Topography Adaptive Filtering of Phase Image Based On Residue Matrix

Author

Yang, Lei ; Feng, Qian ; Wang, Zhigang

Author_Institution

Inst. of Inf. Eng., Inf. Eng. Univ.

Volume

2

fYear

2006

fDate

16-20 2006

Abstract

At present, SAR interferometry (InSAR) is the foreland of radar remote sensing. This paper will suggest residual matrix used as the factor of filtering to interferometric phase image. Two kinds of filters for phase image are modified through utilizing residual matrix. The modified filters have different filter intensity in different areas of the phase image according to noise condition. Therefore they can realize an adaptive filtering effect and preserve topographical information and fringes in areas with steep slopes. The implementation of the filters is described in detail and the effectiveness is tested by using the interferometric phase data generated from ERS-1 repeat-pass

Keywords

adaptive filters; filtering theory; matrix algebra; radar imaging; synthetic aperture radar; InSAR; SAR interferometry; interferometric phase image; radar remote sensing; residue matrix; topography adaptive filtering; Adaptive filters; Frequency conversion; Information filtering; Information filters; Noise reduction; Phase noise; Signal to noise ratio; Strips; Surfaces; Synthetic aperture radar interferometry;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing, 2006 8th International Conference on

Conference_Location

Beijing

Print_ISBN

0-7803-9736-3

Electronic_ISBN

0-7803-9736-3

Type

conf

DOI

10.1109/ICOSP.2006.345715

Filename

4129007