Coupled Partial Differential Equations Method for InSAS Interferogram Filtering

Pan Huang; Jun Yue; Mao Lin Wang

doi:10.4028/www.scientific.net/AMR.487.103

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 487Coupled Partial Differential Equations Method for...

Coupled Partial Differential Equations Method for InSAS Interferogram Filtering

Abstract:

In this paper, a coupled nonlinear diffusion partial differential equations (PDE) method for Interferometric Synthetic Aperture Sonar(InSAS) interferogram filtering was introduced. Many previous PDE methods in this area usually use Gauss pre-filtering. The choice of variance in Gauss function plays a very important role in the quality of the image obtained. Manually choice of the variance can hardly reach the self-adaptation aim. Using nonlinear diffusion equation to instead Gauss pre-filtering can overcome the disadvantage mentioned above. Numerical experiment results indicate that this coupled PDE method is able to effectively reduce the noise and preserve edge information. And it is important for InSAS real time processing.

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Periodical:

Advanced Materials Research (Volume 487)

Pages:

103-106

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.487.103

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Online since:

March 2012

Authors:

Pan Huang, Jun Yue, Mao Lin Wang

Keywords:

Couple, Filtering, InSAS, Interferogram, Partial Differential Equation (PDE)

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