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ImageCat to begin its second year as a research institution in the Multidisciplinary Center for Earthquake Engineering Research Long Beach, CA - January 2, 2002. For the second year, ImageCat has been selected to be a research participant in the National Science Foundation part of MCEER. This participation will focus primarily on MCEER's Program 3 that deals with Response and Recovery Issues. ImageCat has been leading the effort to apply remote sensing technologies to post-earthquake damage detection. Using several different remote sensing platforms, we have been successful in detecting changes in before and after images that correlate with damage in two different earthquakes: 1994 Northridge earthquake and the 1999 Marmara, Turkey earthquake. In the next year, we hope to extend this analysis to the 1999 Chi-Chi, Taiwan earthquake and perhaps several other events. In addition to this work, ImageCat has also been focusing on the use of remotely sensed data to construct regional
building inventories. Using synthetic aperture radar (SAR) and LIDAR technology, we have demonstrated that regional
estimates of building volume (i.e., total floor area) can be produced by quantifying the heights and footprints of
buildings. Significantly different trends and patterns are observed for different development zones (e.g., residential,
commercial and industrial). A report on "Bare-Earth Algorithms for Use with SAR and LIDAR Digital Elevation Models"
will be published in Spring 2002 as part of this research activity. |
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