Title :
Underwater bottom topography estimation from SAR images by regularization of the inverse imaging mechanism
Author :
Inglada, Jordi ; Garello, René
Author_Institution :
Dept. ITI, ENST de Bretagne, Brest, France
Abstract :
Introduces an algorithm for the inversion of the imaging mechanism of underwater bottom topography by synthetic aperture radar. This inversion uses a regularization approach for the smoothing of noisy data and the stabilization of the inverse imaging mechanism. The algorithm allows the estimation of seafloor depth in shallow waters with errors of about 7%
Keywords :
bathymetry; inverse problems; remote sensing by radar; synthetic aperture radar; SAR images; errors; imaging mechanism; inverse imaging mechanism; inversion algorithm; noisy data smoothing; regularization approach; seafloor depth estimation; shallow water; synthetic aperture radar; underwater bottom topography estimation; Anisotropic magnetoresistance; Convolution; Cost function; Filtering theory; Hilbert space; Nonlinear filters; Poles and zeros; Radar imaging; Smoothing methods; Surfaces;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2000. Proceedings. IGARSS 2000. IEEE 2000 International
Conference_Location :
Honolulu, HI
Print_ISBN :
0-7803-6359-0
DOI :
10.1109/IGARSS.2000.858143
