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CS 1950-G Computational Photography

CS 1950-G Computational Photography. Instructor: James Hays HTA: Patrick Doran UTA: Alex Collins. Today. 1) Introductions 2) Syllabus 3) Why Computational Photography?. A bit about me. James Hays Assistant Professor in Computer Science Recent grad from CMU and recent postdoc at MIT

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CS 1950-G Computational Photography

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  1. CS 1950-G Computational Photography Instructor: James HaysHTA: Patrick DoranUTA: Alex Collins

  2. Today • 1) Introductions • 2) Syllabus • 3) Why Computational Photography?

  3. A bit about me • James Hays • Assistant Professor in Computer ScienceRecent grad from CMU and recent postdoc at MIT • Research • Graphics and vision, especially scene understanding and image manipulation driven by "Internet-scale“ data

  4. Thesis: Large Scale Scene Matching for Graphics and Vision

  5. My Research An Empirical Study of Context in Object Detection

  6. Why ComputationalPhotography? A Brief History of Visual Media

  7. Depicting Our World: The Beginning Prehistoric Painting, Lascaux Cave, France ~ 13,000 -- 15,000 B.C.

  8. Depicting Our World: Middle Ages The Empress Theodora with her court. Ravenna, St. Vitale 6th c.

  9. Nuns in Procession. French ms. ca. 1300. Depicting Our World: Middle Ages

  10. Depicting Our World: Renaissance North Doors (1424) East Doors (1452) Lorenzo Ghiberti (1378-1455)

  11. Depicting Our World: Renaissance Piero della Francesca, The Flagellation (c.1469)

  12. Depicting Our World: Toward Perfection Jan van Eyck, The Arnolfini Marriage (c.1434)

  13. Depicting Our World: Toward Perfection Lens Based Camera Obscura, 1568

  14. Depicting Our World: Perfection! Still Life, Louis Daguerre, 1837

  15. ‘Still photographs are the most powerful weapon in the world.” • Eddie Adams, Pulitzer Prize winning photographer.

  16. Depicting Our World: Ongoing Quest David Hockney Pablo Picasso

  17. Enter Computer Graphics...

  18. 3D geometry projection Simulation physics Traditional Computer Graphics

  19. State of the Art (10 years ago) • Amazingly real • But so sterile, lifeless, futuristic (why?)

  20. The richness of our everyday world Photo by Svetlana Lazebnik

  21. People On the Tube, London From “Final Fantasy”

  22. Faces / Hair From “Final Fantasy” Photo by Joaquin Rosales Gomez

  23. + great creative possibilities + easy to manipulate objects/viewpoint Tremendous expertise and work for realism + instantly realistic + easy to aquire - very hard to manipulate objects/viewpoint Creating Realistic Imagery Computational Photography Computer Graphics Photography Realism Manipulation Ease of capture

  24. Building Rome in a Day Sameer Agarwal, University of Washington Yasutaka Furukawa, University of Washington Noah Snavely, Cornell University Ian Simon, University of Washington Steve Seitz, University of Washington Richard Szeliski, Microsoft Research

  25. Patchmatch

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