Publications

2024

Books

C. Mallet and N. Chehata, 2024, Multitemporal Observation Image Analysis, Wiley-ISTE, 9 July 2024

Journals

H. Njimi, N. Chehata and F. Revers, Fusion of Dense Airborne LiDAR and Multispectral Sentinel-2 and Pleiades Satellite Imagery for Mapping Riparian Forest Species Biodiversity at Tree Level, Submitted to Sensors Journal.

Conferences

A. Ransinangue, R. Labourdette, E. Houzay, N. Chehata, R. Bourillot, S. Guillon and E. Dujoncquoy, Carbonates Thin Section Segmentation based on a Synthetic Data Training Approach, 4th EAGE Digitalization Conference & Exhibition, March 25-27, 2024.

https://doi.org/10.3997/2214-4609.202439066

2023

Journals

R. Katlane, B. El Kilani, O. Dhaoui, F. Kateb and N. Chehata, Monitoring of sea surface temperature, chlorophyll, and turbidity in Tunisian waters from 2005 to 2020 using MODIS imagery and the Google Earth Engine, Regional Studies in Marine Science 66, 103-143.

Conferences

R. Katlane, B. El Kilani, O. Dhaoui and N. Chehata, Long-term Spatial Observations of Tunisian Coastal Waters, Monitoring Water Quality and Dynamics Using Remote Sensing Data, 5th euro-mediterranean conference for environmental integration, 2-5 October 2023, Rende (Cosenza), Italy.

M. Zaouali, I. Hentati and N. Chehata CoastSat Based Toolkit for Shoreline Extraction and Prediction Using Sentinel-2Multispectral Satellite Time Series: A Case of Study of Salakta-Mahdia Coast,Tunisia , medGU-23, Mediterranan Geosciences Union, 27-30 November 2023, Istanbul, Turkey.

2022

Journals

V. Sainte Fare Garnot, L. Landrieu and N. Chehata, Multi-modal temporal attention models for crop mapping from satellite time series, ISPRS Journal of Photogrammetry and Remote sensing 187, 294-305, Mai 2022.

Ekaterina Kalinicheva, Loic Landrieu, C. Mallet and N. Chehata, Predicting Vegetation Stratum Occupancy from Airborne LiDAR Data with Deep Learning, nternational Journal of Applied Earth Observation and Geoinformation, Volume 112, 2022,102863, ISSN 1569-8432, https://doi.org/10.1016/j.jag.2022.102863.

Conferences

K. Keraani, K. Mansour, B. Khlaifia and N. Chehata, Few shot crop mapping using transformers and tarsnfer learning with Sentinel-2 time series: Case of Kairouan Tunisia, Proceedings of XXII ISPRS conference, ISPRS archives Vol. XLIII-B3-2022, (2022): 899-906, Nice, France.

Ekaterina Kalinicheva, Loic Landrieu, C. Mallet and N. Chehata, Multi-layer modeling of dense vegetation from aerial LiDAR scans, Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, 2022, pp. 1342-1351.

H. Chakroun, S. Bouhlel, A. Belhaj and N. Chehata, Modeling Cereals Water Productivity by Remote Sensing in Lebna Basin, Tunisia, 2022 IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), 2022, pp. 202-205, doi: 10.1109/M2GARSS52314.2022.9840260.

2021

Journals

Samia Boukir, Li Guo and nesrine Chehata, Improving remote sensing multiple classification by data and ensemble selection, Photogrammetric Engineering & Remote Sensing, Volume 87, Number 11, November 2021, pp. 841-852(12).

Conferences

Ekaterina Kalinicheva, Loic Landrieu, Clément Mallet and Nesrine Chehata, Vegetation Stratum Occupancy Prediction from Airborne LiDAR 3DPoint Clouds, SilviLaser 2021, Vienna, Austria.

Houssem Njimi, Nesrine Chehata and Frederic Revers, Mapping riparian forest species for biodiversity analysis by fusion of Airborne LiDAR and multipsectral satellite imagery, SilviLaser 2021, Vienna, Austria.

