Fast Robust Large-scale Mapping from Video and Internet Photo ...

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Figure 8: Several 3D models reconstructed from video sequences. 34
7. Conclusions In this paper we presented methods for the real-time reconstruction from video and the fast reconstruction from Internet photo collections on a single PC. We demonstrated the performance of the methods on a variety of large-scale datasets proving the computational performance of the proposed methods. We achieved this through the consequent parallelization of all computations involved enabling an execution on the graphics card as a highly parallel processor. Additionally, for the modeling from Internet photo collections we also combine constraints from recognition and geometric constraints leading to an orders of magnitude more efficient image registration than any existing system. Acknowledgements:. We would like to acknowledge the DARPA UrbanScape project, NSF Grant IIS-0916829 and other funding from the US government, as well as our collaborators David Nister, Amir Akbarzadeh, Philippos Mordohai, Paul Merrell, Chris Engels, Henrik Stewenius, Brad Talton, Liang Wang, Qingxiong Yang, Ruigang Yang, Greg Welch, Herman Towles, Xiaowei Li. [1] A. Fischer, T. Kolbe, F. Lang, A. Cremers, W. Förstner, L. Plümer, V. Steinhage, Extracting buildings from aerial images using hierarchical aggregation in 2d and 3d, Computer Vision and Image Understanding 72 (2) (1998) 185–203. [2] A. Gruen, X. Wang, Cc-modeler: A topology generator for 3-d city models, ISPRS Journal of Photogrammetry & Remote Sensing 53 (5) (1998) 286–295. 35
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