CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras

Tang J, Suri S, Ajisafe D, Wandt B, Rhodin H (2024)
In: 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG). New York: IEEE.

Konferenzbeitrag | Veröffentlicht | Englisch
 
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Autor*in
Tang, James; Suri, Shashwat; Ajisafe, Daniel; Wandt, Bastian; Rhodin, HelgeUniBi
Abstract / Bemerkung
It is now possible to estimate 3D human pose from monocular images with off-the-shelf 3D pose estimators. However, many practical applications require fine-grained absolute pose information for which multi-view cues and camera calibration are necessary. Such multi-view recordings are laborious because they require manual calibration, and are expensive when using dedicated hardware. Our goal is full automation, which includes temporal synchronization, as well as intrinsic and extrinsic camera calibration. This is done by using persons in the scene as the calibration objects. Existing methods either address only synchronization or calibration, assume one of the former as input, or have significant limitations. A common limitation is that they only consider single persons, which eases correspondence finding. We attain this generality by partitioning the high-dimensional time and calibration space into a cascade of subspaces and introduce tailored algorithms to optimize each efficiently and robustly. The outcome is an easy-to-use, flexible, and robust motion capture toolbox that we release to enable scientific applications, which we demonstrate on diverse multi-view benchmarks. Project website: https://github.com/tangytoby/CasCalib.
Erscheinungsjahr
2024
Titel des Konferenzbandes
2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG)
Konferenz
18th International Conference on Automatic Face and Gesture Recognition (FG)
Konferenzort
Istanbul, Turkey
Konferenzdatum
2024-05-27 – 2024-05-31
ISBN
979-8-3503-9494-8, 979-8-3503-9495-5
Page URI
https://pub.uni-bielefeld.de/record/2992714

Zitieren

Tang J, Suri S, Ajisafe D, Wandt B, Rhodin H. CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras. In: 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG). New York: IEEE; 2024.
Tang, J., Suri, S., Ajisafe, D., Wandt, B., & Rhodin, H. (2024). CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras. 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG) New York: IEEE. https://doi.org/10.1109/FG59268.2024.10581927
Tang, James, Suri, Shashwat, Ajisafe, Daniel, Wandt, Bastian, and Rhodin, Helge. 2024. “CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras”. In 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG). New York: IEEE.
Tang, J., Suri, S., Ajisafe, D., Wandt, B., and Rhodin, H. (2024). “CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras” in 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG) (New York: IEEE).
Tang, J., et al., 2024. CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras. In 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG). New York: IEEE.
J. Tang, et al., “CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras”, 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG), New York: IEEE, 2024.
Tang, J., Suri, S., Ajisafe, D., Wandt, B., Rhodin, H.: CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras. 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG). IEEE, New York (2024).
Tang, James, Suri, Shashwat, Ajisafe, Daniel, Wandt, Bastian, and Rhodin, Helge. “CasCalib: Cascaded Calibration for Motion Capture from Sparse Unsynchronized Cameras”. 2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG). New York: IEEE, 2024.

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