2020

Journals

S. Giordano, S. Bailly, L. Landrieu and N. Chehata, Improved Crop Classification with Rotation Knowledge Using Sentinel 1 and 2 Time Series, Photogrammetric Engineering & Remote Sensing Vol. 86, No. 7, July 2020, pp. 431-441.

C. Mallet N. Chehata, M.Fauvel, L. Gueguen, A. Le-Bris and J. Chen, Special issue on "Operational Land cover/land use mapping", Remote sensing. 2020; 12(18):2935.

Conferences

V. Sainte Fare Garnot, L. Landrieu, S. Giordano and N. Chehata."Satellite Image Time Series Classification with Pixel-set Encoders and Temporal Self-attention", CVPR (Computer Vision and Pattern Recognition) 2020, Washington, USA.

N. Chehata, Hedia Chakroun, Rania Youssfi, Mohamed Amine Maaoui, Anis Manai, Rami Werhani, Kamel Aloui, Nizar Kouki, Wafa Talhaoui and T. Sahli Chahed, Improving Forest species mapping using Sentinel-2 time series, IEEE M2GARSS 2020, Tunis, Tunisia.

Mohamed Amine Maaoui, N. Chehata and T. Sahli Chahed, Assessment of Airborne Photogrammetric DSM Accuracy for forest canopy modelling : Application in Tunisia. IEEE M2GARSS 2020, Tunis, Tunisia.

2019

Book Chapters

Arnaud Le Bris, Nesrine Chehata, Xavier Briottet and Nicolas Paparoditis, "Spectral Optimization of Ariborne Multispectral Camera for Land Cover Classificaiton: Automatic Feature Selection and Spectral Band Clustering", Book Geographical Information Systems in Geospatial Intelligence, IntechOpen Book, DOI: 10.5772/intechopen.88507

Arnaud Le Bris, Nesrine Chehata, Walid Ouerghemmi, Cyril Wendl, Clement Mallet, Tristan Postadjian and Anne Puissant, "Decision Fusion of Remote Sensing Data for Land Cover Classification", In Book Multimodal Scene Understanding: Algorithms, Applications and Deep Learning, Academic Press, 525 p, 2019.

Conferences

V. Sainte Fare Garnot, L. Landrieu, S. Giordano and N. Chehata."Time-space tradeoff in deep learning models for crop classification on satellite multi-spectral image time series", IGARSS 2019, Yokohama, Japan.

A. Le Bris and N. Chehata. "A comparison of several spectral and spatial configuration for urban material classification", JURSE 2019, Vannes, France.

A. Le Bris and N. Chehata. "Urban morpho-types classification from SPOT-6/7 imagery and Sentinel-2 time series", JURSE 2019, Vannes, France.

2018

Journals

I. Ben Slimene, N.Chehata, J.S. Bailly, R.I. Farah and P. Lagacherie, "Parcel-based active learning for large extent cultivated area mapping" , IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (IF=2.145), 11 (1), p 79-88, 2018.

C. Wendl, A. Le Bris, N. Chehata, A. Puissant and Tristan Postadjian. "Fusion tardive d'images SPOT-6/7 et de données multitemporelles Sentinel-2 pour la détection de la tache urbaine", Revue Française de Photogrammétrie et de Télédétection 217-218, pp.87-97, 2018.

Conferences

C. Wendl, A. Le Bris, N. Chehata, A. Puissant and T. Postadjian. "Decision fusion of spot6 and multitemporal Sentinel2 images for urban area detection", IGARSS 2018, Valencia, Spain.

S. Bailly, S. Giordano, L. Landrieu and N. Chehata. "Crop-rotation structured classification using multi-source Sentinel images ans LPIS for crop type

mapping", IGARSS 2018, Valencia, Spain.

C. Weber, R. Aguejdad, , X. Briottet, J. Aval, S. Fabre, J. Demuynck, E. Zenou, Y. Deville, M.S. Karoui, F.Z. Benhalouche, S. Gadal, W. Ouerghemmi, C. Mallet, A. Le-Bris and N. Chehata. " Hyperspectral imagery for environmental urban planning", IGARSS 2018, Valencia, Spain.

