NDLI: Information assessment for polarimetric SAR intensity images

Content Provider	IEEE Xplore Digital Library
Author	Zakharov, I. Toutin, T.
Copyright Year	2009
Description	Author affiliation: Natural Sciences and Engineering Research Council of Canada (NSERC), Canada (Toutin, T.) \|\| Canada Centre for Remote Sensing, Natural Resources Canada, Ottawa, Canada (Zakharov, I.)
Abstract	Polarimetric synthetic aperture radar (SAR) systems generate data, which have different information content in each polarimetric band. In analyzing the intensity information of multi-polarimetric SAR images (without taking into account phase information) two key issues were addressed. First, the mutual information and the entropy are used to assess the information difference between the polarimetric bands. Second, the image restoration method for full polarimetric SAR images can be evaluated with the information theory and a statistical method of minimum mean squared error estimation. This method was used to find the amount of information in an image as a function of spatial frequencies. A priori information about the power spectrum of an image and a point spread function of SAR system was applied. Statistical quality measures as well as the amount of information show good performances for polarimetric image restoration.
Starting Page	71
Ending Page	74
File Size	425362
Page Count	4
File Format	PDF
ISBN	9781424434008
DOI	10.1109/CWIT.2009.5069524
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-13
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image restoration Polarimetric synthetic aperture radar Synthetic aperture radar Image analysis Information analysis Mutual information Entropy Information theory Statistical analysis Error analysis statistical image processing polarimetric SAR information image restoration
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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