POTENTIAL OF BUILDING EXTRACTION FROM MULTI-ASPECT HIGH-RESOLUTION AMPLITUDE SAR DATA

State-of-the-art airborne SAR sensors provide spatial resolution on the order of a decimetre. In such data, many features of urban objects can be identified, which were beyond the scope of radar remote sensing before. In this paper, the impact of high-resolution SAR data on the analysis of urban scenes is discussed. The new quality of the appearance of buildings in such data is discussed with a couple of SAR images taken from orthogonal viewing directions. The topics geocoding and data fusion using different kinds of reference GIS data are addressed. The fine level of detail opens the opportunity to reconstruct the structure of man-made objects (e.g. buildings). A concept for the radargrammetric building analysis from high-resolution amplitude SAR imagery is proposed and preliminary results are presented.

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