A. Le Bris, C. Wendl, N. Chehata, and A. Puissant. "Fusion tardive d'images SPOT-6/7 et de données multitemporelles Sentinel-2 pour la détection de la tache artificialisée", CFPT 2018, Marne La Vallée, France.

N. Touihri, N. Chehata, Hedia Chakroun and T. Sahli Chahed. "Contribution of Sentinel 2 images spectral bands for mapping forest land cover: Application to Tbeynia site, Jendouba, Tunisia", CFPT 2018, Marne La Vallée, France.

2017

Conferences

W. Ouerghemmi, A. Le Bris, N. Chehata, and C. Mallet. "A two-step decision fusion strategy: application to hyperspectral and multispectral images for urban classification", International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, CMRT'17 City Models, Roads and Traffic}, 2017, Juin, Hannover, Germany.

A. Le Bris, N. Chehata, X. Briottet, and N. Paparoditis. "Hierarchically exploring the width of spectral bands for urban material classification",JURSE,Mars 2017, Dubai, UAE.

N. Touihri, N. Chehata, H. Chakroun, and T. Sahli Chahed. "Apport des images Sentinel2 pour la cartographie des peuplements forestiers : application de Site de Tbeinya", Jendouba, Tunisie, SIRF 2017 La recherche forestière au service du développement forestier", Novembre 2017, Hammamet, Tunisie.

A. Laffet, W. Talhaoui, N. Kouki, N. Chehata, Kamel ALoui, ANis Manai and T. Sahli Chahed. "Suivi de la dynamique forestière de Sidi ZId par des images multispectrales", SIRF 2017 "La recherche forestière au service du développement forestier", Novembre 2017, Hammamet, Tunisie.

2016 Book chapters

C. Mallet, N. Chehata, and J-S. Bailly. "Airborne LiDAR data processing". Remote Sensing of Land Surfaces, Volume 1: Remote sensing techniques, principles and methods, chapter 06 ISTE Editor, Elsevier, Land- Environment System.

X. Briottet, N.Chehata, R. Oltra-Carrio, A.Le Bris, and C. Weber. "Optical remote sensing in urban environements". Remote Sensing of Land Surfaces, Volume 4: Land Surface Remote Sensing in Urban and Coastal Areas, chapter 01 ISTE Editor, Elsevier, Land- Environment System.

C. Mallet, N. Chehata, and J-S. Bailly. "Méthodes de traitement de données LIDAR". Télédétection pour l’Observation des Surfaces Continentales, Tome 1: Techniques de télédétection : principes et méthodes, chapitre 06 ISTE Editeur, Elsevier, Système Terre – Environnement.

X.Briottet, N.Chehata, R. Oltra-Carrio, A.Le Bris, and C. Weber. "Application de l’imagerie optique aux milieux urbains". Télédétection pour l’Observation des Surfaces Continentales, Tome 4: Applications thématiques: Environnement et Risques ISTE Editeur, Elsevier, Système Terre – Environnement.

Journals

G. Sofia, J.-S. Bailly, N. Chehata, P. Tarolli, and F. Levavasseur. "Comparison of pleiades and lidar digital elevation models for terraces detection in farmlands". IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (IF=2.145), pp(99):1–10, 2016.

A. Ferraz, C. Mallet, and N. Chehata. Large-scale road detection in forested mountainous areas using airborne topographic lidar data. ISPRS Journal of Photogrammetry and Remote Sensing (IF=4.188), 112:23–36, 2016

Conferences

A. Le Bris, N. Chehata, X. Briottet, and N. Paparoditis. "Spectral band selection for urban material classification using hyperspectral libraries"

In International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, volume III-7, XXIII ISPRS Congress, p 33–40, Jul 2016, Prague, Czech Republic

I. Ben Slimene, N.Chehata, P. Lagacherie,I.R. Farah and J.S. Bailly, " Agricultural land cover mapping by active learning from multispectral spot6 satellite image" in TeanGeo 2016, Oct 2016, Tunis.

