AUTHOR=Shu Lun , Barradas Victor R. , Qin Zixuan , Koike Yasuharu TITLE=Facial expression recognition through muscle synergies and estimation of facial keypoint displacements through a skin-musculoskeletal model using facial sEMG signals JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2025.1490919 DOI=10.3389/fbioe.2025.1490919 ISSN=2296-4185