Istituto di Scienza e Tecnologie dell'Informazione     
Baldacci A., Bernabei D., Corsini M., Ganovelli F., Scopigno R. 3D reconstruction for featureless scenes with curvature hints. In: Visual Computer, Springer, [Online First 31 July 2015]
We present a novel interactive framework for improving 3D reconstruction starting from incomplete or noisy results obtained through image-based reconstruction algorithms. The core idea is to enable the user to provide localized hints on the curvature of the surface, which are turned into constraints during an energy minimization reconstruction. To make this task simple, we propose two algorithms. The first is a multi-view segmentation algorithm that allows the user to propagate the foreground selection of one or more images both to all the images of the input set and to the 3D points, to accurately select the part of the scene to be reconstructed. The second is a fast GPU-based algorithm for the reconstruction of smooth surfaces from multiple views, which incorporates the hints provided by the user. We show that our framework can turn a poor-quality reconstruction produced with state of the art image-based reconstruction methods into a high- quality one.
URL: http://link.springer.com/article/10.1007%2Fs00371-015-1144-5
DOI: 10.1007/s00371-015-1144-5
Subject Image-based reconstruction
Image-based modeling
Surface reconstruction
Depth maps fusion
Energy minimization on the GPU
I.4.1 Digitization and Image Capture

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