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Real-time 3D reconstruction and pose estimation for human motion analysis

: Graf, Holger; Yoon, Sang Min; Malerczyk, Cornelius


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Signal Processing Society:
17th IEEE International Conference on Image Processing, ICIP 2010 : Hong Kong, 26 - 29. September 2010
Piscataway/NJ: IEEE, 2010
ISBN: 978-1-4244-7994-8 (online)
ISBN: 978-1-4244-7992-4 (print)
ISBN: 978-1-4244-7993-1
ISSN: 1522-4880
International Conference on Image Processing (ICIP) <17, 2010, Hong Kong>
Conference Paper
Fraunhofer IGD ()
content based video analysis; 3D reconstruction; pose estimation; vision-based motion capture

In this paper, we present a markerless 3D motion capture system based on a volume reconstruction technique of non rigid bodies. It depicts a new approach for pose estimation in order to fit an articulated body model into the captured real-time information. We aim at analyzing athlete's movements in real-time within a 3D interactive graphics system. The paper addresses recent trends in vision based analysis and its fusion with 3D interactive computer graphics. Hence, the proposed system presents new methods for the 3D reconstruction of human body parts from calibrated multiple cameras based on voxel carving techniques and a 3D pose estimation methodology using Pseudo-Zernike Moments applied to an articulated human body model. Several algorithms have been designed for the deployment within a GPGPU environment allowing us to calculate several principle process steps from segmentation and reconstruction to volume optimization in real-time.