Tentative Future Courses Fall `11 : Computer Vision – emphasis on recognition Spring `11 : Graduate seminar Fall `12 : Computational Photography.

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Presentation transcript:

Tentative Future Courses Fall `11 : Computer Vision – emphasis on recognition Spring `11 : Graduate seminar Fall `12 : Computational Photography

Recap from Monday What imagery is available on the Internet What different ways can we filter / aggregate / collect that imagery – aggregate statistics – search by keyword

Internet-scale Imagery for Graphics and Vision 2 James Hays cs129 Computational Photography Brown University, Spring 2011

Internet Imagery from visual search

Distance Metrics = Euclidian distance of 5 units = Grayvalue distance of 50 values = ? x y x y

SSD says these are not similar ?

Tiny Images 80 million tiny images: a large dataset for non- parametric object and scene recognition Antonio Torralba, Rob Fergus and William T. Freeman. PAMI 2008.

Human Scene Recognition

Tiny Images Project Page

Powers of 10 Number of images on my hard drive: 10 4 Number of images seen during my first 10 years:10 8 (3 images/second * 60 * 60 * 16 * 365 * 10 = ) Number of images seen by all humanity: ,456,367,669 humans 1 * 60 years * 3 images/second * 60 * 60 * 16 * 365 = 1 from Number of photons in the universe: Number of all 32x32 images: *32*3 ~

Scenes are unique

But not all scenes are so original