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Publication Detail
Dense non-rigid structure from motion
  • Publication Type:
    Conference
  • Authors:
    Russell C, Fayad J, Agapito L
  • Publication date:
    01/12/2012
  • Pagination:
    509, 516
  • Published proceedings:
    Proceedings - 2nd Joint 3DIM/3DPVT Conference: 3D Imaging, Modeling, Processing, Visualization and Transmission, 3DIMPVT 2012
  • ISBN-13:
    9780769548739
  • Status:
    Published
Abstract
This paper shows how current sparse approaches to Non-Rigid Structure From Motion (NRSfM) can be extended to template-free dense reconstruction. Our contribution can be broken down into two components: (i) We provide asymptotic improvements to current optimisation approaches, allowing them to scale to the dense case. (ii) We remove the need to estimate an initial rest shape or a known 3d template. This both increases the robustness of the method, allowing it to be applied to arbitrary sequences, and further decreases the run-time of our approach. Extending the existing techniques of NRSfM to fullyautomatic and dense template-free reconstruction substantially increases the difficulty of the optimisation problems faced, and we provide novel approaches for avoiding local minima in both discrete and continuous sub-problems. © 2012 IEEE.
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