Summary:

Sound-wave propogation models for traffic noise have been generated over an area of
more than 20,000 km2 in Austria using Inpho and eCognition software. The application
detects and quantifies changes in forests, buildings, and water bodies using aerial laser
scanning and orthophotos and has been developed by the Government of Lower Austria
as part of an urban planning initiative from the European Union. With measured accuracy
ratings above 94%, the automated approach provides an information product that would
be completely unviable and cost prohibitive to create manually.

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