Title :
Probabilistic cost functions for network flow phase unwrapping
Author :
Carballo, G.F. ; Fieguth, P.W.
Author_Institution :
Fac. Ingenieria, Centro de Calculo, Montevideo, Uruguay
Abstract :
Phase unwrapping is a key step in deriving topographic information from interferometric SAR. A recent method is based on minimizing the total weighted length of branch cuts by computing the minimum cost flow on a network. The authors provide a theoretical foundation to derive the network weights based on a probabilistic approach
Keywords :
geophysical techniques; radar imaging; radar theory; remote sensing by radar; synthetic aperture radar; terrain mapping; topography (Earth); InSAR; SAR; branch cuts; geophysical measurement technique; interferometric SAR; land surface topography; minimizing; minimum cost flow; network flow phase unwrapping; network weights; probabilistic approach; probabilistic cost function; radar imaging; radar remote sensing; synthetic aperture radar; terrain mapping; theoretical foundation; topographic mapping; total weighted length; Computer networks; Cost function; Maximum likelihood estimation; Phase measurement; Phase noise; Probability; Surfaces; Synthetic aperture radar; Synthetic aperture radar interferometry; Wrapping;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1999. IGARSS '99 Proceedings. IEEE 1999 International
Conference_Location :
Hamburg
Print_ISBN :
0-7803-5207-6
DOI :
10.1109/IGARSS.1999.772009
