WIRED Staff
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Slideshow: Image Search Goes Tagless

New technologies can find faces or products without text tags by creating 3-D models and digital signatures. By Elizabeth Svoboda.
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The red rose icon in the lower right corner means Polar Rose is installed and enabled. In this case it has found no matches so far, but the user recognizes the person and inserts the name "Nikolaj Nyholm."Image: Polarrose.com

See related story: Image Search Goes Tagless

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Polar Rose detects an untagged face and suggests matching faces. The user, who recognizes the individual, enters the person's name and presses the Save button. The rose icon turns from orange to red, and all users will then see the message "one person thinks this is Jan Erik Solem" in their dropdown menu.

Image: Polarrose.com
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Polar Rose detects a face tagged "Larry King." Five other people have agreed that the photo is indeed of the CNN host, and the user can concur or add a different name. Polar Rose also shows additional potential matches.

Image: Polarrose.com