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Scene flow constrained multi-prior patch-sweeping for real-time upper body 3D reconstruction

: Waizenegger, W.; Feldmann, I.; Schreer, O.; Eisert, P.


IEEE Signal Processing Society; Institute of Electrical and Electronics Engineers -IEEE-:
20th IEEE International Conference on Image Processing, ICIP 2013. Proceedings : 15-18 September 2013, Melbourne, Australia
Piscataway, NJ: IEEE, 2013
ISBN: 978-1-4799-2341-0
International Conference on Image Processing (ICIP) <20, 2013, Melbourne>
Fraunhofer HHI ()

We present a high performance real-time approach for robust 3D structure estimation of human bodies. Our idea extends state of the art high precision patch-sweep techniques by exploiting temporal information. By parameterizing 3D patches in the spatio-temporal domain we gain increased quality and robustness, while the computational complexity decreases drastically. The key to these improvements is the utilization of a global scene flow like prior called spatio-temporal object (STO). The target application of our method reaches from video communication and virtual eye contact scenarios till future digital cinema 3D post-production and real-time person modelling and modification. The result of this work extends a novel 3D scene representation developed in the EC research project SCENE.