Persistent Scatterers Interferometry detects and measures ground subsidence in Lisbon
Heleno, Sandra I.N., Oliveira, Luís G.S., Henriques, Maria J., Falcão, Ana P., Lima, José N.P., Cooksley, Geraint, Ferretti, Alessandro, Fonseca, Ana M., Lobo-Ferreira, João P., Fonseca, João F.B.D.
Published in Remote sensing of environment (15.08.2011)
Published in Remote sensing of environment (15.08.2011)
Get full text
Journal Article
Assessment of the Influence of Survey Design and Processing Choices on the Accuracy of Tree Diameter at Breast Height (DBH) Measurements Using UAV-Based Photogrammetry
Moreira, Bruno Miguez, Goyanes, Gabriel, Pina, Pedro, Vassilev, Oleg, Heleno, Sandra
Published in Drones (Basel) (01.06.2021)
Published in Drones (Basel) (01.06.2021)
Get full text
Journal Article
Detection and Delineation of Sorted Stone Circles in Antarctica
Pereira, Francisco, Marques, Jorge S., Heleno, Sandra, Pina, Pedro
Published in Remote sensing (Basel, Switzerland) (01.01.2020)
Published in Remote sensing (Basel, Switzerland) (01.01.2020)
Get full text
Journal Article
Evidence of Surface Rupture Associated With Historical Earthquakes in the Lower Tagus Valley, Portugal. Implications for Seismic Hazard in the Greater Lisbon Area
Canora, Carolina, Vilanova, Susana P., De Pro-Diáz, Yolanda, Pina, Pedro, Heleno, Sandra
Published in Frontiers in earth science (Lausanne) (03.03.2021)
Published in Frontiers in earth science (Lausanne) (03.03.2021)
Get full text
Journal Article
Hydroacoustic detection of volcanic ocean-island earthquakes
Helffrich, George, Heleno, Sandra I. N., Faria, Bruno, Fonseca, João F. B. D.
Published in Geophysical journal international (01.12.2006)
Published in Geophysical journal international (01.12.2006)
Get full text
Journal Article
Monitoring recent changes of vegetation in Fildes Peninsula (King George Island, Antarctica) through satellite imagery guided by UAV surveys
Miranda, Vasco, Pina, Pedro, Heleno, Sandra, Vieira, Gonçalo, Mora, Carla, E.G.R. Schaefer, Carlos
Published in The Science of the total environment (20.02.2020)
Published in The Science of the total environment (20.02.2020)
Get full text
Journal Article
Multiparameter monitoring of Fogo Island, Cape Verde, for volcanic risk mitigation
Fonseca, Joao F.B.D., Faria, Bruno V.E., Lima, Nuno P., Heleno, Sandra I.N., Lazaro, Clara, d’Oreye, Nicolas F., Ferreira, Ana M.G., Barros, Inocencio J.M., Santos, Paula, Bandomo, Zuleyka, Day, Simon J., Osorio, Jose P., Baio, Miguel, Matos, Joao L.G.
Published in Journal of volcanology and geothermal research (10.07.2003)
Published in Journal of volcanology and geothermal research (10.07.2003)
Get full text
Journal Article
Texton-Based Ensemble Classification of Landslide Source and Transport Areas in VHR Imagery
Silveira, Margarida, Heleno, Sandra, Pina, Pedro
Published in IEEE geoscience and remote sensing letters (01.12.2016)
Published in IEEE geoscience and remote sensing letters (01.12.2016)
Get full text
Journal Article
The Eastern Lower Tagus Valley Fault Zone in central Portugal: Active faulting in a low-deformation region within a major river environment
Canora, Carolina, Vilanova, Susana P., Besana-Ostman, Glenda M., Carvalho, João, Heleno, Sandra, Fonseca, Joao
Published in Tectonophysics (07.10.2015)
Published in Tectonophysics (07.10.2015)
Get full text
Journal Article
Using simplified bathymetry and SAR imagery in the validation of a hydraulic model for the Tagus River floodplain
Araújo, Maria Amélia V.C., Pestana, Rita, Matias, Magda, Roque, Dora, Trigo-Teixeira, António, Heleno, Sandra
Published in Journal of coastal research (01.03.2016)
Published in Journal of coastal research (01.03.2016)
Get full text
Journal Article
Seasonal tropospheric influence on SAR interferograms near the ITCZ – The case of Fogo Volcano and Mount Cameroon
Heleno, S.I.N., Frischknecht, C., d’Oreye, N., Lima, J.N.P., Faria, B., Wall, R., Kervyn, F.
Published in Journal of African earth sciences (1994) (01.12.2010)
Published in Journal of African earth sciences (1994) (01.12.2010)
Get full text
Journal Article
Water/land segmentation in SAR images using level sets
Silveira, M., Heleno, S.
Published in 2008 15th IEEE International Conference on Image Processing (01.10.2008)
Published in 2008 15th IEEE International Conference on Image Processing (01.10.2008)
Get full text
Conference Proceeding
Assessment of Antarctic Vegetation Classification as a Function of the Spatial Resolution (Barton and Weaver Peninsulas, King George is)
Miranda, Vasco, Pina, Pedro, Heleno, Sandra, Hong, Soon Gyu, Lee, Hyoungseok, Vieira, Goncalo
Published in IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium (17.07.2022)
Published in IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium (17.07.2022)
Get full text
Conference Proceeding
Segmentation of SAR images using textons
Seixas, Francisco, Silveira, Margarida, Heleno, Sandra
Published in 2014 IEEE Geoscience and Remote Sensing Symposium (01.07.2014)
Published in 2014 IEEE Geoscience and Remote Sensing Symposium (01.07.2014)
Get full text
Conference Proceeding