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O, MFG: "Looking for tennis courts on aerial photos."
Guy makes a local tennis court database by using image recognition on Google maps.
Originally from Delicious/network/migurski by reBlogged to
Aug 28, 2010
Aug 21, 2010
Jeff Warren's masters thesis:
"Geospatial tools and information play an important role in urban planning and policymaking, and maps have diverse uses in legal, environmental, political, land rights, and social arenas. Widespread participation in mapmaking and access to its benefits is limited by obscure and expensive tools and techniques. This has resulted in poor or nonexistent maps for much of the world's population, especially in areas of urban poverty. In particular, public access to recent and high-resolution satellite imagery is largely controlled by government and large industry. This thesis proposes balloon and kite aerial photography as a low-cost and easy to learn means to collect aerial imagery for mapping, and introduces a novel open-source online tool for orthorectifying and compositing images into maps."
Mar 22, 2010
"Use Cartagen Knitter to upload your own aerial imagery and 'knit' a map. Everything you create with this tool is owned by you; read more at GrassrootsMapping.org.
Watch a short video demo of how to use this tool..."
Dec 10, 2009
Andy Allan:
"Over the last few months I've been involved in three different aerial imagery projects, all of which were to make imagery available for OpenStreetMap contributors. It's nice that we have imagery available from the guys at Yahoo!, but on occasion we lay our hands on some better stuff."