[84] Weichen Zhang, Zhiguang Liu, Liuyang Zhou, Howard Le-
ung, and Antoni B. Chan. Martial arts, dancing and sports
dataset: a challenging stereo and multi-view dataset for 3D
human pose estimation. Image and Vision Computing, 61:
22–39, 2017.

[64] Priyanka Patel, Chun-Hao P. Huang,

Joachim Tesch,
David T. Hoffmann, Shashank Tripathi, and Michael J.
Black. AGORA: Avatars in geography optimized for regres-
sion analysis. In CVPR, 2021.

[65] Georgios Pavlakos, Vasileios Choutas, Nima Ghorbani,
Timo Bolkart, Ahmed A. A. Osman, Dimitrios Tzionas, and
Michael J. Black. Expressive body capture: 3D hands, face,
and body from a single image. In CVPR, 2019.

[66] Karl Pearson. On lines and planes of closest ﬁt to systems of
points in space. Lond. Edinb. Dublin philos. mag. j. sci., 2
(11):559–572, 1901.

[67] Albert Pumarola, Jordi Sanchez, Gary Choi, Alberto Sanfe-
liu, and Francesc Moreno-Noguer. 3DPeople: Modeling the
geometry of dressed humans. In ICCV, 2019.
Learning 3D Human Pose Estimation from Dozens of Datasets using a Geometry-Aware Autoencoder to Bridge Between Skeleton Formats