2015

Journals

C.Mallet, N. Chehata, G. Mercier. Editorial Theme Issue "Multitemporal remote sensing data analysis". ISPRS Journal of Photogrammetry and Remote Sensing vol. 107, pp.1-2,2015.

N. Chehata, K. Ghariani, A. Le Bris, and P. Lagacherie. "Délimitation des parcelles agricoles par classification d'images Pléiades", Revue Française de Photogrammétrie et Télédétection, 209: 165-171, 2015.

A. Ferraz., C. Mallet, and N. Chehata. Détection de la desserte forestière en milieu montagneux par lidar aéroporté. Revue Française de Photogrammétrie et de Télédétection, 211-212,pp. 103-117, 2015.

Conferences

A. Le Bris, N.Chehata, X. Briottet and N. Paparoditis, "Extraction of optimal spectral bands using hierarchical band merging out of hyperspectral data". Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-3/W3, 459-465, 2015, La grande motte, France.

Jacob F., Mekki I., Annabi M., Bahri H. , Bacha S.; Ben Mechlia N., Ben Slimane A., Bouhlila R., Boussema M. R, Bouteffeha M., Chehata N., Dagès, El Maaoui M.A., Evrard O. , Feurer D., Gana A., Gomez C, Grünberger O, Lagacherie P., Le Bissonnais Y., Lefèvre I., Masmoudi M., Molénat J. , Nacer S., Ouerghemmi W., Pierrot-Deseilligny M. - P., Planchon O., Prévot L., Raclot D., Voltz M., Zitouna-Chebbi R. "The SICMED Lebna project: scientific results and partnership benefits", Conférence internationale MISTRALS 2015; 10/2015.

A. Le Bris, N.Chehata, X. Briottet and N. Paparoditis, "A random forest class memberships based wrapper band selection criterion: Application to hyperspectral," in Geoscience and Remote Sensing Symposium (IGARSS), 2015 IEEE International , vol., no., pp.1112-1115, 26-31 July 2015.

I. Ben Slimene, N.Chehata, P. Lagacherie, J-S. Bailly, and I.R. Farah, "Can we automatically choose best uncertainty heuristics for large margin active learning?," in Geoscience and Remote Sensing Symposium (IGARSS), 2015 IEEE International , vol., no., pp.4360-4363, 26-31 July 2015.

Cazals, C.; Benelcadi, H.; Frison, P.-L.; Mercier, G.; Lardeux, C.; Chehata, N.; Champion, I.; Rudant, J.-P., "Contribution of textural information from TerraSAR-X image for forest mapping," in Geoscience and Remote Sensing Symposium (IGARSS), 2015 IEEE International , vol., no., pp.549-552, 26-31 July 2015

J.S. Bailly, G. Sofia, N. Chehata, and P. Tarolli and F. Levavasseur. "Farmland terrace slope detection from Pleiades Digital Elevation Models", Geophysical research abstracts. VOl 17, EGU 2015-10021,2015, Vienna, Austria.

2014

Journals

B. Beguet., D. Guyon, S. Boukir, N. Chehata. Automated retrieval of forest structure variables based on multi-scale texture analysis of VHR satellite imagery. ISPRS Journal of Photogrammetry and Remote Sensing, 96(1), pp.164-178 , October 2014.

N. Chehata, C. Orny, S. Boukir and D. Guyon., Object-based change detection in wind-storm damaged forest using high resolution multispectral images, International Journal of Remote Sensing, volume 35, issue 13, 2014.

B. Beguet., N. Chehata, S. Boukir and D. Guyon. Quantification et cartographie de la structure forestière à partir de la texture des images pléiades, Revue Française de Photogrammétrie et Télédétection, 208: 83-88, 2014.

Conferences

I. Ben Slimene, N.Chehata, I.R. Farah and P. Lagacherie, Uncertainty Heuristics of Large Margin Active Learning for Hyperspectral Image Classification, IEEE IPAS’14: International Image Processing Applications And Systems Conference, Hammamet, Tunisia, November 2014

A. Le Bris, N.Chehata, X. Briottet and N. Paparoditis, Identify important spectrum bands for classification using importances of wrapper selection applied to hyperspectral data. IWCIM 2014 (International Workshop on Computational Intelligence for Multimedia Understanding), Paris.

