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Bringing Photographs to Life With View Morphing

Bringing Photographs to Life With View Morphing. Steve Seitz University of Wisconsin—Madison. Images Are Static. Photographs Lack Movement — scene is frozen in time Depth — image is two-dimensional Can we animate the scene via the image?. Objective: Scene Interaction Via Photos.

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Bringing Photographs to Life With View Morphing

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  1. Bringing Photographs to LifeWith View Morphing Steve Seitz University of Wisconsin—Madison

  2. Images Are Static • Photographs Lack • Movement — scene is frozen in time • Depth — image is two-dimensional • Can we animate the scene via the image?

  3. Objective:Scene Interaction Via Photos • Scene Viewing • Move virtual camera, view real scene • Scene Interaction • Move objects — cut and paste • Change objects — paint, sculpt • Animate the scene — make things walk, talk

  4. Adding Movement Original Image Expression Change

  5. Adding Depth Original Image Perspective Change

  6. Talk Outline • Adding Motion and Depth • View Morphing • Applications • Visualization, photo correction, special effects • Interacting With the Scene • Scene editing via photographs

  7. Photograph Photograph

  8. Virtual Camera Morphed View

  9. 1. Prewarp • align views

  10. 1. Prewarp • align views • 2. Morph • move camera

  11. 1. Prewarp • align views • 2. Morph • move camera • 3. Postwarp • point camera

  12. Features of View Morphing • Provides • A mobile virtual camera • Better image morphs • Requires no prior knowledge • No 3D shape information • No camera information • No training on other images

  13. Applications: Visualization • User-controlled Virtual Camera • Telepresence — visit a remote scene • Web commerce — product viewing over Internet • Viewing historical sites • Animating paintings

  14. Applications: Photo Correction • Image Postprocessing • Alter image perspective in the lab • Image Databases • Normalize images for better indexing • Simplify face recognition tasks

  15. Original Photographs Corrected Photographs

  16. Applications: Better Image Transitions • Avoid bending and shearing distortions • Shapes do not need to be aligned Image Morph View Morph

  17. The Next Step:Interacting With the Scene • Scene Editing Via Photographs • Move objects — cut and paste • Change objects — paint, warp Scene Photo Painted Photo Propagation

  18. Original Photo Original Photo

  19. Painted Photo Original Photo Cut Photo Original Photo

  20. Painted Photo Original Photo Cut Photo New Views of Modified Scene

  21. Conclusions • Photographs Come Alive • Motion, depth added by View Morphing • User-Scene Interaction Via Photos • Still images interactive movies • What kinds of scene changes are possible? • Which modes of interaction are natural?

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