There are a zillion digital photos in the public domain and scientists have just figured out something very cool to do with them. A team from Google and the University of Washington have developed a fully automated way to create time-lapse videos of popular tourists landmarks using images from Flickr, Picasa and other sites.
First, the researchers sorted some 86 million photos by geographic location, looking for widely snapped landmarks. Next, the photos were ordered by date and warped so that all had a matching viewpoint. Lastly, each photo was color-corrected to have a similar appearance, resulting in uniform time-lapse videos.
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