N.Chehata, A. Le Bris and S. Najjar., Contribution of band selection and fusion for hyperspectral classification, IEEE WHISPERS 2014, Lausanne, Suisse, Juin 2014.

A. Le Bris, N. Chehata, X. Briottet and N. Paparoditis., Use intermediate results of wrapper band selection methods: A first step toward the optimization of spectral configuration for land cover classifications, IEEE WHISPERS 2014, Lausanne, Suisse, Juin 2014.

M.M Sidi Youssef, C. Mallet, N. Chehata, A. Le Bris, A. Gressin, Détection de bâtiments à partir d’une image satellitaire par combinaison d’approches ascendante et descendante, RFIA'14 (19 ème congrès national sur la Reconnaissance de Formes et l'Intelligence Artificielle), Rouen, France, Juin 2014.

M.M Sidi Youssef, C. Mallet, N. Chehata, A. Le Bris, A. Gressin, Combining top-down and bottom-up approaches for building detection in a single very high resolution satellite image, IGARSS 2014 (IEEE International Geoscience and Remtote Sensing Symposium), 4820-4823, Québec, Canada, July 2014.

K. Ghariani, N. Chehata, A. Le Bris, and P. Lagacherie, Agricultural field delimitation using active learning and random forests margin, IGARSS 2014 (IEEE International Geoscience and Remote Sensing Symposium), 1717-1720, Québec, Canada, July 2014.

A. Ferraz, C. Mallet and N. Chehata., Large-scale road network extraction in forested mountainous areas using airborne laser scanning data, IGARSS 2014 (IEEE International Geoscience and Remote Sensing Symposium), 4315-4318, Québec, Canada, July 2014.

A. Le-Bris, N. Chehata, X. Briottet and N. Paparoditis.,Optimisation de configuration spectrale pour la classification de données hyperspectrales, 3ème colloque scientifique SFPT-GH ((Société Française de Phogrammétrie et Télédetection, Groupe Hyperspectral), 15 et 16 mai 2014, IGESA Porquerolles.

N. Chehata, K. Ghariani, M.M. Sidi Youssef, A. Le Bris, C. Mallet, and P. Lagacherie. Delineation of anthropic landscape features from VHR satellite imagery: application to agricultural parcel delimitation. In Pleiades Days, Toulouse, Apr 2014.

J.S. Bailly, G. Sofia, N. Chehata, and P. Tarolli. Terracewalls detection froma pleiades digital elevation model. In Pleiades Days, Toulouse, Apr 2014.

2013

journals

J. Smeeckaert, C. Mallet, N. David, N. Chehata, A. Ferraz. Large-scale classification of water areas using airborne topographic lidar data. Remote Sensing of Environment, 138:134 - 148, November 2013.

S. Boukir , C. Orny, N. Chehata and D. Guyon. Détection de changements structurels sur des images satellite haute résolution. Application en milieu forestier. Revue Traitement du signal, volume 30, no 6/2013, 401-428, 2013.

Conferences

B. Beguet, S. Boukir, D. Guyon and N. Chehata. Modelling-based feature selection for classification of forest structure using very high resolution multispectral imagery. IEEE SMC, 4294-4299, 2013.

S. Boukir, L. Guo, N. Chehata,. Classification of remote sensing data using margin-based ensemble classifiers methods. IEEE ICIP 2013 (IEEE International Conference on Image Processing), 2602-2606, Melbourne, Australia, September 2013.

N. Chehata, A. Le Bris, P. Lagacherie. Comparison of VHR panchromatic texture features for tillage mapping. IGARSS 2013 (IEEE International Geoscience and Remtote Sensing Symposium), Melbourne, Australia, July 2013.

A. Le Bris, F. Tassin, N. Chehata. Contribution of texture and red-edge band for vegetated areas detection and identification'. IGARSS 2013 (IEEE International Geoscience and Remtote Sensing Symposium), Melbourne, Australia, July 2013.

