NDLI: A validation of ICA decomposition for PolSAR images by using measures of normalized compression distance

Content Provider	IEEE Xplore Digital Library
Author	Tanase, R. Vaduva, C. Datcu, M. Raducanu, D.
Copyright Year	2015
Description	Author affiliation: German Aerosp. Center, Remote Sensing Technol. Inst., Wessling, Germany (Datcu, M.) \|\| CEOSpaceTech, Univ. Politeh. of Bucharest, Bucharest, Romania (Tanase, R.; Vaduva, C.) \|\| GEOINT Center, Bucharest, Romania (Raducanu, D.)
Abstract	Simple color, intensity representations of polarimetric synthetic aperture radar (PolSAR) images fail to show the physical characteristics of the recorded ground objects, so several coherent and incoherent decomposition theorems have been proposed in the state-of-the-art literature. All these decompositions assume the fact that any scattering mechanism can be represented as the sum of some simpler, canonical" scattering mechanisms. Following the same assumption, in this paper we employ the independent component analysis (ICA) for PolSAR images representation. Since ICA is a method used for blind sources separation, we expect that the derived ICA channels represent as well as possible certain types of scattering mechanisms present in the image. ICA decomposition is validated against the coherent Pauli and the incoherent H/a/α decompositions. The normalized compression distance (NCD) is used as a measure of quality of decompositions. Experiments are made on a SLC L-band F-SAR image over Kaufbeuren airfield, Germany.
Starting Page	2369
Ending Page	2373
File Size	1560581
Page Count	5
File Format	PDF
e-ISBN	9781479983391
DOI	10.1109/ICIP.2015.7351226
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scattering Matrix decomposition Independent component analysis Image color analysis Image resolution Image coding Radar polarimetry normalized compression distance polarimetric synthetic aperture radar independent component analysis coherent decomposition incoherent decomposition
Content Type	Text
Resource Type	Article

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