Extended four-component decomposition by using modified cross-scattering matrix

Himanshu Maurya; Rajib Kumar Panigrahi; Amit kumar Mishra

Extended four-component decomposition by using modified cross-scattering matrix

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Author(s): Himanshu Maurya ¹ ; Rajib Kumar Panigrahi ¹ ; Amit kumar Mishra ²
- Affiliations: 1: Department of Electronics and Communication Engineering, Indian Institute of Technology, Roorkee, India ;
  2: Department of Electrical Engineering, University of Cape Town, Private Bag, Rondebosch, South Africa
Source: Volume 11, Issue 8, August 2017, p. 1196 – 1202
DOI: 10.1049/iet-rsn.2016.0502 , Print ISSN 1751-8784, Online ISSN 1751-8792

Received 04/10/2016, Accepted 04/03/2017, Revised 19/01/2017, Published 17/03/2017

In this study, the authors present an extended four-component model-based decomposition method by using a modified cross-scattering matrix. The scattering matrix of a rotated dihedral corner reflector is used to generate the modified cross-scattering matrix which accounts for the cross-polarisation power generated by the oriented dihedral structures. The orientation angles of the buildings are used to characterise this modified cross-scattering matrix which makes the proposed decomposition more feasible and effective. The effectiveness of the proposed decomposition method lies in its capability to discriminate between the cross-polarisation power generated by the oriented man-made structures and the vegetation. This makes the proposed method more suitable for the classification of oriented urban areas as compared with the existing model-based decomposition methods.

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Extended four-component decomposition by using modified cross-scattering matrix

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