J. Smeeckaert, C. Mallet, N. David, A. Ferraz, N. Chehata. Large-scale water classification of coastal areas using airborne topographic lidar data. IGARSS 2013 (IEEE International Geoscience and Remtote Sensing Symposium), Melbourne, Australia, July 2013.

A. Le Bris, N. Chehata, N. Paparoditis, X. Briottet. Very high resolution land cover extraction in urban areas, 8th EARSel Imaging Spectrometry Workshop, Nantes, France, April 2013.

2012

Conferences

B. Beguet, N. Chehata, Boukir S. and Guyon D. Retrieving forest structure variables from Very High

Resolution satellite images using an automatic method. ISPRS (International Society for Photogrammetry and Remote Sensing, Volume I-7, pages 1-6, Melbourne, Australia, August 2012.

B. Beguet, N. Chehata, Boukir S. and Guyon D. Detection and mapping of forest changes : application to the maritime pine stands in SW france. In Pleiades Days, Toulouse, 17-18 Janvier 2012 2012.

2011

Journals

L. Guo, N. Chehata, C. Mallet, S. Boukir. Relevance of airborne lidar and multispectral image data for urban scene classification using Random Forests. ISPRS Journal of Photogrammetry and Remote Sensing, 66(1), pp.56-66 , January 2011.

Conferences

N. Chehata, C. Orny, S. Boukir, D. Guyon. Object-based forest change detection using high resolution satellite images. PIA11, International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences (IAPRS), vol. 38 (3/W22), pp. 49-54, Münich, Germany, 5-7 October 2011

A. Le Bris, N. Chehata. Change detection in a topographic building database using submetric satellite images. PIA11, International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences (IAPRS), vol. 38 (3/W22), pp. 25-30, Münich, Germany, 5-7 October 2011.

S. Boukir, C. Orny, N. Chehata, D. Guyon. Classification multitemporelle des dégâts de tempête en forêt sur des images satellite haute résolution, GRETSI 2011, Bordeaux, France.

2010

Conferences

L. Guo, N. Chehata, S. Boukir. A Two-Pass Random Forests Classification of Airborne Lidar and Image Data on Urban Scenes . IEEE International Conference on Image Processing (ICIP), pp. 1369-1372, Hong-Kong, China, September 2010.

S. Liberge, B. Soheilian, N. Chehata, N. Paparoditis. Extraction of vertical posts in 3D laser point clouds acquired in dense urban areas by a mobile mapping system. International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, Paris, France.

L. Guo, S. Boukir, N. Chehata. Support Vectors selection for supervised learning using an ensemble approach. IAPR International Conference on Pattern Recognition (ICPR), pp 37-40, Istanbul, Turkey, August 2010.

F. Bretar, N. Chehata. Terrain Modelling from lidar range data in natural landscapes: a predictive and Bayesian framework . IEEE Transactions on Geoscience and Remote Sensing 3(48), pp. 1568-1578, March 2010.

C.Orny, N. Chehata, S. Boukir, D Guyon. Characterization of maritime pine forest structure changes with VHR satellite imagery : application to the 24th January 2009 windfall damages cartography, Technical report CNES, 59 pages, 11 January 2010.

2009

Articles de revues

N. Chehata, F. Jung, G. Stamon. A graph cut optimization guided by 3D-features for surface height recovery. ISPRS Journal of Photogrammetry and Remote Sensing 64(2), pp.193-203 , March 2009.

F. Bretar, N. Chehata. Génération de Modèles Numériques de Terrain par fusion de données lidar et image. Traitement du Signal, vol. 26 (2), avril 2009. Conferences

N. Chehata, L. Guo, C. Mallet. Airborne Lidar feature Selection for urban classification using Random Forests. International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. 38 (Part 3/W8), pp.207-212, Paris, France, September 2009.

N. Chehata, L. Guo, C. Mallet. Contribution of Airborne Full-Waveform Lidar and Image Data for Urban Scene Classification. IEEE International Conference on Image Processing (ICIP), Cairo, Egypt, November 2009.

