The improvement for baran phase filter derived from unbiased InSAR coherence

Mi Jiang; Xiaoli Ding; Zhiwei Li; Xin Tian; Wu Zhu; Chisheng Wang; Bing Xu

doi:10.1109/JSTARS.2013.2296322

The improvement for baran phase filter derived from unbiased InSAR coherence

Mi Jiang, Xiaoli Ding, Zhiwei Li, Xin Tian, Wu Zhu, Chisheng Wang, Bing Xu

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

25 Citations (Scopus)

Abstract

We present an improvement for the adaptive Goldstein phase filter guided by interferometric synthetic aperture radar (InSAR) coherence (Baran phase filter). The proposed method addresses the under-filtering over incoherent area where the filter parameter alpha is underestimated by the biased coherence estimation. Through correcting the overestimate of the sample coherence, the correct filter parameter alpha is derived and the performance of the filter is optimized. Experimental results from different data sets demonstrate the advantages of the approach.

Original language	English
Article number	6712049
Pages (from-to)	3002-3010
Number of pages	9
Journal	IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Volume	7
Issue number	7
DOIs	https://doi.org/10.1109/JSTARS.2013.2296322
Publication status	Published - 1 Jan 2014

Keywords

Baran filter
coherence
interferometric synthetic aperture radar (InSAR)
unbiased coherence estimator

ASJC Scopus subject areas

Computers in Earth Sciences
Atmospheric Science

More information

10.1109/JSTARS.2013.2296322

Cite this

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abstract = "We present an improvement for the adaptive Goldstein phase filter guided by interferometric synthetic aperture radar (InSAR) coherence (Baran phase filter). The proposed method addresses the under-filtering over incoherent area where the filter parameter alpha is underestimated by the biased coherence estimation. Through correcting the overestimate of the sample coherence, the correct filter parameter alpha is derived and the performance of the filter is optimized. Experimental results from different data sets demonstrate the advantages of the approach.",

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AU - Li, Zhiwei

AU - Tian, Xin

AU - Zhu, Wu

AU - Wang, Chisheng

AU - Xu, Bing

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KW - unbiased coherence estimator

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The improvement for baran phase filter derived from unbiased InSAR coherence

Abstract

Keywords

ASJC Scopus subject areas

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