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Extracting spatial knowledge from track and field broadcasts for monocular 3D human pose estimation

Tobias Baumgartner; Benjamin Paaßen; Stefanie Klatt
In: nature scientific reports (Sci Rep), Vol. 13, No. 14031, Pages 1-11, Springer nature, 2023.


Collecting large datasets for investigations into human locomotion is an expensive and labor-intensive process. Methods for 3D human pose estimation in the wild are becoming increasingly accurate and could soon be sufficient to assist with the collection of datasets for analysis into running kinematics from TV broadcast data. In the domain of biomechanical research, small differences in 3D angles play an important role. More precisely, the error margins of the data collection process need to be smaller than the expected variation between athletes. In this work, we propose a method to infer the global geometry of track and field stadium recordings using lane demarcations. By projecting estimated 3D skeletons back into the image using this global geometry, we show that current state-of-the-art 3D human pose estimation methods are not (yet) accurate enough to be used in kinematics research.


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