Block-based Watermarking for Robust Authentication and Integration of GIS Data
Afaf Tareef,
Khawla Al-Tarawneh,
Azzam Sleit
Abstract:A Geographic Information System (GIS) is a computer system for gathering, storing, transmitting, and presenting data related to positions on Earth’s surface. This research aims to authenticate the GIS data during transmission via internet based on transform-based invisible watermarking. The proposed framework uses the singular value decomposition and discrete cosine transformation in the frequency domain. The proposed framework is evaluated on National DEM images obtained from the Geospatial Information Agency… Show more
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