Search Results - "Wegmuller, U."

Glacier motion estimation using SAR offset-tracking procedures by Strozzi, T., Luckman, A., Murray, T., Wegmuller, U., Werner, C.L.

“…Two image-to-image patch offset techniques for estimating feature motion between satellite synthetic aperture radar (SAR) images are discussed. Intensity…”
Get full text

Subsidence induced by urbanisation in the city of Rome detected by advanced InSAR technique and geotechnical investigations by Stramondo, S., Bozzano, F., Marra, F., Wegmuller, U., Cinti, F.R., Moro, M., Saroli, M.

“…We applied the Interferometric Point Target Analysis (IPTA) technique to study the city of Rome (Italy) aiming to detect and measure the surface movements of…”
Get full text

Nonuniform Ground Motion Monitoring With TerraSAR-X Persistent Scatterer Interferometry by Wegmuller, U., Walter, D., Spreckels, V., Werner, C.L.

“…In the past, the application of Persistent Scatterer Interferometry (PSI) was primarily possible in the case of slow (less than a few centimeters per year)…”
Get full text

An advanced system for the automatic classification of multitemporal SAR images by Bruzzone, L., Marconcini, M., Wegmuller, U., Wiesmann, A.

“…A novel system for the classification of multitemporal synthetic aperture radar (SAR) images is presented. It has been developed by integrating an analysis of…”
Get full text

Estimation of Arctic glacier motion with satellite L-band SAR data by Strozzi, Tazio, Kouraev, Alexei, Wiesmann, Andreas, Wegmüller, Urs, Sharov, Aleksey, Werner, Charles

“…Offset fields between pairs of JERS-1 satellite SAR data acquired in winter with 44 days time interval were employed for the estimation of Arctic glacier…”
Get full text

Rough bare soil reflectivity model by Wegmuller, U., Matzler, C.

“…A semiempirical model for the reflectivity of rough bare soil is presented. One of the main objectives of this new model development was to derive a simple…”
Get full text

C-band polarimetric indexes for maize monitoring based on a validated radiative transfer model by Blaes, X., Defourny, P., Wegmuller, U., Della Vecchia, A., Guerriero, L., Ferrazzoli, P.

“…This paper assess the possibilities of the synthetic aperture radar (SAR) sensors currently in orbit for the maize monitoring defining the configurations…”
Get full text

Retrieval of vegetation parameters with SAR interferometry by Wegmuller, U., Werner, C.

“…The potential of SAR interferometric techniques for the retrieval of vegetation parameters was investigated using ERS-1 data over agricultural and forested…”
Get full text

Observing and Modeling Multifrequency Scattering of Maize During the Whole Growth Cycle by Della Vecchia, A., Ferrazzoli, P., Guerriero, L., Ninivaggi, L., Strozzi, T., Wegmuller, U.

“…The objective of this paper is to carry out a systematic investigation about the sensitivity of radar to maize crop growth and soil moisture by considering a…”
Get full text

JERS SAR interferometry for land subsidence monitoring by Strozzi, T., Wegmuller, U., Werner, C.L., Wiesmann, A., Spreckels, V.

“…In this paper, the potential of L-band repeat-pass differential synthetic aperture radar (SAR) interferometry for land subsidence monitoring is evaluated using…”
Get full text

MULTIDIMENSIONAL ROUGHNESS CHARACTERIZATION FOR MICROWAVE REMOTE SENSING APPLICATIONS USING A SIMPLE PHOTOGRAMMETRIC ACQUISITION SYSTEM by Marzahn, P., Rieke-Zap, D., Wegmuller, U., Ludwig, R.

“…Soil surface roughness, as investigated in this study, is a critical parameter in microwave remote sensing. As soil surface roughness is treated as a…”
Get full text

Analysis of the terrain displacement along a funicular by SAR interferometry by Strozzi, T., Wegmuller, U., Keusen, H.R., Graf, K., Wiesmann, A.

“…An analysis of the terrain displacement along a funicular in Switzerland was performed by satellite synthetic aperture radar interferometry using ERS-1/2 data…”
Get full text

SAR interferometric signatures of forest by Wegmuller, U., Werner, C.L.

“…The potential of SAR interferometry for forest mapping and monitoring is discussed. It is shown that forest can clearly be discriminated from other land…”
Get full text

Wheat cycle monitoring using radar data and a neural network trained by a model by Del Frate, F., Ferrazzoli, P., Guerriero, L., Strozzi, T., Wegmuller, U., Cookmartin, G., Quegan, S.

“…This paper describes an algorithm aimed at monitoring the soil moisture and the growth cycle of wheat fields using radar data. The algorithm is based on neural…”
Get full text

Repeat-Pass Interferometric Coherence Measurements of Disturbed Tropical Forest from JERS and ERS Satellites by Luckman, Adrian, Baker, John, Wegmüller, Urs

“…The phase coherence between repeat-pass SAR observations of a tropical forest region was investigated as a source of information for biophysical…”
Get full text

"Flashing Fields" in Nearly Simultaneous ENVISAT and ERS-2 C-Band SAR Images by Wegmuller, U., Cordey, R.A., Werner, C., Meadows, P.J.

“…Large differences are observed between radar backscatter measurements made by the ENVISAT and ERS-2 satellite synthetic aperture radars, within 30 min of each…”
Get full text

Multi-year global land cover mapping at 300 m and characterization for climate modelling: achievements of the Land Cover component of the ESA Climate Change Initiative by Bontemps, S., Boettcher, M., Brockmann, C., Kirches, G., Lamarche, C., Radoux, J., Santoro, M., Vanbogaert, E., Wegmüller, U., Herold, M., Achard, F., Ramoino, F., Arino, O., Defourny, P.

“…Essential Climate Variables were listed by the Global Climate Observing System as critical information to further understand the climate system and support…”
Get full text

Mapping wet snowcovers with SAR interferometry by Strozzi, Tazio, Wegmuller, Urs, Matzler, Christian

“…The capability of mapping wet snowcovers by means of Synthetic Aperture Radar (SAR) is well known. However, using only the backscattering intensity at C-band,…”
Get full text

Forest stem volume estimation using C-band interferometric SAR coherence data of the ERS-1 mission 3-days repeat-interval phase by Santoro, Maurizio, Wegmüller, Urs, Askne, Jan

“…Interferometric synthetic aperture radar (InSAR) coherence datasets from the 3-days phase of the European Remote Sensing Satellite (ERS-1) mission during the…”
Get full text

Arid land surface characterization with repeat-pass SAR interferometry by Wegmuller, U., Strozzi, T., Farr, T., Werner, C.L.

“…Repeat pass ERS SAR interferometry was used to map different surface types of the Death Valley Salt Pan. At this arid site, the surface roughness varies…”
Get full text