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Unsupervised classification based on decomposition of RISAT-1 images for oil spill detection | IEEE Conference Publication | IEEE Xplore

Unsupervised classification based on decomposition of RISAT-1 images for oil spill detection


Abstract:

The main aim of this paper is to discuss the identification of oil spill using Hybrid polarity SAR architecture of India's first Radar imaging Satellite RISAT-1 SAR image...Show More

Abstract:

The main aim of this paper is to discuss the identification of oil spill using Hybrid polarity SAR architecture of India's first Radar imaging Satellite RISAT-1 SAR images. The RISAT-1's Hybrid polarity SAR architecture and imaging modes are discussed. The characterization of EM waves with polarization ellipse and polarization state are discussed. The Stokes parameters S1,S2,S3,S4 and its importance for deriving ellipticity and relative phase angle is described. The new m-chi and m-delta decomposition methods are used in India's Chandrayaan-1 mission for water-ice identification are illustrated. These methods are applied to Norway oil spill image of RISAT-1 to identify the oil spill region and discriminate look alikes. The preliminary results are encouraging to highlight the potential of unsupervised classification for identification of oil spill with SAR images.
Date of Conference: 22-25 August 2013
Date Added to IEEE Xplore: 21 October 2013
ISBN Information:
Conference Location: Mysore, India

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