Computer Vision and the Web

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Computer Vision and the Web
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Exploring online photo collections Flickr.com

• Flickrvision
• Flickr tag browser
• Flickr time graphs

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Artistic Visualization

• Jason Salavon
• 100 Special Moments
• Homes for Sale
• Every Playboy centerfold

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Problems with image access on the Web

• To find anything on the Web, you must search with
  words!

Small sand-colored African mammal?
Small furry animal with pointy snout and long
tail?
Beige-colored animal with dark eyespots, ears,
and tip of tail?
Cute gopher-like beastie that likes to stand up
and hang out in groups?
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Short-term solution Human computation

• Identifying bugs and birds
• Labeling images ESP Game, Peekaboom

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Where does computer vision come in?
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Visual search

• Linking physical objects to the web Microsoft
  Lincoln project
• Product search Like.com
• Searching personal photo albums Riya.com

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Visual sentiment analysis

• Attractiveness Hot or Not (research project)
  
• Cuteness Cute overload
• Interestingness Flickr

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Exploring photo collections in 3D

• Photo tourismSnavely, Seitz and Szeliski
  (SIGGRAPH 2006)
• Automatic photo pop-upHoiem and Efros (SIGGRAPH
  2005)

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Practical details

• Tuesdays at 330, room SN 115
• Basic format weekly discussion group
• Paper list http//www.cs.unc.edu/lazebnik/fall
  07
• Variable credit talk to me about doing extra
  work!