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aseema favorited a video
(3 months ago)
Authors: Robert Carroll, Maneesh Agrawala, Aseem Agarwala
Abstract: Any p...
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Authors: Robert Carroll, Maneesh Agrawala, Aseem Agarwala
Abstract: Any projection of a 3D scene into a wide-angle image unavoidably results in distortion. Current projection methods either bend straight lines in the scene, or locally distort the shapes of scene objects. We present a method that minimizes this distortion by adapting the projection to content in the scene, such as salient scene regions and lines, in order to preserve their shape. Our optimization technique computes a spatially-varying projection that respects user-specified constraints while minimizing a set of energy terms that measure wide-angle image distortion. We demonstrate the effectiveness of our approach by showing results on a variety of wide-angle photographs, as well as comparisons to standard projections.
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aseema favorited a video
(3 months ago)
This video demonstrates my new iPhone app, SkinnyCam, which is available...
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This video demonstrates my new iPhone app, SkinnyCam, which is available right now in the iTunes App Store for $0.99. The SkinnyCam app lets you easily slim down (or fatten up!) a region of your photo by just pinching your fingers. They say the camera adds 10 pounds; this app lets you take them back off!
To purchase the app, please visit the App Store here: http://bit.ly/2fAxoW
For more information and examples please visit:
http://skinnycama...
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aseema favorited a video
(4 months ago)
Video for the Graphics Interface 2009 paper, Parallax Photography: Creat...
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Video for the Graphics Interface 2009 paper, Parallax Photography: Creating 3D Cinematic Effects from Stills. The authors are Ke Colin Zheng, Alex Colburn, Aseem Agarwala, Maneesh Agrawala, Brian Curless, David Salesin and Michael Cohen.
See blog article at: http://thekeyidea...
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aseema uploaded a new video
(5 months ago)
This video demonstrates my new iPhone app, SkinnyCam, which is available...
more
This video demonstrates my new iPhone app, SkinnyCam, which is available right now in the iTunes App Store for $0.99. The SkinnyCam app lets you easily slim down (or fatten up!) a region of your photo by just pinching your fingers. They say the camera adds 10 pounds; this app lets you take them back off!
To purchase the app, please visit the App Store here: http://bit.ly/2fAxoW
For more information and examples please visit:
http://skinnycama...
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aseema favorited a video
(6 months ago)
This video describes our research on video stabilization to be presented...
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This video describes our research on video stabilization to be presented at SIGGRAPH 2009.
We describe a technique that transforms a video from a hand-held video camera so that it appears as if it were taken with a directed camera motion. Our method can adjust the video to appear as if it were taken from nearby viewpoints, allowing for 3D camera movements to be simulated. By aiming only for perceptual plausibility, rather than accurate reconstruction, we are able to develop algorithms that can effectively recreate dynamic scenes from a single source video. Our technique first recovers the original 3D camera motion and a sparse set of 3D, static scene points using an off-the-shelf structure-from-motion system. Then, a desired camera path is computed either automatically (e.g., by fitting a linear or quadratic path) or interactively. Finally, our technique performs a least-squares optimization that computes a spatially-varying warp from each input video frame into an output frame. The warp is computed to both follow the sparse displacements suggested by the recovered 3D structure, and avoid deforming the content in the video frame. Our experiments on stabilizing challenging videos of dynamic scenes demonstrate the effectiveness of our technique.
More information at:
http://www.cs.wis...
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