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29 October 2007 A threshold method for coastal line feature extraction from optical satellite imagery
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The coastal zone of world is under increasing stress due to development of industries, trade and commerce, tourism and resultant human population growth and migration, and deteriorating water quality. Satellite imagery is used for mapping of coastal zone ecosystems as well as to assess the extent and alteration in land cover/land use in coastal ecosystem. Beside anthropogenic activities, episodic events, such as storms, floods, induce certain changes or accelerate the process of change, so in order to conserve the coastal ecosystems and habitats is an urgent need to define coastal line and its spatio-temporal changes. Coastlines have never been stable in terms of their long term and short term positions. Coastal line is a simple but important type of feature in remote sensed images. In remote sensing have been proposed many valid approaches for automatically identifying of this feature, of which the accuracy and speed is the most important. The aim of the paper is to develop a threshold-based morphological approach for coastline feature extraction from optical remote sensing satellite images (LandsatTM 5, ETM 7 + and IKONOS) and to apply it for Romanian Black Sea coastal zone for period of 20 years (1985-2005).
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L. F. V. Zoran, C. Ionescu Golovanov, and M. A. Zoran "A threshold method for coastal line feature extraction from optical satellite imagery", Proc. SPIE 6749, Remote Sensing for Environmental Monitoring, GIS Applications, and Geology VII, 67492B (29 October 2007);

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