Photo tool could fix bad images

Found on BBC News on Tuesday, 07 August 2007
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Digital photographers could soon be able to erase unwanted elements in photos by using tools that scan for similar images in online libraries.

Research teams have developed an algorithm that uses sites like Flickr to help discover light sources, camera position and composition in a photo.

James Hays and Alexei Efros from Carnegie Mellon University have developed an algorithm to help people who want to remove bits of photographs.

"We want to generate objects of high realism while keeping the ease of use of a clip art library," said Jean-Francois Lalonde of Carnegie Mellon University who led the research.

Image processing and editing advances more and more, yet Google doesn't even offer the option to search for similar images.