Searching for authors named "Menas Kafatos" – sorted by Relevance.
7 documents found, showing 1 through 7.
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An Efficient Method to Find Area Clusters with Constraints Using Grid Index Structure
- …This paper presents an efficient method to find area clusters satisfying certain constraints. The method uses a grid index structure to find them by examining five cell, 8connected neighborhood. The hierarchical clustering technique is applied for preprocessing the grid with similar value distributi…
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Wavelet-based hyperspectral and multispectral image fusion
- …Different research groups have recently studied the concept of wavelet image fusion between panchromatic and multispectral images using different approaches. In this paper, a new approach using the wavelet based method for data fusion between hyperspectral and multispectral images is presented. Usin…
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16 Network Geographic Information System
- …Information System (GIS) has been well established as an information system for acquiring, storing, processing, analyzing and visualizing spatial data. The success of GIS is reflected from the following developments: (1) numerous GIS software…
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Interannual Variability of Vegetation in the United States and its Relation to El
- …The Normalized Di#erence Vegetation Index #NDVI# is widely accepted as a good indicator for providing vegetation properties and associated changes for large scale geographic regions. Using multivariate time series data analysis methods based on Principal Component transform and Wavelet Decomposition…
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An XML-Based Distributed Metadata Server (DIMES) Supporting Earth Science Metadata
- …With explosively increasing volumes of remote sensing, model and other Earth Science data available and the popularity of the Internet, scientists are now facing challenges to publish and to find interesting data sets effectively and efficiently. Metadata have been recognized as a key technology to …
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Appeared on SSDBMS98 A Pyramid Data Model for Supporting Content-based Browsing and Knowledge
- …Remote sensing from space can provide global and continuous observations. The associated measurement data need to be stored and studied to understand the Earth system processes. The ability of interactive content-based browsing, i.e., browsing or searching the content to narrowdown the interesting p…
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Information Technology Implementation for a Distributed Data System Serving Earth Scientists: Seasonal to Interannual ESIP
- …In this article, we address the implementation of a distributed data system designed to serve Earth system scientists. Recently, a consortium led by George Mason University has been funded by NASA's Working Prototype Earth Science Information Partner (WP-ESIP) program to develop, implement, and oper…
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Showing 1 through 7.
