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Fast and Accurate Refinement Method for 3D Reconstruction from Stereo Spherical Images

Kim, H, Solony, M, Imre, E, Ila, V, Polok, L and Zemcik, P (2015) Fast and Accurate Refinement Method for 3D Reconstruction from Stereo Spherical Images In: VISAPP, 2015-03-11 - ?, Berlin, Germany.

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Realistic 3D models of the environment are beneficial in many fields, from natural or man-made structure inspection and volumetric analysis, to movie-making, in particular, special effects integration to natural scenes. Spherical cameras are becoming popular in environment modelling because they capture the full surrounding scene visible from the camera location as a consistent seamless image at once. In this paper, we propose a novel pipeline to obtain fast and accurate 3D reconstructions from spherical images. In order to have a better estimation of the structure, the system integrates a joint camera pose and structure refinement step. This strategy proves to be much faster, yet equally accurate, when compared to the conventional method, registration of a dense point cloud via iterative closest point (ICP). Both methods require an initial estimate for successful convergence. The initial positions of the 3D points are obtained from stereo processing of pair of spherical images with known baseline. The initial positions of the cameras are obtained from a robust widebaseline matching procedure. The performance and accuracy of the 3D reconstruction pipeline is analysed through extensive tests on several indoor and outdoor datasets.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
Date : 14 March 2015
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:37
Last Modified : 17 May 2017 15:12

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