fullceo.blogg.se - 3d warp stabilizer

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International Journal of Computer Vision 63, 2 (July), 141-151. Image-based rendering using image-based priors.

Fitzgibbon, A., Wexler, Y., and Zisserman, A.

ACM Transactions on Graphics 21, 3 (July), 243-248.

Chuang, Y.-Y., Agarwala, A., Curless, B., Salesin, D.

In Proceedings of ACM SIGGRAPH 2001, Computer Graphics Proceedings, Annual Conference Series, 425-432.

Buehler, C., Bosse, M., McMillan, L., Gortler, S.

In 2001 Conference on Computer Vision and Pattern Recognition (CVPR 2001), 609-614. Nonmetric image-based rendering for video stabilization.

Buehler, C., Bosse, M., and McMillan, L.

Principal warps: Thin-plate splines and the decomposition of deformations. In Rendering Techniques 2007: 18th Eurographics Workshop on Rendering, 327-338. Using photographs to enhance videos of a static scene. L., Snavely, N., Agarwala, A., Agrawala, M., Cohen, M., Curless, B., and Kang, S. In Computer Graphics (Proceedings of SIGGRAPH 92), 35-42. Seam carving for content-aware image resizing. In Proceedings of ACM SIGGRAPH 2000, Computer Graphics Proceedings, Annual Conference Series, 157-164. As-rigid-as-possible shape interpolation.

Alexa, M., Cohen-Or, D., and Levin, D.

Our experiments on stabilizing challenging videos of dynamic scenes demonstrate the effectiveness of our technique. 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. Finally, our technique performs a least-squares optimization that computes a spatially-varying warp from each input video frame into an output frame. Then, a desired camera path is computed either automatically (e.g., by fitting a linear or quadratic path) or interactively. 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. 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 method adjusts the video to appear as if it were taken from nearby viewpoints, allowing 3D camera movements to be simulated. 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.