Comparative Analysis of Forest Height Retrieval Methods by Polarimetric SAR Interferometry

Zhu Bo Zhou; Hong Zhang Ma; Xiao Bo Zhu; Lin Sun

doi:10.4028/www.scientific.net/AMR.726-731.4686

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 726-731Comparative Analysis of Forest Height Retrieval...

Comparative Analysis of Forest Height Retrieval Methods by Polarimetric SAR Interferometry

Abstract:

The objective of this paper is to compare and analyze the forest height retrieval methods from Polarimetric SAR Interferometry(POLINSAR).Both of the methods based on DEM difference and that on interferometry coherence amplitude are generalized, analyzed, and compared.Also in this paper combined methods of DEM difference and interferometry coherence amplitude are proposed and validated.The ESA fullpolarimetric interferometry L-band data are used for forest height analysis.The results show that the height is severely underestimated using DEM difference method,In constast,interferometry coherence amplitude method has a overest imation of height.The combined method of DEM difference and interferometry coherence amplitude has a much better estimate,closer to the true height than these two methods.

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Periodical:

Advanced Materials Research (Volumes 726-731)

Pages:

4686-4689

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.726-731.4686

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Online since:

August 2013

Authors:

Zhu Bo Zhou*, Hong Zhang Ma, Xiao Bo Zhu, Lin Sun

Keywords:

DEM Difference Alogorithm, Forest Height Retrieval, Interferometry Coherence Amplitude, POLINSAR

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