The university's dissemination article is more well written [0]. The original publication is in [1]. The github repo, including weights, is in [2].

[0] https://news.northwestern.edu/stories/2024/10/app-performs-m...

[1] https://dl.acm.org/doi/10.1145/3654777.3676461

[2] https://github.com/SPICExLAB/MobilePoser