSAR 2003, Jan 2003, Frascati, Italy
Communication dans un congrès hal-00919047v1