N. Chehata, F. Bretar. Génération de Modèles Numériques de Terrain à partir de données LIDAR par approche multi-résolutions. Traitement et Analyse de l'Information: Méthodes et Applications (TAIMA), Hammamet, Tunisia, may 2009.

2008

N. Chehata, N. David, F. Bretar. Lidar data clasification using hierarchical K-means clustering. International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. 37 (Part 3B), pp.325-330, Beijing, China, July 2008.

N. Chehata, F. Bretar. Terrain modeling from Lidar Data: Hierarchical K-Means filtering and markovian regularization. IEEE International Conference on Image Processing (ICIP), San Diego, USA, October 2008.

2007

F. Bretar, N. Chehata. Digital Terrain Model on Vegetated Areas: Joint Use of Airborne Lidar Data and Optical Images.Proc. of the ISPRS Conference Photogrammetric Image Analysis (PIA). Vol. 36 (Part 3/W49A), Munich, Germany, September 2007.

N. Chehata, G. Stamon. Évaluation de produits cartographiques: un système opérationnel à différents niveaux de contrôle. Traitement du Signal, vol. 24, n° 5.

2006

N. Chehata. Hybrid Digital Elevation Model production guided by 3D-primitives: A global optimization algorithm using graph cuts . Rapport technique, 2006/1, SIP-CRIP5 (Université Paris 5).

2005

N. Chehata, M. Pierrot-Deseilligny, G. Stamon. Hybrid DEM generation constrained by 3D-primitives : A global optimization algorithm using graph cuts. IEEE International Conference on Image Processing ICIP'05, pp 117-120, Genoa, Italia, September 2005.

L. Guigues, R. Trias-Sanz, N. Chehata, F. Taillandier, M. Deveau. Segmentation multi-échelles d'images: théorie et applications. Bulletin d'Information Scientifique et Technique de l'Institut Géographique National, volume 75, pages 41-57, Paris, France, 2005.

N. Chehata. Modélisation 3D de scènes urbaines à partir d'images satellitaires à très haute résolution. Thèse de doctorat de l'université Paris 5, juin 2005.

2004

N. Chehata, F. Jung, G. Stamon. Interprétation de scènes urbaines à partir d'images satellitaires THR: Reconstruction de facettes 3D et optimisation globale 3D. Bulletin d’information de l’IGN, n°75, pp.29-40, 2004.

N. Chehata, M. Pierrot-Deseilligny, G. Stamon. Génération de MNE hybrides (raster/ vecteur) : optimisation à base de flots de graphes contrainte par des primitives. Revue Française de Photogrammétrie et de Télédétection, n°176 (2004-4), pp 30-41, 2004.

N. Chehata, F. Jung, M. Pierrot-Deseilligny, G. Stamon. Reconstruction de facettes 3D par approche hiérarchique par régions à partir de couples d’images satellite en milieu urbain.. International Conference on Sciences of Electronic, Technologies of Information and Telecommunications (SETIT), Sousse, Tunisia, March 2004.

2003

N. Chehata. Extraction de primitives 3D pour la reconstruction 3D de bâti milieu urbain à partir de couples d’images satellites haute résolution. Rapport technique, 2003/1, SIP-CRIP5 (Université Paris 5), 2003.

N. Chehata, F. Jung, M. Pierrot-Deseilligny, G. Stamon. A Region-Based Matching Approach fro 3D-Roof Recostruction from HR Satellite Stereo Pairs. Digital Image Computing Techniques and Applications (DICTA), vol II, pp 889-898, Sydney, Australia, December 2003.

2002

N. Chehata, M. Pierrot-Deseilligny, F. Jung, G. Stamon. Extraction of 3D primitives from stereopairs of satellite images for automatic reconstruction of buildings. IAPR Machine Vision and Application, pp.636-639, Nara, Japan, December 2002.

2001

N. Chehata. Indexation vidéo orientée objet : Combinaison des techniques de segmentation d’images en régions avec l’extraction des descripteurs de couleur. Master's report, Thomson R&D, Rennes, June 2001.

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