Orthogonal Equations of Multi-Spectral Satellite Imagery for the Identification of Un-Excavated Archaeological Sites

作者: Athos Agapiou , Dimitrios Alexakis , Apostolos Sarris , Diofantos Hadjimitsis

DOI: 10.3390/RS5126560

关键词: Advanced Spaceborne Thermal Emission and Reflection RadiometerComponent (UML)Cartesian coordinate systemRemote sensingSatellite imageryVegetationSpectral signatureGeologyRemote sensing (archaeology)VNIRArchaeology

摘要: This paper aims to introduce new linear orthogonal equations for different satellite data derived from QuickBird; IKONOS; WorldView-2; GeoEye-1, ASTER; Landsat 4 TM and 7 ETM+ sensors, in order enhance the exposure of crop marks. The latest are significant value detection buried archaeological features using remote sensing techniques. proposed transformations, re-projects initial VNIR bands image, into a 3D coordinate system where first component is so called “crop mark”, second “vegetation” third “soil”. For purpose this study, large ground spectral signature database has been explored analyzed separately each image. narrow band reflectance re-calculated Relative Spectral Response filters sensor, then PCA analysis was carried out. Subsequently, three components were rotated Finally, all transformations have successfully evaluated existing sites some interesting marks exposed.

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