3D Urban Remote Sensing using Dual-baseline POL-InSAR Images at L-Band

This paper generalizes a multibaseline interferometric SAR signal model to the polarimetric configuration. Based on this formulation, two high-performance array signal processing techniques are adapted to analyze multibaseline POL-InSAR observations. These new methods enhance the height estimation of scatterers by calculating optimal polarization combinations and allow the determination of their physical characteristics. Applying the algorithms to urban environments, the building layover problem is resolved by means of polarimetric dual-baseline InSAR measurements: Up to two components within one azimuth-range resolution cell are separated. The techniques are tested using dual-baseline Pol-InSAR data acquired by DLR's E-SAR system over Dresden city.

[1]  T. Parks,et al.  Direction finding with an array of antennas having diverse polarizations , 1983 .

[2]  R. O. Schmidt,et al.  Multiple emitter location and signal Parameter estimation , 1986 .

[3]  F. Gini,et al.  Layover solution in multibaseline SAR interferometry , 2002 .

[4]  Laurent Ferro-Famil,et al.  Building characterization using L-band polarimetric interferometric SAR data , 2005, IEEE Geoscience and Remote Sensing Letters.

[5]  Mati Wax,et al.  Detection and localization of multiple sources via the stochastic signals model , 1991, IEEE Trans. Signal Process..

[6]  Laurent Ferro-Famil,et al.  Multibaseline POL-InSAR analysis of urban scenes for 3D modeling and physical feature retrieval at L-band , 2007, 2007 IEEE International Geoscience and Remote Sensing Symposium.

[7]  Petre Stoica,et al.  MUSIC, maximum likelihood and Cramer-Rao bound , 1988, ICASSP-88., International Conference on Acoustics, Speech, and Signal Processing.

[8]  Eric Pottier,et al.  An entropy based classification scheme for land applications of polarimetric SAR , 1997, IEEE Trans. Geosci. Remote. Sens..

[9]  A. Reigber,et al.  3D Visualisation and Physical Feature Extraction of Urban Areas using Multibaseline POL-InSAR Data at L-Band , 2007, 2007 Urban Remote Sensing Joint Event.

[10]  Konstantinos P. Papathanassiou,et al.  Polarimetric SAR interferometry , 1998, IEEE Trans. Geosci. Remote. Sens..

[11]  Eric Pottier,et al.  Study and Applications of POLSAR Data Time-Frequency Correlation Properties , 2007 .