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出典:『Wikipedia』 (2011/06/14 19:18 UTC 版)

英語による解説

引用

ImageAmerica is an aerial photography company that was acquired by Google in July 2007. The company specialized in creating aerial photos with "accuracy, quick delivery and low cost". It previously sold its services primarily to city, county, state, and federal governments and to corporate customers. ImageAmerica also made money by selling low-cost imagery to county appraisers and assessors. The company's clients include the Texas Department of Transportation, the U.S. Geological Survey, and the Lucas County office that covers Toledo, Ohio. For satellite imaging, the company charges US$99 per 1 square mile (2.6 km²), compared to other companies which could charge from $500 to $700 and for a lower quality than what ImageAmerica offers. It also developed its own DDP-2 (Direct Digital Panoramic) camera system. The system is housed in an aircraft. It has the ability to capture details as small as 6 inches (150 mm) to 12 inches (300 mm). ImageAmerica's patented processing system has the ability to produce orthorectified imagery corrected for perspective distortions. The company's technology also uses sensors which are based on a unique design from Sarnoff Research Labs in Princeton, New Jersey.