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Persistent homology for 3D reconstruction evaluation

Gutierrez, Antonio and Monaghan, David and Jiménez, Maria Jose and O'Connor, Noel E. (2012) Persistent homology for 3D reconstruction evaluation. In: CTIC 2012 - 4th International Workshop on Computational Topology in Image Context, 28-30 May 2012, Bertinoro, Italy.

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Space or voxel carving is a non-invasive technique that is used to produce a 3D volume and can be used in particular for the reconstruction of a 3D human model from images captured from a set of cameras placed around the subject. In [1], the authors present a technique to quantitatively evaluate spatially carved volumetric representations of humans using a synthetic dataset of typical sports motion in a tennis court scenario, with regard to the number of cameras used. In this paper, we compute persistent homology over the sequence of chain complexes obtained from the 3D outcomes with increasing number of cameras. This allows us to analyze the topological evolution of the reconstruction process, something which as far as we are aware has not been investigated to date.

Item Type:Conference or Workshop Item (Paper)
Event Type:Workshop
Uncontrolled Keywords:voxel carving; volume reconstruction; persistent homology; evaluation
Computer Science > Algorithms
DCU Faculties and Centres:Research Initiatives and Centres > Centre for Digital Video Processing (CDVP)
Research Initiatives and Centres > CLARITY: The Centre for Sensor Web Technologies
ID Code:17904
Deposited On:28 Mar 2013 14:08 by David Monaghan. Last Modified 12 Dec 2016 11:22

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