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Utilizing image texture to detect land-cover change in Mediterranean coastal wetlands

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Land-use/cover change dynamics were investigated in a Mediterranean coastal wetland. Change Vector Analysis (CVA) without and with image texture derived from the co-occurrence matrix and variogram were evaluated for detecting land-use/cover change. Three Landsat Thematic Mapper (TM) scenes recorded on July 1985, 1993 and 2005 were used, minimizing change detection error caused by seasonal differences. Images were geometrically, atmospherically and radiometrically corrected. CVA without and with texture measures were implemented and assessed using reference images generated by object-based supervised classification. These outputs were used for cross-classification to determine the 'from-to' change used to compare between techniques. The Landsat TM image bands together with the variogram yielded the most accurate change detection results, with Kappa statistics of 0.7619 and 0.7637 for the 1985-1993 and 1993-2005 image pairs, respectively.
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Document Type: Research Article

Affiliations: 1: Department of Landscape Architecture, Cukurova University, Adana, Turkey 2: School of Geography, University of Southampton, Highfield, Southampton, UK 3: Office of the Vice-Chancellor, Talbot Campus, Bournemouth University, Fern Barrow, Poole, Dorset, UK

Publication date: 2010-04-01

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